PA Series Pin Socket

Updated: 2026-07-19

Overview

PA Series Pin Headers are essential components in electronic circuit design, providing a reliable and secure method for connecting PCBs. These headers are typically made from nylon (PA) with metal pins, ensuring durability and high-temperature resistance. They are widely used in consumer electronics, industrial equipment, and automotive applications. The PA Series is favored for its precision and ease of use, making it a standard choice in prototyping and mass production. Their modular design allows for customization based on pin count and pitch requirements, catering to diverse industry needs.

Structure and Working Principle

PA Series Pin Headers consist of a nylon insulator housing and metal pins (commonly brass or phosphor bronze). The pins are arranged in a single or double row, with standard pitch sizes such as 2.54mm or 1.27mm. The insulator provides mechanical support and electrical isolation between pins. During installation, the pins are soldered onto the PCB, while the mating connector (socket) attaches to the header, forming a secure electrical connection. The design ensures low contact resistance and stable performance under varying environmental conditions.

Key Features

PA Series Pin Headers are known for their high-temperature resistance, with nylon insulators capable of withstanding up to 105°C. The metal pins are often gold-plated to enhance conductivity and prevent oxidation. These headers are also resistant to vibration and mechanical stress, ensuring long-term reliability. Another notable feature is their compatibility with automated assembly processes, making them cost-effective for high-volume production. The variety of pin counts and configurations allows for flexibility in design, meeting specific application requirements.

Application Areas

PA Series Pin Headers are extensively used in consumer electronics, such as computers, televisions, and smartphones, for internal PCB connections. They are also prevalent in industrial automation, automotive electronics, and medical devices, where reliable connections are critical. In addition, these headers are used in prototyping and development boards, providing a reusable and modular connection solution. Their versatility makes them suitable for both low-power signal transmission and higher-current applications.

Maintenance and Precautions

To ensure optimal performance, PA Series Pin Headers should be handled with care to avoid bending or damaging the pins. Proper alignment during installation is crucial to prevent misconnections or short circuits. Cleaning the pins with isopropyl alcohol can help maintain conductivity. Storage in a dry, dust-free environment is recommended to prevent oxidation or contamination. Avoid exposing the headers to excessive heat or humidity, as this may degrade the nylon insulator over time.

B2B Procurement Guide

When procuring PA Series Pin Headers, consider the pin count, pitch size, and material specifications to match your application needs. Verify the supplier's quality certifications, such as ISO 9001, to ensure product reliability. Bulk purchases typically offer cost savings, with prices ranging from $0.02 to $0.10 per pin. Lead time and minimum order quantities (MOQs) vary by supplier, so confirm these details in advance. Custom configurations, such as specific pin lengths or plating options, may require additional lead time and cost.