A4203 4.2 mm wire-to-board connectors provide a high-capacity 30-circuit interface with housings, board headers and crimp terminals. The family uses 20–18 AWG wire and is specified for 8 A per contact and 300 VAC/DC maximum voltage.
| Component | Selection point |
|---|---|
| H housings | Nylon 66 single-row housings for the 30-circuit format |
| Board headers | Brass-contact interfaces matched to the board layout |
| Crimp terminal | Phosphor bronze contact for 20–18 AWG wire |
| Centerline | 4.2 mm |
|---|---|
| Positions | 30 |
| Maximum current | 8 A per contact |
| Maximum voltage | 300 VAC/DC |
| Operating temperature | -25 °C to 105 °C |
| UL file | E364711 |
| Contact plating | Tin Plating |
| Housing resin / flammability | Nylon 66 UL94V-0 |
Match the 30-circuit housing, header and terminal by mating geometry and conductor size. Verify the board footprint and drawing dimensions before assembly.