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Molex 1903 Series

32 variants · Molex

About the Molex 1903 Series

The Molex 1903 Series series groups 32 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 material of Copper, terminal type of Male, Pin (Plug) and termination of Crimp. Variants differ by contact finish, insulation and length - overall, so you can match the exact contact finish your application requires using the selection guide below. All listed Molex 1903 Series part numbers are active and orderable.

Select a variant by

Contact finish
Electro-Tin · Tin
Insulation
Non-Insulated · Non-Mating End Insulated
Length - overall
0.700\" (17.78mm) · 0.754\" (19.15mm) · 0.890\" (22.61mm) · 0.935\" (23.75mm) · 0.950\" (24.13mm) · 0.986\" (25.04mm) · 1.046\" (26.57mm)
Package
Bag · Bulk · Tape & Reel (TR); Cut Tape (CT)
Wire gauge
14-16 AWG · 18-22 AWG
Diameter - barrel
0.156\" (3.96mm) · 0.180\" (4.57mm)
Insulation diameter
0.140\" (3.56mm) · 0.145\" (3.68mm) · 0.170\" (4.32mm) · 0.172\" (4.38mm) · 0.450\" (11.43mm)

Shared specifications

Contact material
Copper
Terminal type
Male, Pin (Plug)
Termination
Crimp

Variant comparison

Parameter19033000119033000319033000719034000219034000519034-0007
Contact finishTinTinTinTinTinElectro-Tin
InsulationNon-InsulatedNon-InsulatedNon-InsulatedNon-Mating End InsulatedNon-Mating End InsulatedNon-Mating End Insulated
Length - overall0.754\" (19.15mm)0.700\" (17.78mm)0.700\" (17.78mm)0.950\" (24.13mm)0.890\" (22.61mm)0.935\" (23.75mm)
PackageBulkBulkBulkBulkBulkBag
Wire gauge18-22 AWG18-22 AWG14-16 AWG18-22 AWG18-22 AWG14-16 AWG
Diameter - barrel0.180\" (4.57mm)0.156\" (3.96mm)0.156\" (3.96mm)0.180\" (4.57mm)0.156\" (3.96mm)
Insulation diameter0.145\" (3.68mm)0.145\" (3.68mm)0.172\" (4.38mm)

Request a quote on any Molex 1903 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 1903 Series variants differ?
Molex 1903 Series part numbers differ by contact finish, insulation, length - overall and package. Use the selection guide above to pick by contact finish.
How many Molex 1903 Series part numbers are listed?
32 Molex 1903 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 1903 Series?
Request a quote (RFQ) for any Molex 1903 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants