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This connector consists of 40 pins total (2 rows × 20 pins) spaced at 2.54 mm pitch. It is widely used in PCB interconnections, embedded systems, Raspberry Pi-style GPIO headers, Arduino expansion boards, and general prototyping applications. It mates with standard female headers or jumper wires.
Key Features
Pin configuration: 2×20 (40 pins total)
Pitch: 2.54 mm (0.1 inch standard)
Mounting type: Through-hole (THT)
Orientation options: Vertical or right-angle variants
Contact material: Typically brass or phosphor bronze
Plating: Tin or gold-plated options for improved conductivity
Current rating: Commonly 1A–3A per pin (depends on manufacturer)
Voltage rating: Typically up to 250V AC/DC (application-dependent)
Compatibility: Standard 2.54 mm female headers and jumper cables
Use cases: Development boards, GPIO expansion, debugging interfaces, mezzanine connections