Overview
Single row right angle female headers are low-profile PCB connectors that enable perpendicular connections between circuit boards or cables. They consist of a plastic housing with embedded metal contacts, designed to mate with male pin headers at a 90-degree angle. These components are widely used in electronics where space optimization is critical, such as laptops, automotive control units, and industrial sensors. The standardized pitch (commonly 2.54mm) ensures compatibility across manufacturers. Industry-grade variants often feature gold-plated contacts for enhanced conductivity and oxidation resistance, while cost-sensitive applications may use tin plating.
Structure and Working Principle
The header comprises an insulator body (typically PA6T or LCP plastic for heat resistance) and precision-stamped phosphor bronze contacts. The right-angle design bends the contact pins horizontally, allowing parallel PCB mounting. Contacts are either solder-tail (for through-hole assembly) or press-fit (for tool-free installation). When mated with a male header, the female contacts create a spring-loaded connection, maintaining low contact resistance. The plastic housing includes polarization slots to prevent reverse insertion, ensuring reliable connectivity in vibration-prone environments.
Key Features
1. Space Efficiency: The 90° bend minimizes vertical clearance, ideal for slim devices. 2. Durability: Withstands 50+ mating cycles; operating temperatures range from -40°C to +105°C. 3. Customization: Available in various pin counts (4–40 pins) and plating options. High-end versions offer IP67-rated waterproofing for harsh environments. Industrial-grade headers often incorporate locking mechanisms to prevent accidental disconnection.
Application Areas
Consumer Electronics: Used in smart TVs, routers, and gaming consoles for internal board-to-board connections. Automotive: Deployed in ECU modules and infotainment systems due to vibration resistance. Industrial Automation: Connects sensors and control panels in manufacturing equipment. Medical devices leverage their reliability for diagnostic machinery. Military/aerospace applications require MIL-SPEC variants with extended temperature ranges.
Maintenance and Precautions
Prevent contamination by storing in anti-static bags before use. Avoid exposure to solvents that may degrade the plastic housing. During assembly, ensure solder joints are void-free to maintain signal integrity. For press-fit models, verify PCB hole diameter tolerance (±0.05mm) to prevent contact damage. Periodic inspection is recommended in high-vibration applications to detect contact wear. Cleaning should use only isopropyl alcohol and lint-free swabs.
B2B Procurement Guide
1. Volume Discounts: Negotiate pricing for orders above 10,000 units; MOQs typically start at 1,000 pieces. 2. Certifications: Request RoHS/REACH compliance documents for EU markets. 3. Lead Times: Standard configurations ship in 2–4 weeks; custom designs may require 6–8 weeks. Audit suppliers for ISO 9001 certification and request samples to test mating force and contact resistance. Preferred vendors include TE Connectivity, Amphenol, and domestic specialists like Lotes.
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