A4203 4.2 mm Wire-to-Board Connectors

Description

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

ComponentSelection point
H housingsNylon 66 single-row housings for the 30-circuit format
Board headersBrass-contact interfaces matched to the board layout
Crimp terminalPhosphor bronze contact for 20–18 AWG wire

Electrical Data

Centerline4.2 mm
Positions30
Maximum current8 A per contact
Maximum voltage300 VAC/DC
Operating temperature-25 °C to 105 °C
UL fileE364711
Contact platingTin Plating
Housing resin / flammabilityNylon 66 UL94V-0

Confirm the High-Count Interface

Match the 30-circuit housing, header and terminal by mating geometry and conductor size. Verify the board footprint and drawing dimensions before assembly.