Molex 5050705420

Molex Part Number 5050705420（Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)）, developed and manufactured by Molex, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

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Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) are three different forms of rectangular connectors. Array type rectangular connectors usually refer to their internal contact pairs (that is, pins and terminals) arranged in array form, which is conducive to high-density connection, suitable for occasions where a large number of signals or data need to be transmitted. A marginal rectangular connector is a part of the edge of the circuit board that is connected, usually through pins or slots, to a gold finger or pad on the edge of the circuit board. The sandwich type (board-to-board) rectangular connector is specially designed to connect between two or more circuit boards. It directly connects the power supply and signal between the printed circuit board through the pin of the connector to achieve an efficient and stable electrical connection.

Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) are widely used in electronic devices and systems requiring high-density and high-speed connections. In communication equipment, they are used in core equipment such as high-speed backplanes, switches and routers; In computing, such connectors are a key component in building high-performance computing platforms that support multi-processor parallel computing and high-speed memory access. In addition, in the fields of industrial automation, medical equipment, aerospace and automotive electronics, rectangular link-arrays, edge types, and sandwich types are also favored for their excellent electrical performance and reliability, and are used to achieve precise connection and control of complex circuit systems.

• 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.

• 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.