Archive: 2023年 7月 31日

CONNECTOR

I-PEX EVAFLEX® 5/0.5mm Pitch FPC/FFC with ground PIN, high temperature resistant connector

7 月 31, 2023 通过 admin 0 评论 ,

One of the easiest connectors to handle in many of our I-PEX connector series is the FPC / FFC connector. The EVAFLEX® 5-SE-G VT and EVAFLEX® 5-SE-G HT connectors (VT = Vertical Type, HT = Horizontal Type) feature:

●Auto-locking mechanism

●Applicable for high temperature environments

●Compatible with common FPC/FFC connectors

●Grounding function, shielded FPC/FFC applicable

1.Automatic Locking Design – Ideal Choice for Manual or Robotic Assembly After being installed on the PCB, achieving a one-step mating by inserting and locking the FPC/FFC connector, which enhances usability, productivity, and contributes to factory automation.

 (When removing the FFC/FPC connector, simply press the lock button for easy single-handed operation.)

The mechanical lock securely latches onto the recess of the FPC/FFC reinforcement plate, allowing for vibration and wiring, aiding in achieving a strong connection.

When the connector is locked, real-time tactile feedback through a clicking sound reduces instances of improper mating.

Unlike traditional FPC/FFC connectors, this connector does not require opening and closing of a piano hinge during use, thereby improving assembly efficiency and reducing the risk of lock damage.

Furthermore, due to the soaring labor costs, labor shortages, reduction in assembly costs, and decrease in defect risks, manufacturing automation will accelerate. Meanwhile, the operation of robotically inserting connectors is also increasingly expanding. I-PEX has developed a fixture capable of grasping cables for robots, continuing its efforts towards automation.

2.125 ° C heat resistance, impact resistance and vibration-test evaluation under strict environmental conditions of various vehicle equipment

Evaluate under strict test conditions, such as temperature cycle test, heat test, vibration test and impact test.

3. GM -designed FPC/FFC -it can help improve the design and assembly of the end of the board

These connectors have a general design that allows selection horizontal or vertical chimeric directions in common FPC/FFC design. Because the chimeric direction can be changed without changing the FPC/FFC, the module can be applied to a wider range of equipment.

 4. Grounding function, you can choose shielded FPC/FFC

To achieve stable signal transmission by grounding function, shielding FPC/FFC can prevent electromagnetic interference of other components and equipment.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

i-Fit® Technology / MHF® Micro RF Coaxial Connectors

7 月 31, 2023 通过 admin 0 评论 ,

i-Fit® is a unique solderless terminating technology used in the I-PEX micro RF coaxial connector (MHF®) series. The solderless production process helps to stabilize the electrical characteristics of the RF jumper harness. In addition, it makes the mechanization of the RF connector jumper harness production relatively easy, resulting in increased efficiency and high productivity. This connector is used to connect antenna modules for many communication devices such as notebook PCs, tablets, mobile phones and routers.

Structure of MHF® connector and RF coaxial cable

When transmitting antenna signals using an RF coaxial cable connector harness, the RF coaxial cable center conductor must be electrically connected to the signal contact of the receptacle which is mounted to the PCB via the plug signal contact. Using i-Fit® technology, the MHF® connector conducts the RF signal by sandwiching the RF coaxial cable center conductor with the plug contact spring. Also, the plug metal ground shell firmly crimps the outer conductor and the jacket of the RF coaxial cable and electrically connects the ground, while providing adequate cable retention force without soldering.

Features of MHF® connector jumper harness

●Stable electrical characteristics

By connecting the center conductor of the RF coaxial cable with a press-formed contact spring, it is possible to suppress variations in the internal shape of the connection and achieve excellent uniformity of electrical characteristics.

On the other hand, the solder connection solidified shape is affected by changes in many environmental conditions such as: soldering method, operator, solder material, amount of solder applied, temperature of solder and process speed. In general, it is difficult to maintain the uniformity of the electrical properties of a product compared to the connection method using contact springs, and it is more likely that the performance will vary from product to product.

Using i-Fit® technology, the variation of VSRW results of I-PEX MHF® is concentrated in a narrow range compared to the equivalent solder connection type RF connector and has excellent uniformity of electrical performance for each product.

●High productivity

The mechanization of the I-PEX MHF® connector RF jumper harness production process is relatively easy as it does not require a soldering process to terminate the cable, resulting in increased efficiency and high productivity.

●Industry adoption and high availability

The MHF® series connector has had shipments in excess of 2 billion units, and a large amount of RF harnesses and antennas with MHF® connectors are now on the market. In addition, I-PEX i-Fit® technology has enabled antenna and harness makers to have the ability to terminate MHF® products in local production facilities. With over 1,000 termination machines in the field, more than 100 customers produce MHF® harnesses and antennas ensuring quality when using genuine MHF® components. Therefore, I-PEX MHF® can be supported and supplied in many countries and regions through these sales networks to meet various needs.

RF Jumper harness termination process example using MHF® connector

●Prepare three-step striped RF coaxial cable

1,After cutting the RF coaxial cable to the required length, the RF coaxial cable is processed (three-step stripping) for the MHF® plug connector termination.

2,Then, setting the cable size and stripped dimensions in advance, insert the RF coaxial cable into the rotating blade.

3,The blades rotate and the cable will be striped in three steps.

●RF coaxial cable termination process example

Set the three-step stripped RF coaxial cable on the pre-assembled MHF® plug and close the contact spring together with the plug ground shell. The center conductor and the signal will be electrically connected when the contact spring sandwiches the center conductor of the RF coaxial cable.

Connect the cable outer conductor and the plug shell electrically by bending and closing the nails of the shell. Properly crimping the nails to the outer conductor and the jacket of cable will prevent the cable from slipping and will provide adequate cable retention force without soldering.

I-PEX Micro RF Coaxial Connector Jumper Harness (MHF® Harness) Product

I-PEX sells completed MHF® harnesses in multiple configurations MHF-to-MHF, blunt cut, strip and tinned. Other value-added options include orientation in 90-degree increments, jacket cut-outs or windows for grounding, adding MP-A clamps or a secondary process at the customer’s facility.

I-PEX specializes and leads in high-speed automated MHF® harness production. Using custom Fully Automated Machines (FAM), I-PEX FAMs will cut, strip, crimp, check orientation, and perform mechanical and electrical checks. Completing tens of thousands of harnesses per day, I-PEX MHF® automated equipment have unparalleled Defects Per Million Opportunities (DPMO) of less than 1.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

What is 5G?

7 月 30, 2023 通过 admin 0 评论 ,

The standard of the mobile communication system is changed every 10 years, and the 5th generation standard is 5G (the 5th generation mobile communication system). 5G has more functions than 4G, which will help to realize the Internet of Things, all of which can be connected through the Internet。

5G requirements

According to the “IMT VISION (M.2083)” published by ITU (ITU), it is recommended that the enhanced mobile broadband, super reliable, low -delayed communication, and large -scale machine -type communications will be enhanced as a typical use scenario of 5G.

1. Enhanced mobile broadband

The final requirement of 5G is that the maximum communication speed of the downlink link is about 20 GBPS, and the maximum communication speed of the uplink link is about 10 GBPS. The maximum communication speed of 4G is about 1Gbps, and hundreds of Mbps, so the standard communication speed of 5G is 10 times that of 4G.

2. Ultra -reliable low delay communication (MEC: Multi -access edge computing technology)

According to 5G requirements, the transmission delay is about 1 millisecond. This is expected to decrease by about 1/10 than the 4G transmission delay.

3. Massive machine type communication

With 5G, it is expected that about 1,000,000 terminals can be connected at the same time at the same time. 4G can connect about 100,000 terminals at the same time at the same time, so compared with 4G, 5G can connect about 10 times at the same time.

5G frequency (carrier)

In order to help enhance the mobile broadband as one of the 5G features, the broadband band must be ensured. Therefore, the focus is on the high frequency band called MMWave, which is different from the low -frequency band used in 4G so far.

1.Sub6

The frequency band has been used from 0.41 GHz ~ 7.125 GHz, and it has been used before 4G.

2.mmwave (less than 1cm)

24.25 GHz ~ 52.60 GHz’s high frequency band will be used as a new application in 5G.

With the emergence of 5G, the frequency used in mobile communication has changed significantly. 5G connectors not only need to support the current SUB6 frequency band, but also to support MMWAVE. The excellent transmission characteristics and excellent shielding performance are indispensable. A good shielding design helps reduce EMI and improve the overall EMC performance of the device.

I-PEX supports extensive 5G products, such as smartphones, laptops, mobile hotspots, XR devices and CPEs, with RF connectors and board panel connectors that support 5G use in 5G and SUB6 frequency bands.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

EVAFLEX® 5-HD / Full shielding, automatic locking mechanism FFC / FPC connector

7 月 30, 2023 通过 admin 0 评论 ,

Full shielding, high -speed data transmission, automatic lock, horizontal plug, 0.5 mm spacing shielded FFC/FPC connector

Product Size

Low height full shield FFC /FPC connector

Automatic lock

The design of the automatic lock is easy to operate, suitable for manual or machine robot assembly

High -performance EMC shielding design

I-PEX has developed a connector series that solves the problem of electromagnetic noise in the connector. It has a suitable ground structure and coverage layer, including the installation position of the signal terminal with metal shielding (Zenshield®) Essence This solution is widely adopted by many customers to prevent electromagnetic interference, especially on high-performance devices equipped with Wi-Fi, GPS, LTE and other wireless communication functions.

The 360 -degree EMC shielding design can not only prevent electromagnetic noise radiation from the contact point of the public and mother seats, but also prevent electromagnetic noise radiation from the lineboard installation part (SMT position) from the signal terminal. In addition, when the connector is cocks and correctly ground to the line board, the public seat and the mother seat shielding cover is correctly connected to multi -point ground. This ensures that the current generated in the metal shield of the connector has sufficient ground return path. This is to suppress the electromagnetic noise of the shielding layer.

●The entire connector is blocked by 360 degrees, including the public seat and the mother seat

●The shield-shielding interface between FPC/FFC and the mother seat is effectively connected on multiple points.

●The interface of the connecter shield-line board is effectively grounded at multiple points, thereby improving the ground return path.

With these design characteristics, the connector itself provides a significant EMI relief. Zenshield® provides engineers with greater flexibility to design lineboards. It makes the connector closer to the sensitive subsystem, such as launch/receiving antenna, which is a common high -performance wireless communication system.

High -performance EMC shielding design FPC/FFC connector

The I-PEX Zensheild® connector series provides a variety of electromagnetic interference shielding FPC/FFC connectors to meet various applications and design conditions.

EVAFLEX® 5-HD (0.5 mm Pitch FPC/FFC connector, with automatic lock function)

Cabline®-VS IIF (0.5 mm Pitch FPC/FFC connector, with mechanical lock function)

Cabline®-CA IIF (0.4 mm Pitch FPC/FFC connector, with mechanical lock function)

Novastack® 35-HDP (0.35 mm Pitch board panel (FPC) connector (FPC) connector, with power terminal)

Novastack® 35-HDN (0.35 mm Pitch board panel (FPC) connector, saving space)

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

Introduction and Applications of ERNI iBridge Ultra Series Connectors

7 月 29, 2023 通过 admin 0 评论 ,

The iBridge Ultra connector family offers extensive Cable-to-Board solutions. It is designed for applications which need reliable and robust connection systems. A TPA (Terminal Position Assurance) retainer serves as a secondary lock for the female contact in the housing. The secondary lock makes the connections particularly resistant against strong vibrations, such as those that occur in an automotive application. iBridge Ultra is not limited to automotive and is a great choice for applications in industrial automation, telecommunications and healthcare.

iBridge Ultra’s compact design supports all applications between control units and local components such as sensors, motors, switches, fans, heating elements, fuses or LEDs.

The connectors from the iBridge Ultra family provide solutions for Cable-to-Board applications. Especially in sensitive systems that require secure and robust connections. They are specifically tailored to the high requirements of the automotive applications. A Terminal Position Assurance inside the housing offers a high level of resistance against strong vibrations. The iBridge Ultra connectors can be used in a large range of temperatures.

A polarity reversal protection plug design prevents errors during installation. At 20 °C, the individual contacts can carry currents of 8 amps. A pitch of just two millimeters ensures a compact plug design and the universal usability at almost any location in the vehicle. For minimum light absorption in LED applications, the housings are natural colors.

The ERNI iBridge Ultra connectors are characterized in particular by their secure hold, their vibration resistance and their excellent ampacity. They are perfect for use in vehicles and for other challenging applications.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

ERNI MicroStac series connectors provide economical connections for high-current loads

7 月 29, 2023 通过 admin 0 评论 ,

With the hermaphroditic MicroStac connectors, the plug and mating plug are identical. The connectors are available in single-row and double-row variants. They offer economical solutions for connectors with high current rating and low connecting frequency. A secure mating of 1.5 millimeters and the high contact force ensure reliability. MicroStac connectors are suitable for fully automatic SMT loading and available for board-to-board heights of three or five millimeters.

The focus segment of MicroStac connectors is industrial automation. The connectors offer ideal solutions everywhere that economical connections of mating modules with low connecting frequency are called for. Stacked PCBs of various board-to-board spacings can be implemented. The connectors are used, for example, in controls, in drives and in robotics.

Further application possibilities are industrial communication and networking. Tape and reel packaging and integrated suction surfaces ensure economical processing. They allow the fully automatic loading and processing in modern assembly lines with reflow soldering method. Thanks to their reliability and good current carrying capacity, the products are also suitable for demanding applications in measurement technology, medicine and data transmission.

MicroStac connectors are ideally suited for use in cost-sensitive applications, thanks to their hermaphroditic design and small footprint. They can be processed fully automatically and reduce both inventory and manufacturing costs.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

PCI Express: Is 85 Ohms Really Needed?

7 月 28, 2023 通过 admin 0 评论 ,

Just adding my opinions on this subject based on 20 years of SI work.

100 Ohms was usually a target impedance for most differential signaling (PCIX, SAS, SATA, and a bunch of others.) It made sense to have 2 50-Ohm traces (50 was a good round number for most VNAs, too.

I believe Intel came up with the 85 Ohms target (about 20 years ago) for 2 main reasons.

1. 100 Ohms was had to achieve on PCBs at that time since trace widths were greater than 6 mils usually. To get to 100 Ohms, we used to have to void GND planes under traces to use a secondary GND further away.

2. If you built a receiver with 2 50-Ohm resistors in series (to get your 100 Ohms), you would usually have at least 5 to 10 picoFarads of die capacitance in parallel to each 50 Ohm resistance, which would look closer to 37 to 38 Ohms at the rise times of the new Gbps signals. So, they figured that 85 Ohms would be a better match to the traces.

So, 85 Ohms became the PCIe standard – but it is not that relevant today with smaller die capacitances and 3 mil traces.

As the article states, the loss at 85 Ohms is usually greater than the loss at 100 Ohms for the PCB too, not just the cabling. But that has changed with low-loss dielectrics they didn’t have in 2000 for most commercial PCBs. Yeah, there were exotic materials (Teflon), but only special needs for microwave and military applications could afford to use them.

Add to that HVM (High Volume Manufacturing) of traces on PCBs have historically produced tighter tolerances for 85 rather than 100 Ohms, and sometimes it is better to be consistent (match those impedances) in your design than to achieve an ideal value.

93 Ohms comes about because connectors are difficult to design to get down to 85 Ohms, a mid-target of 93 also allows the connector to be dual-purpose for both 85 and 100 Ohm systems, reducing the cost of making 2 different versions.

It is tempting to select cable impedance to match what is used on the PCB. However there are a couple of anecdotal considerations. First, higher frequency reflections are a greater function of the mating connector impedance than the PCB itself. If an incoming signal experiences an increase from 85 on PCB up to 93 ohms for a given connector, it is best to remain at 93 ohm and not create new reflections by following it with a decrease to 85 ohm cable

Secondly, the relationship between impedance and loss is inverse of the PCB relationship. That is, higher impedance cable has less insertion loss whereas higher impedance PCB would otherwise be more loss. The loss difference between 85 and 100 ohms is as much as 14%, and is explained in the actual geometry of the twinax. This is the experience for Samtec twinax eyespeed cable and may not be the experience for all cable suppliers. 

Ultimately, cable impedance choice depends on the priorities for your system. If insertion loss is the greatest constraint, then 93 or 100 ohm cable is the best choice. 

CONNECTOR

IDC or Crimp? May The Best Connector Win.

7 月 28, 2023 通过 admin 0 评论 ,

IDC or Crimp? When discussing options for cable assemblies, designers frequently ask if we recommend discrete wire cable assemblies with crimped contacts or insulation displacement connectors (IDC) with ribbon cable. Our answer is it depends on your application. Crimped connectors and IDC are both reliable connector systems and each has its own list of advantages and disadvantages.

“An insulation-displacement contact (IDC), also known as insulation-piercing contact (IPC), is an electrical connector designed to be connected to the conductor(s) of an insulated cable by a connection process which forces a selectively sharpened blade or blades through the insulation, bypassing the need to strip the conductors of insulation before connecting. When properly made, the connector blade cold-welds to the conductor, making a theoretically reliable gas-tight connection.”

DC cable assemblies are available on 1.27 mm pitch, 2.00 mm pitch, and 2.54 mm pitch. Most are double-row connectors, but a few are single row.

“Crimped connectors are a type of solderless connection, using mechanical friction and uniform deformation to secure a connector to a pre-stripped wire (usually stranded). Crimping is used in splice connectors, crimped multipin plugs and sockets, and crimped coaxial connectors. Crimping usually requires a specialised crimping tool …”

Discrete wire connectors come in a variety of centerlines, sizes, shapes, and wiring configurations.

Insulation Displacement Connectors (IDC)

IDC’s are quicker, and therefore less expensive, to manufacture. Literally dozens wires and contacts can be terminated at one time.

The insulation on the wires does not have to be stripped prior to termination, or soldered, or individually crimped. This saves a lot of time and therefore money.

Most IDC’s can be terminated by a basic hand press or other simple tool.  For that matter, generally, much lower forces are required to terminate the ribbon cable to the IDC contacts.

IDC has been around since the 1950’s and is an accepted connector design. It’s so accepted that connector companies offer a large variety of design and manufacturing options. They are available in a variety of wire gauges, pin sizes and centerlines. Mating connectors for the IDC cable assembly incorporate options to increase the ruggedness of the assembly with features like locking clips, ejection latches, strain relief, and polarization, to name just a few.

Assuming you are purchasing your components from a reputable connector supplier (like Samtec!), IDC’s are gas-tight and vibration-proof because of the quality of the design and manufacture of the contacts and plastic insulators which house them.

In the assembly process the metal blades penetrate any surface oxides on the wire.

In our opinion one of the biggest disadvantages of ribbon cable and IDC is the cable is relatively inflexible and stiff, and the cable pretty much has to travel from one point of termination to another in a relatively straight line, or with minimal bends and angles.

Crimped Connectors (Discrete Wire)

Because cable assemblies with crimped connectors almost always incorporate discrete (individual) wires and not ribbon cable, these crimp cable assemblies can fit into some tight areas that ribbon cable can’t. They can bend, angle, and flex into some tight bends and small nooks and crannies. As mentioned previously, IDC cable assemblies pretty much have to go straight ahead and can’t bend. 

Discrete wire assemblies can break-out from a higher pin count connector to several smaller position connectors. You can also do this with IDC, but you have more flexibility and options with crimped connectors.

We frequently pull pins between — in other words, selectively populate — the plastic insulator to meet creepage and clearance requirements.

Like IDC, crimped contact systems are available in a large variety of design and manufacturing options:  a variety of wire gauges, pin sizes, centerlines, latches, and options to increase the ruggedness of the system.

The biggest disadvantage is cost, primarily in assembly and manufacturing time, and tooling and assembly can be more complex.

I’m sure if I thought longer I would come up with more differences between these two systems, but I think we’ve covered the main points.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

5G connector to help 5G communication realize vision

7 月 27, 2023 通过 admin 0 评论 ,

In 2019, 5G communication began commercial deployment globally. So, what led us to have made such a revolutionary transformation in the field of communication? The smooth realization of 5G communication is inseparable from 5G chip manufacturers, OEM manufacturers, communication agreement standard formulation agencies, and many companies. 5G communication has gone from scientific research to formal commercial use. Along the way, I also experienced many failures, and finally successfully achieved commercial use, so as to change the world.

The connector is usually an electronic component that is easily overlooked. The connector does not play the core function like the LTE or WiFi transceiver, but it is indeed an important basic component. The connector assumes the signal transmission function. In this process, the minimum implementation of the attenuation and distortion in transmission is our ideal.

From the Wi-Fi, which is ubiquitous in the Moson password and telegram, to the honeycomb communication, and the ubiquitous Wi-Fi in our daily life, the connector plays a very important role in communication. In recent years, the connectors in the consumer electronics field have always focused on a theme such as miniaturization, trying to solve complexity and various problems.

Among the connector products developed by I-PEX, from the MHF®i to the MHF®5 series of microbenic coaxial connectors, from the perspective of size, the area and chimeric height have steadily decreased. Features, such as: Bobby and insertion losses have improved to some extent. However, with the requirements of new technologies for connectors, this model has become unreasonable. 5G communication requires us to do more than before.

At the same time of 5G communication requirements, the connector needs to improve the S parameter (resident wave ratio and insertion loss), and it is also necessary to increase the shielding effect of the connector and wiring beam in the chimeric state. Only in this way can we reduce electromagnetic interference and improve the electromagnetic compatibility performance of the whole machine.

The II-PEX company is a pioneer for developing and producing 5G millimeter waves and Sub 6GHz with coaxial types and board-to-board connectors. The product has also been applied to early 5G communication devices. These devices include: smartphones, laptops, mobile hotspots, AR/VR, and wireless access devices in fixed positions.

Novastack® 35-HDN connector

The NOVASTACK 35-HDN series connector is the best choice for electronic products with high space restrictions such as smartphones and hotspots, which can transmit a 15GHz band of the mid-frequency IF from millimeter wave frequency. The product spacing is 0.35mm and a chimeric height of 0.7mm is a super small design, which enables R & D engineers to flexibly cloth and maximize the use of space. The application of patented technology-360-degree shielding can cut electromagnetic interference to the greatest extent after the connector is chimp. Due to the restrictions of the overall space, such as smartphones, mobile hotspots, miniaturization and excellent shielding, are a huge challenge for R & D engineers.

MHF® 7s connector

The MHF 7S series polar shaft connector reflects the huge breakthrough of stamping technology in the production of miniaturized connectors. The MHF 7S series connectors redefine the boundary line that can be done, and is in the leading position of anti -electromagnetic interference. Revolutionary design can eliminate the main sources of electromagnetic interference. As electronic products are full of numerous radio frequency signals, this design can effectively reduce interference, thereby helping manufacturers can successfully pass electromagnetic radiation testing. In addition to reducing electromagnetic interference, the MHF 7S series connector is 1.5mAX at 15GHz, the packaging size is 2.0mmX2.0mm, and the chimeric height is 1.4mm. This connector is superior to the electromagnetic interference performance. It is an ideal choice for the ground frequency band (15GHz) transmission equipment, including: small base stations, laptops, wireless access devices, CPE, etc.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.

CONNECTOR

EMC Shielding Connectors

7 月 27, 2023 通过 admin 0 评论 ,
  1. PEX manufacturers connectors for a wide variety of equipment applications. We will discuss our “EMC Shielding Connectors” in this webinar.

When electromagnetic noise generated inside or outside the device interfere with the circuit inside the electronic device, creating (noise, unnecessary current may be induced to the circuits in the devices causing a malfunction or damage to high-performance electronic components which may also lead to  device failure. Therefore, effective countermeasures against electromagnetic noise must be taken, especially in high-performance compact electronic equipment with high-density electronic components.
There are two types of interference-conduction paths for electromagnetic noise: “Conducted Interference” and “Radiated Interference”.

For conducted interference electromagnetic noise, which is transmitted through conductors such as cables and board traces in equipment, the interference noise can be isolated and adjusted by incorporating electromagnetic noise filter components into the circuit appropriately. 

On the other hand, for radiated interference electromagnetic noise, in which electromagnetic waves are radiated as noise into a space and conducted to another circuit, it is necessary to take measures to block noise conduction in the air by using shielding. 

However, if the board circuitry, including the internal connectors that connect modules, is covered with shields, it may be difficult to unmate the connectors when necessary, for example, when repairing equipment . In this case, the use of a high-performance EMC connector, which prevents electromagnetic noise in the connector itself, can provide EMC countermeasures for the connector part without sacrificing the connector mating/unmating function.

ZenShield® Connectors

ZenShield® , I-PEX’s high-performance EMC shielding connector series, offers various types of EMC shielding connectors for different applications, including micro-coaxial,  micro RF , board-to-board FPC , and FPC/FFC connectors.

The ZenShield® connector series provides 360-degree EMC shielding to prevent electromagnetic noise radiation not only from the contact points of the plug and receptacle, but also from the board mounting part (SMT positions) of the signal terminals. In addition, the shields of both the plug and receptacle are properly grounded at multiple points when the connectors are mated, and are also properly grounded at multiple points on the board. This design protects the signal in the connector from external electromagnetic noise and prevents the signal in the connector from radiating electromagnetic noise to the outside. This unique shielding design provides the I-PEX ZenShield® connector series with excellent EMC countermeasures. 

The effect of the EMC shielding is shown more clearly in this electromagnetic interference (EMI) simulation, comparing a general connector with a ZenShield® EMC shielding connector. The left figure shows a cross-sectional view of a general, partially-shielded micro-coaxial connector, and the right figure shows a ZenShield® EMC shielding connector, CABLINE®-CA II.

The leakage from the signals is displayed in light blue.
In the general connector, on the left, leakage from the signals emanates out from the connector through the contact tail areas. In the ZenShield® EMC shielding connector, on the right, the radiation from the signal pin is restricted to the area within the connector and its shield. Outside of the connector, there is almost no light blue emissions.

Because the connector itself can significantly reduce EMI due to this design, ZenShield® allows for a flexible board design, such as placing the connector close to the antenna, especially in high-performance electronic equipment with wireless communication functions that are required to address intra-system EMC issues.

With these design features, the connector itself provides significant mitigation of EMI. ZenShield® gives board designers more flexibility for designing the board by allowing the connectors to be placed in close proximity to sensitive subsystems, such as transmit/receive antennas, that are commonly found in high-performance wireless communication systems.

Product Sales Overview on the JunctionX Platform:

JunctionX specializes in the professional production, distribution, and sales of connectors/authentic substitute connectors, wire harnesses, cable products, and customized injection-molded parts, stamping parts. If you want to purchase or learn more about product solutions, please feel free to contact us through the following methods.