20-Pin Natural Vertical PCB Header: Technical Overview The 20-pin natural vertical PCB header is a fundamental interconnect component designed for printed circuit board (PCB) applications, providing reliable electrical connections in a compact, standardized form factor. This header features a vertical orientation, making it ideal for space-constrained designs where perpendicular mating is required. Key Features 1. Pin Configuration & Pitch - The header consists of 20 pins arranged in a single row, with a standard 2.54mm (0.1-inch) pitch, ensuring compatibility with common PCB layouts and mating connectors. 2. Material & Durability - Constructed from high-temperature thermoplastic (e.g., PA6T, PA9T, or PBT), the housing offers excellent mechanical strength and resistance to soldering heat. - Tin-plated or gold-plated contacts ensure low contact resistance, corrosion resistance, and long-term reliability in diverse environments. 3. Mounting & Orientation - Vertical mounting allows the header to protrude perpendicularly from the PCB, facilitating connections with female sockets, ribbon cables, or IDC connectors. - Through-hole (THT) soldering provides robust mechanical retention and electrical conductivity, suitable for wave or hand soldering processes. 4. Electrical & Mechanical Specifications - Rated current: Typically 2–3A per pin, depending on plating and material. - Voltage rating: Up to 250V AC/DC. - Operating temperature: -40°C to +105°C, suitable for industrial and consumer applications. - Mating cycles: 50+ cycles without significant degradation in performance. 5. Applications - Widely used in motherboards, power supplies, industrial controls, and embedded systems. - Compatible with Dupont-style jumper wires, Arduino shields, and modular electronics. Advantages - Space Efficiency: Vertical design saves horizontal PCB space. - Interchangeability: Standard pitch ensures broad compatibility. - Cost-Effective: Economical for high-volume production. Considerations - Ensure proper alignment during soldering to avoid misplacement. - Verify mating connector compatibility (e.g., female header or socket). Conclusion The 20-pin vertical PCB header is a versatile, durable solution for establishing secure board-level connections. Its standardized design, robust materials, and ease of integration make it a staple in electronics manufacturing.