How do the Amphenol 77311 Series variants differ?

Amphenol 77311 Series part numbers differ by contact finish - mating, contact finish thickness - mating, contact length - mating and contact length - post. Use the selection guide above to pick by contact finish - mating.

How many Amphenol 77311 Series part numbers are listed?

18 Amphenol 77311 Series part numbers are listed, each with specifications and a datasheet where available.

Amphenol 77311 Series

18 variants · Amphenol

About the Amphenol 77311 Series

The Amphenol 77311 Series series groups 18 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common connector type of Header, contact finish - post of Tin and contact finish thickness - post of 78.7µin (2.00µm). Variants differ by contact finish - mating, contact finish thickness - mating and contact length - mating, so you can match the exact contact finish - mating your application requires using the selection guide below. All listed Amphenol 77311 Series part numbers are active and orderable.

Select a variant by

Contact finish - mating: Gold or Gold, GXT™ · Tin
Contact finish thickness - mating: 30.0µin (0.76µm) · 78.7µin (2.00µm)
Contact length - mating: 0.230\" (5.84mm) · 0.266\" (6.75mm) · 0.284\" (7.21mm) · 0.305\" (7.75mm)
Contact length - post: 0.095\" (2.41mm) · 0.114\" (2.90mm) · 0.120\" (3.05mm) · 0.135\" (3.43mm)
Overall contact length: 0.425\" (10.80mm) · 0.450\" (11.43mm) · 0.465\" (11.81mm) · 0.480\" (12.19mm) · 0.504\" (12.80mm) · 0.525\" (13.34mm)
Package: Bag · Bulk · Tape & Reel (TR); Cut Tape (CT)
Positions: 1 · 2 · 3 · 36000, Cuttable

Shared specifications

Connector type: Header
Contact finish - post: Tin
Contact finish thickness - post: 78.7µin (2.00µm)
Contact material: Phosphor Bronze
Contact shape: Square
Current rating: 3A per Contact
Fastening type: Push-Pull
Gender: Male Pin
Insulation color: Black
Insulation height: 0.100\" (2.54mm)
Insulation material: Thermoplastic
Material flammability rating: UL94 V-0

Variant comparison

Parameter	77311-101-01LF	77311-101-02LF	77311-102-03LF	77311-118-01LF	77311-118-02LF	77311-122-02LF
Contact finish - mating	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™
Contact finish thickness - mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact length - mating	0.230\" (5.84mm)	0.230\" (5.84mm)	0.230\" (5.84mm)	0.230\" (5.84mm)	0.230\" (5.84mm)	0.305\" (7.75mm)
Contact length - post	0.095\" (2.41mm)	0.095\" (2.41mm)	0.135\" (3.43mm)	0.120\" (3.05mm)	0.120\" (3.05mm)	0.120\" (3.05mm)
Overall contact length	0.425\" (10.80mm)	0.425\" (10.80mm)	0.465\" (11.81mm)	0.450\" (11.43mm)	0.450\" (11.43mm)	0.525\" (13.34mm)
Package	Bag	Bulk	Bulk	Bag	Bulk	Bulk
Positions	1	2	3	1	2	2

Request a quote on any Amphenol 77311 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 Amphenol 77311 Series variants differ?: Amphenol 77311 Series part numbers differ by contact finish - mating, contact finish thickness - mating, contact length - mating and contact length - post. Use the selection guide above to pick by contact finish - mating.
How many Amphenol 77311 Series part numbers are listed?: 18 Amphenol 77311 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Amphenol 77311 Series?: Request a quote (RFQ) for any Amphenol 77311 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.