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Molex 4303 Series

17 variants · Molex

About the Molex 4303 Series

The Molex 4303 Series series groups 17 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, pin or socket of Pin and type of Power. Variants differ by contact finish, contact finish thickness and package, 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) · 30.0µin (0.76µm) · 40.0µin (1.02µm)
Package
Bulk · Tape & Reel (TR); Cut Tape (CT)
Wire gauge
18 AWG · 20-24 AWG · 26-30 AWG

Shared specifications

Contact termination
Crimp
Pin or socket
Pin
Type
Power

Variant comparison

Parameter430310001430310002430310004430310005430310006430310007
Contact finishTinGoldTinGoldGoldTin
Contact finish thickness40.0µin (1.02µm)15.0µin (0.38µm)40.0µin (1.02µm)15.0µin (0.38µm)30.0µin (0.76µm)40.0µin (1.02µm)
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Bulk
Wire gauge20-24 AWG20-24 AWG26-30 AWG26-30 AWG26-30 AWG20-24 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.

Frequently asked questions

How do the Molex 4303 Series variants differ?
Molex 4303 Series part numbers differ by contact finish, contact finish thickness, package and wire gauge. Use the selection guide above to pick by contact finish.
How many Molex 4303 Series part numbers are listed?
17 Molex 4303 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 4303 Series?
Request a quote (RFQ) for any Molex 4303 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants