How do the Molex 3901 Series variants differ?

Molex 3901 Series part numbers differ by color, connector type, fastening type and gender. Use the selection guide above to pick by color.

How many Molex 3901 Series part numbers are listed?

103 Molex 3901 Series part numbers are listed, each with specifications and a datasheet where available.

Molex 3901 Series

103 variants · Molex

About the Molex 3901 Series

The Molex 3901 Series series groups 103 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common contact termination of Crimp, package of Bulk and row spacing of 0.165\" (4.20mm). Variants differ by color, connector type and fastening type, so you can match the exact color your application requires using the selection guide below.

Select a variant by

Color: Ivory · Natural
Connector type: Plug · Receptacle
Fastening type: Latch Lock · Locking Ramp
Gender: Female Socket · Male Pin
Mounting type: Free Hanging (In-Line) · Panel Mount, Snap-In
Positions: 2 · 4 · 6

Shared specifications

Contact termination: Crimp
Package: Bulk
Row spacing: 0.165\" (4.20mm)
Rows: 2

Variant comparison

Parameter	39012020	39012021	39012025	39012026	39012040	39012041
Color	Natural	Natural	Natural	Ivory	Natural	Natural
Connector type	Receptacle	Plug	Receptacle	Plug	Receptacle	Plug
Fastening type	Latch Lock	Locking Ramp	Latch Lock	Locking Ramp	Latch Lock	Locking Ramp
Gender	Female Socket	Male Pin	Female Socket	Male Pin	Female Socket	Male Pin
Mounting type	Free Hanging (In-Line)	Panel Mount, Snap-In	Free Hanging (In-Line)	Panel Mount, Snap-In	Free Hanging (In-Line)	Panel Mount, Snap-In
Positions	2	2	2	2	4	4

Request a quote on any Molex 3901 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 3901 Series variants differ?: Molex 3901 Series part numbers differ by color, connector type, fastening type and gender. Use the selection guide above to pick by color.
How many Molex 3901 Series part numbers are listed?: 103 Molex 3901 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 3901 Series?: Request a quote (RFQ) for any Molex 3901 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.