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Molex 2661 Series

20 variants · Molex

About the Molex 2661 Series

The Molex 2661 Series series groups 20 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common applications of Automotive, General Purpose, Industrial, Medical, Telecommunications, connector type of Header and contact finish - mating of Gold. Variants differ by contact length - post, fastening type and insulation height, so you can match the exact contact length - post your application requires using the selection guide below. All listed Molex 2661 Series part numbers are active and orderable.

Select a variant by

Contact length - post
0.140\" (3.56mm) · 0.156\" (3.96mm)
Fastening type
Friction Lock · Push-Pull
Insulation height
0.130\" (3.30mm) · 0.394\" (10.00mm) · 0.446\" (11.33mm)
Mounting type
Through Hole · Through Hole, Right Angle
Positions
2 · 3 · 4 · 6 · 7 · 8 · 9 · 12 · 14 · 16
Shrouding
Shrouded - 1 Wall · Unshrouded

Shared specifications

Applications
Automotive, General Purpose, Industrial, Medical, Telecommunications
Connector type
Header
Contact finish - mating
Gold
Contact finish - post
Tin
Contact finish thickness - mating
20.0µin (0.51µm)
Contact finish thickness - post
100.0µin (2.54µm)
Contact length - mating
0.450\" (11.43mm)
Contact shape
Square
Gender
Male Pin
Insulation color
Natural
Insulation material
Polyester, Glass Filled
Material flammability rating
UL94 V-0

Variant comparison

Parameter266120802661402026614030266140402661406026614070
Contact length - post0.140\" (3.56mm)0.140\" (3.56mm)0.140\" (3.56mm)0.140\" (3.56mm)0.140\" (3.56mm)0.140\" (3.56mm)
Fastening typePush-PullFriction LockFriction LockFriction LockFriction LockFriction Lock
Insulation height0.130\" (3.30mm)0.446\" (11.33mm)0.446\" (11.33mm)0.446\" (11.33mm)0.446\" (11.33mm)0.446\" (11.33mm)
Mounting typeThrough HoleThrough HoleThrough HoleThrough HoleThrough HoleThrough Hole
Positions823467
ShroudingUnshroudedShrouded - 1 WallShrouded - 1 WallShrouded - 1 WallShrouded - 1 WallShrouded - 1 Wall

Request a quote on any Molex 2661 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 2661 Series variants differ?
Molex 2661 Series part numbers differ by contact length - post, fastening type, insulation height and mounting type. Use the selection guide above to pick by contact length - post.
How many Molex 2661 Series part numbers are listed?
20 Molex 2661 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 2661 Series?
Request a quote (RFQ) for any Molex 2661 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants