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Molex 3903 Series

11 variants · Molex

About the Molex 3903 Series

The Molex 3903 Series series groups 11 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. Variants differ by color, connector type and fastening type, so you can match the exact color your application requires using the selection guide below. All listed Molex 3903 Series part numbers are active and orderable.

Select a variant by

Color
Black · Natural
Connector type
Plug · Receptacle
Fastening type
Latch Lock · Locking Ramp
Gender
Female Socket · Male or Female
Mounting type
Free Hanging (In-Line) · Panel Mount · Panel Mount, Snap-In
Package
Bag · Bulk · Tray
Positions
2 · 4 · 6 · 8 · 10 · 12 · 14 · 15
Rows
2 · 3

Shared specifications

Contact termination
Crimp

Variant comparison

Parameter390331573903615039039022390390423903906239039082
ColorNaturalNaturalBlackBlackBlackBlack
Connector typeReceptaclePlugReceptacleReceptacleReceptacleReceptacle
Fastening typeLocking RampLocking RampLatch LockLatch LockLatch LockLatch Lock
GenderMale or FemaleMale or FemaleFemale SocketFemale SocketFemale SocketFemale Socket
Mounting typePanel MountPanel Mount, Snap-InFree Hanging (In-Line)Free Hanging (In-Line)Free Hanging (In-Line)Free Hanging (In-Line)
PackageBulkBagBulkBulkBulkBulk
Positions15152468
Rows332222

Request a quote on any Molex 3903 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 3903 Series variants differ?
Molex 3903 Series part numbers differ by color, connector type, fastening type and gender. Use the selection guide above to pick by color.
How many Molex 3903 Series part numbers are listed?
11 Molex 3903 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 3903 Series?
Request a quote (RFQ) for any Molex 3903 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants