How do the Amphenol 77312 Series variants differ?

Amphenol 77312 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 77312 Series part numbers are listed?

9 Amphenol 77312 Series part numbers are listed, each with specifications and a datasheet where available.

Amphenol 77312 Series

9 variants · Amphenol

About the Amphenol 77312 Series

The Amphenol 77312 Series series groups 9 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 -, connector type of Header and contact finish - post of Tin. 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 77312 Series part numbers are active and orderable.

Select a variant by

Contact finish - mating: Gold, GXT™ · Tin
Contact finish thickness - mating: 30.0µin (0.76µm) · 80.0µin (2.03µm)
Contact length - mating: 0.098\" (2.50mm) · 0.225\" (5.72mm) · 0.230\" (5.84mm)
Contact length - post: 0.071\" (1.80mm) · 0.095\" (2.41mm) · 0.120\" (3.05mm) · 0.135\" (3.43mm)
Overall contact length: 0.269\" (6.84mm) · 0.425\" (10.80mm) · 0.445\" (11.30mm) · 0.465\" (11.81mm)
Package: Bag · Bulk
Positions: 5 · 7 · 8 · 12 · 13 · 35

Shared specifications

Applications: -
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
Features: -
Gender: Male Pin
Ingress protection: -
Insulation color: Black

Variant comparison

Parameter	77312-118LF	77312-151LF	77312-153LF	77312-175LF	77312-179LF	77312-477LF
Contact finish - mating	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Tin
Contact finish thickness - mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	80.0µin (2.03µm)
Contact length - mating	0.230\" (5.84mm)	0.225\" (5.72mm)	0.225\" (5.72mm)	0.230\" (5.84mm)	0.230\" (5.84mm)	0.098\" (2.50mm)
Contact length - post	0.135\" (3.43mm)	0.120\" (3.05mm)	0.120\" (3.05mm)	0.095\" (2.41mm)	0.135\" (3.43mm)	0.071\" (1.80mm)
Overall contact length	0.465\" (11.81mm)	0.445\" (11.30mm)	0.445\" (11.30mm)	0.425\" (10.80mm)	0.465\" (11.81mm)	0.269\" (6.84mm)
Package	Bag	Bag	Bag	Bag	Bag	Bag
Positions	7	5	35	8	35	5

Request a quote on any Amphenol 77312 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 77312 Series variants differ?: Amphenol 77312 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 77312 Series part numbers are listed?: 9 Amphenol 77312 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Amphenol 77312 Series?: Request a quote (RFQ) for any Amphenol 77312 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.