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Molex 4303 Series

3 variants · Molex

About the Molex 4303 Series

IC Source Direct is a China connector distributor, supplier and independent procurement agent for Molex 4303 Series components, matching housing, contact and mating cycles across the Shenzhen interconnect channel. The Molex 4303 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common contact termination of Crimp, package of Tape & Reel (TR); Cut Tape (CT) and pin or socket of Pin. Variants differ by contact finish, contact finish thickness and wire gauge, so you can match the exact contact finish your application requires using the selection guide below. All listed Molex 4303 Series part numbers are active and orderable.

Select a variant by

Contact finish
Gold · Tin
Contact finish thickness
15.0µin (0.38µm) · 40.0µin (1.02µm)
Wire gauge
20-24 AWG · 26-30 AWG

Shared specifications

Contact termination
Crimp
Package
Tape & Reel (TR); Cut Tape (CT)
Pin or socket
Pin
Type
Power

Variant comparison

Parameter430310001430310002430310004
Contact finishTinGoldTin
Contact finish thickness40.0µin (1.02µm)15.0µin (0.38µm)40.0µin (1.02µm)
Wire gauge20-24 AWG20-24 AWG26-30 AWG

Request a quote on any Molex 4303 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants