A2543 2.54 mm wire-to-board connectors combine single-row housings, vertical or right-angle headers and a crimp terminal for compact harness assemblies. The formats cover 2–15 circuits and 28–22 AWG wire, with 3 A per-contact current and 250 VAC/DC maximum voltage.
| Component | Selection point |
|---|---|
| H housings | Nylon 66 single-row housings for the selected circuit count |
| Board headers | Vertical or right-angle brass-contact interfaces by model |
| Crimp terminal | Phosphor bronze contact for 28–22 AWG wire |
| Centerline | 2.54 mm |
|---|---|
| Positions | 2–15 |
| Rows | Single row |
| Maximum current | 3 A per contact |
| Maximum voltage | 250 VAC/DC |
| Operating temperature | -25 °C to 105 °C |
| UL file | E364711 |
| Contact plating | Tin Plating |
| Housing resin / flammability | Nylon 66 UL94V-0 |
Choose the circuit count and housing, then select the header orientation and footprint. Match the terminal to the 28–22 AWG conductor and verify the drawing dimensions.