Here are some characteristics of receptacle pins:
- Purpose: They are used to create a secure connection point within a circuit or between multiple circuits or devices.
- Appearance: Receptacle pins are usually cylindrical with a hole running through their center, designed to align with the solid male pins.
- Material: Often made from conductive materials such as copper or brass, with a gold or nickel plating to ensure good electrical conductivity and to protect against corrosion.
- Usage: Commonly found in various types of connectors, including headers, sockets, and expansion slots.
- Pitch: The distance between the centers of two adjacent receptacle pins is known as the pitch, which can vary based on the application.
- Mounting: They can be mounted on Printed Circuit Boards (PCBs) and are used for through-hole technology as well as surface-mount technology (SMT).
- Applications: Found in a wide range of electronic devices, from computers and servers to consumer electronics and industrial equipment.

