pin header
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A header is a common electronic connector composed of one or more rows of metal pins, usually plated with gold or tin, to improve its conductivity and corrosion resistance. Pins are widely used in the connection between circuit boards, especially in modular design, such as breadboard connection, prototype development, module expansion, etc.
characteristic:
Flexibility: The pin arrangement provides flexible connection options, making it easy to establish temporary or permanent connections between different circuit boards or modules.
Easy to plug and unplug: The pin design is easy to plug and unplug, making it easy to test, debug, and replace components.
Standardization: The pitch between the pins usually follows standard dimensions such as 2.54mm (0.1 inches), 2.0mm, etc., which allows them to be used in conjunction with various standard sockets and jumpers.
Multiple configurations: The pins can be single row, double row, or multi row, and the number of pins can also be customized according to needs.
Structural composition:
The basic structure of needle arrangement includes:
Pin: Usually made of copper alloy, it has good conductivity and elasticity, and the surface may be coated with gold, tin, or other metals to improve performance.
Base: The part that supports the pins, usually made of plastic or other insulating materials. There may be positioning slots or other mechanical features on the base to help with correct insertion.
Fixation method: The pins can be fixed on the circuit board through Through Hole or Surface Mount (SMT). Direct insertion pins are fixed in the holes of the circuit board by welding, while surface mount pins are directly soldered to the surface of the circuit board.
usage method:
Choose the appropriate pin arrangement: Select the appropriate spacing, number of rows, and number of pins according to the circuit design requirements.
Install to circuit board: Insert the pins into the corresponding holes on the circuit board (for direct insertion), or place them in the designated position on the circuit board (for surface mount).
Welding: Use a soldering iron to solder the pins of the pins onto the circuit board, ensuring that the soldering points are secure and free of short circuits.
Connect other circuit boards or modules: Align the sockets on another circuit board or module with the pins, gently push in, and complete the connection.
Application:
Pin arrangement is widely used in various electronic devices and systems, including:
Microcontroller and sensor module
Prototype development and breadboard experiments
Electronic Education Suite
Industrial control equipment
Consumer electronics products
Due to its simplicity, flexibility, and high cost-effectiveness, pin arrangement has become one of the commonly used connection solutions for electronic engineers in designing and manufacturing electronic devices. With the trend of miniaturization and integration of electronic products, the importance of needle arrangement in modern electronic manufacturing industry is increasing.