How do the Molex 221220 Series variants differ?

Molex 221220 Series part numbers differ by contact length - mating, contact length - post, fastening type and insulation height. Use the selection guide above to pick by contact length - mating.

How many Molex 221220 Series part numbers are listed?

14 Molex 221220 Series part numbers are listed, each with specifications and a datasheet where available.

Molex 221220 Series

14 variants · Molex

About the Molex 221220 Series

The Molex 221220 Series series groups 14 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, Medical, Telecommunications, connector type of Header and contact finish - mating of Gold. Variants differ by contact length - mating, contact length - post and fastening type, so you can match the exact contact length - mating your application requires using the selection guide below. All listed Molex 221220 Series part numbers are active and orderable.

Select a variant by

Contact length - mating: 0.264\" (6.70mm) · 0.369\" (9.37mm)
Contact length - post: 0.124\" (3.15mm) · 0.141\" (3.58mm)
Fastening type: Friction Lock · Push-Pull
Insulation height: 0.130\" (3.30mm) · 0.250\" (6.35mm)
Positions: 2 · 3 · 4 · 5 · 6 · 7
Shrouding: Shrouded - 1 Wall · Unshrouded

Shared specifications

Applications: Automotive, General Purpose, 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 shape: Square
Gender: Male Pin
Insulation color: White
Insulation material: Polyamide (PA), Nylon
Material flammability rating: UL94 V-0
Mounting type: Through Hole, Right Angle

Variant comparison

Parameter	22122021	22122024	22122031	22122034	22122041	22122044
Contact length - mating	0.369\" (9.37mm)	0.264\" (6.70mm)	0.369\" (9.37mm)	0.264\" (6.70mm)	0.369\" (9.37mm)	0.264\" (6.70mm)
Contact length - post	0.124\" (3.15mm)	0.141\" (3.58mm)	0.124\" (3.15mm)	0.141\" (3.58mm)	0.124\" (3.15mm)	0.141\" (3.58mm)
Fastening type	Push-Pull	Friction Lock	Push-Pull	Friction Lock	Push-Pull	Friction Lock
Insulation height	0.130\" (3.30mm)	0.250\" (6.35mm)	0.130\" (3.30mm)	0.250\" (6.35mm)	0.130\" (3.30mm)	0.250\" (6.35mm)
Positions	2	2	3	3	4	4
Shrouding	Unshrouded	Shrouded - 1 Wall	Unshrouded	Shrouded - 1 Wall	Unshrouded	Shrouded - 1 Wall

Request a quote on any Molex 221220 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 221220 Series variants differ?: Molex 221220 Series part numbers differ by contact length - mating, contact length - post, fastening type and insulation height. Use the selection guide above to pick by contact length - mating.
How many Molex 221220 Series part numbers are listed?: 14 Molex 221220 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 221220 Series?: Request a quote (RFQ) for any Molex 221220 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.