Molex 0878323021

Molex Part Number 0878323021（Rectangular Connectors - Headers, Male Pins）, 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 - Headers, Male Pins are key components that enable signal or power connections between circuits. It consists of an insulated base and multiple metal pins arranged in a rectangular array, which are fixed to the base by crimping, welding, or threading. The needle holder serves as the female end, while the male pin serves as the corresponding male end, and the two are electrically connected through precise coordination. In terms of design principles, rectangular connectors emphasize the characteristics of high density, high reliability, and easy insertion and removal, and are widely used in situations that require stable and efficient signal transmission. Its characteristics include low contact resistance, high withstand voltage, wear resistance, and resistance to electromagnetic interference.

Rectangular Connectors - Headers, Male Pins are widely used in various electronic devices, especially in computer hardware, communication equipment, industrial automation control and other fields. In the field of computer hardware, they are used to connect core components such as motherboards, graphics cards, and memory modules, ensuring high-speed data transmission and stable system operation. In communication equipment, rectangular connectors are used to connect circuit boards, modules, antennas, etc., supporting high-speed signal transmission and complex circuit layouts. In industrial automation control systems, rectangular connectors serve as a bridge between sensors, actuators, and controllers to achieve precise control and data feedback.

• 1. The difference between male and female connector pins

  1. What are male and female connector pins?
  
  Male and female connector pins are the two most commonly used terminals in connectors and are also important components of connecting circuits. Male and female pins are usually made of metal, and their shapes and sizes can vary depending on the connector. Male and female pins usually appear in pairs, and the male pin can be inserted into the female pin for connection.
  
  2. The difference between male and female pins
  
  The difference between male and female pins is usually in their shape and use. The male pin is the plug in the connector, usually with a cylindrical or rectangular head, with a needle-like metal on the top, which can be inserted into the female pin for connection. The female pin is the socket in the connector, usually one or more jacks, into which the male pin can be inserted for connection. Therefore, male and female pins often appear in pairs.
  
  3. Use of male and female pins
  
  Male and female pins can be used to connect various electrical devices and lines, such as televisions, computers, telephones, and cars. They are very convenient to use and can be inserted and unplugged for easy replacement.
  
  Different connectors may require different types of male and female pins. Some connectors may require a pair of male/female pins, while others require multiple male/female pins for connection

• 2. How to distinguish between male and female connectors

  The male and female connectors of connectors can be distinguished by the following methods:
  
  ‌Dimensions‌: The male connector is usually smaller and has protruding pins or conductors, while the female connector is larger and has a recessed hole or slot for receiving the male connector. ‌
  ‌Pin structure‌: The male connector has protruding pins, while the female connector has a recessed jack for inserting the male connector.
  ‌Color identification‌: Some connectors are designed to be identified with different colors, such as red for male connectors and blue for female connectors.
  ‌English representation‌: The male connector is represented by the English word Plug, and the female connector is represented by the English word Receptacle.
  Through these methods, the male and female connectors of connectors can be effectively distinguished to ensure correct connection and use.

• 3. Precautions for installing rectangular connectors

  Make sure all screws are tightened to prevent the connector from loosening.
  When wiring, pay attention to the positive and negative poles of the wires to avoid connecting them incorrectly.
  During the assembly process, avoid damaging the mating surface of the connector to avoid affecting the electrical performance.
  Ensure a clean working environment to prevent dust and impurities from entering the connector.