Molex 0757571442

Molex Part Number 0757571442（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.

0757571442 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately sales@jinftry.com Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

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. What is a rectangular connector male plug?

  The rectangular connector male plug usually refers to the pin or plug-in terminal in the connector, which is used to form a connection with the female plug. In the connector of electronic equipment, the output end of the circuit is usually directly equipped with a plug, while the input end of the circuit is equipped with a socket, which forms the male and female plugs in the connection process. The plug generally refers to one end of the connecting wire or cable, which has several pins. The shape and number of the pins generally correspond to the number of holes in the corresponding socket so that they can be inserted into the correct position. In a rectangular connector, the correct connection of the male and female plugs is crucial, especially in high voltage, high frequency, high current and other environments. The correct connection can not only ensure the transmission quality of signals and electric energy, but also effectively avoid accidents such as short circuits, circuit breaks, and fires.

• 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. 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 that it is easy and quick to install, easy to maintain and replace, and can provide 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. Printed board mounted packaging
  Printed board mounted 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 circuit boards. 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. Needle seat and socket combined packaging
  The needle seat and socket combined packaging is a packaging form in which the two parts of the connector (needle seat and socket) are designed separately, and then the electrical connection is realized by plugging. This packaging method has the characteristics of easy plugging and unplugging, easy replacement and upgrading, and is particularly suitable for scenarios where modules need to be frequently replaced or systems need to be upgraded. For example, in the fields of test equipment, modular data centers, etc., the combined package of pin header and socket can significantly improve the flexibility and maintainability of the system.
  
  4. Mixed package
  With the continuous development of electronic technology, a single packaging method has been difficult to meet the complex and changing application requirements. Therefore, mixed package 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 combination of pin header and socket with modular design to achieve a more flexible and changeable system configuration.
  
  The design of mixed package needs to comprehensively consider various factors, including spatial layout, electrical performance, mechanical strength, cost-effectiveness, etc., to seek the best design solution. At the same time, it is also necessary to pay attention to the compatibility and interoperability between different packaging methods to ensure the overall performance and stability of the system.
  
  5. Special environment adaptability package
  
  In some special environments, such as high temperature, low temperature, high humidity, strong electromagnetic interference, etc., higher requirements are put forward for the packaging method of rectangular connectors. To this end, a variety of special environmental adaptability packages have been developed, such as high temperature resistant packages, waterproof packages, and anti-electromagnetic interference packages. These packaging methods improve the environmental adaptability of connectors by using special materials and optimizing structural design, ensuring that they can still work stably and reliably in harsh environments.