WR-50SB-VFH05-N1 vs ERM8-020-05.0-L-DV-TR
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| Category | Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) | Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) |
| Manufacturer | JAE Electronics | Samtec Inc. |
| Description | CONN RECEPT 0.5MM 50POS SMD | .8MM EDGE RATE TERMINAL ASSEMBLY |
| Package | - | - |
| Series | WR | Edge Rate? ERM8 |
| Features | Board Guide | Board Guide |
| Mounting Type | Surface Mount | Surface Mount |
| Contact Finish | Gold | Gold |
| Number of Positions | 50 | 40 |
| Pitch | 0.020" (0.50mm) | 0.031" (0.80mm) |
| Height Above Board | 0.148" (3.75mm) | 0.351" (8.91mm) |
| Connector Type | Receptacle, Center Strip Contacts | Header, Outer Shroud Contacts |
| Contact Finish Thickness | 3.9µin (0.10µm) | 10µin (0.25µm) |
| Number of Rows | 2 | 2 |
| Mated Stacking Heights | 4.5mm, 5.5mm, 6.5mm | 10mm, 12mm, 15mm |
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1. What is a rectangular connector?
A rectangular connector is a connector with a basically rectangular shape and a basically rectangular mating surface. It is also an important category in the connector family. There are many varieties and specifications, and it is also widely used. It should be pointed out that the classification of rectangular connectors and printed circuit board connectors, strip connectors, and ribbon cable connectors is sometimes not strictly defined. For the same type of connector, some manufacturers classify it as a rectangular connector (approximately rectangular in shape), some as a printed circuit board connector (used in printed circuits), some as a strip connector (approximately long in shape), and some as a ribbon cable connector (connected with a ribbon cable). It is widely used in indoor cable connections, internal connections of equipment, and occasions where multiple rows of assembly are required.
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2. Operation Guide for Rectangular Connectors?
1. To ensure reliable connection of the product, ensure that the connector is properly plugged in during use. Do not forcefully insert if any abnormality is found during insertion.
2. Connectors that are not fully inserted or not locked cannot be powered on.
3. The derating of the main technical parameters of the product (see the rectangular connector product sample manual) should be clarified according to different application conditions to improve the reliability of use.
4. The rectangular electrical connector is a short-shell connector that does not have the function of preventing oblique insertion. When inserting, the direction should be aligned first and then pushed in slowly, because it takes time for the twist needle to automatically find the correct position. It is recommended to observe with your eyes when plugging or separating the connector, operate carefully, prevent the product from being excessively deflected, and try not to use the left and right shaking method to pull it out. In particular, excessive deflection at the moment of plugging or separating should be avoided, otherwise it may cause damage to the pins, sockets, shells and other parts.
5. During use, the root of the cable should be avoided from being stressed to prevent the cable from coming out or breaking.
6. For sealed rectangular electrical connector products supported by glass insulators, the welding terminals should not be moved arbitrarily during welding, and they should not be shaken left and right when unplugged. Also, be careful to handle with care.
7. For applications where plugging and unplugging are frequent, converters, transfer cables or anti-slant plug connectors can be used when necessary.
8. For connectors that require soldering, damage to the connector due to excessive soldering iron temperature or long soldering time should be avoided.
9. The connector should be plugged in or dust-proof when placed.
10. The accessories of the connector should be installed with matching installation tools to avoid excessive torque damaging the screws or nuts. When the installation accessories need to be prevented from loosening, it is recommended to take necessary measures to prevent loosening (such as adding elastic washers, etc.). -
3. What are the types of rectangular connectors?
1. Pin-type rectangular connector: This is the most common type of rectangular connector. The metal pin is inserted into the interface hole and rotated to tighten to achieve conductive connection.
2. Snap-on rectangular connector: It is fixed with self-locking mechanisms such as spring sheets or clips, and is suitable for use in vibration environments.
3. SMD rectangular connector (SMT type): It is suitable for use in surface mount technology (SMT), which is convenient and fast.
4. Board-to-board rectangular connector: Mainly used for interconnection of board-level and system-level circuits, with the characteristics of high-density connection, low plug-in and pull-out times, and easy maintenance.
5. Wire-to-board rectangular connector: Suitable for the connection of internal signals and power of equipment, can withstand high current and high temperature environments, and has the advantages of easy installation and convenient maintenance. -
4. Common packaging methods for rectangular connectors?
1. Panel-mounted packaging
Panel-mounted packaging is the most common form of rectangular connector, which allows the connector to be directly fixed to the housing or panel of the device. This packaging method is usually achieved by screw locking, snap-on fixing or crimping to ensure a stable connection between the connector and the panel. The advantages of panel-mounted packaging are easy and quick installation, easy maintenance and replacement, and good mechanical strength and protection level. It is suitable for scenarios that require frequent plugging and unplugging or high protection requirements, such as industrial control equipment, communication equipment, medical equipment, etc.
2. PCB Mounting Package
PCB mounting packaging is another widely used rectangular connector packaging method. It directly solders the connector on the PCB (printed circuit board) and realizes electrical connection through pins or pads. This packaging method has the advantages of small size, light weight, flexible layout, etc., which can save space to the maximum extent and improve the integration of the circuit board. It is widely used in computers, consumer electronics, automotive electronics and other fields, especially in occasions with extremely high space requirements, such as mobile phones, tablets and other portable devices.
3. Pin header and socket combination packaging
The pin header and socket combination packaging is a packaging form in which the two parts of the connector (pin header and socket) are designed separately and then electrically connected by plugging. This packaging method is easy to plug and unplug and easy to replace and upgrade, and is particularly suitable for scenarios where frequent module replacement or system upgrade is required. For example, in the fields of test equipment, modular data centers, etc., the pin header and socket combination packaging can significantly improve the flexibility and maintainability of the system.
4. Mixed packaging
With the continuous development of electronic technology, a single packaging method has been difficult to meet the complex and changing application requirements. Therefore, mixed packaging came into being, which combines multiple packaging methods to form a comprehensive solution. For example, combining panel mounting with printed circuit board mounting not only ensures the stability of the connector, but also improves the integration of the circuit board; or combining the pin and socket combination with modular design to achieve a more flexible and changeable system configuration.
5. Special environmental adaptability packaging
In some special environments, such as high temperature, low temperature, high humidity, strong electromagnetic interference, etc., higher requirements are placed on the packaging method of rectangular connectors. To this end, a variety of special environmental adaptability packages have been developed, such as high temperature resistant packaging, waterproof packaging, anti-electromagnetic interference packaging, etc. These packaging methods improve the environmental adaptability of the connector by using special materials and optimizing structural design, ensuring that it can still work stably and reliably in harsh environments.
