Due to the different specifications applied in electronic products, pin headers are also divided into various models and specifications. The electronic industry classifies pin headers according to certain standards:
- Based on the pitch, they can be roughly divided into 0.8mm, 1.0mm, 1.27mm, 2.0mm, 2.54mm, 3.96mm, etc.
- The number of rows can be single-row, double-row, triple-row, quadruple-row, etc., with quadruple-row being the most common nowadays.
- The pins can be classified as straight pins, bent pins, SMT (Surface Mount Technology), and also by their size.
- Dimensions are classified based on the external dimensions such as length, width, thickness, and pitch.
- Based on the packaging, they can be categorized as surface-mount SMT (including horizontal and vertical mounting) or through-hole DIP (including straight and angled insertion).
- Installation methods are categorized as 180° using “WV,” 90° using “WR,” and SMT using “S.”
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