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Amphenol L77S Series

3 variants · Amphenol

About the Amphenol L77S Series

The Amphenol L77S Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common color of Black, connector type of Receptacle, Female Sockets and contact finish of Gold. Variants differ by backset spacing, contact finish thickness and flange feature, so you can match the exact backset spacing your application requires using the selection guide below. All listed Amphenol L77S Series part numbers are active and orderable.

Select a variant by

Backset spacing
- · 0.318\" (8.08mm)
Contact finish thickness
30.0µin (0.76µm) · Flash
Flange feature
Board Side (4-40) · Board Side (M3) · Mating Side, Female Screwlock (4-40)
Mounting type
Through Hole · Through Hole, Right Angle

Shared specifications

Color
Black
Connector type
Receptacle, Female Sockets
Contact finish
Gold
Contact form
Stamped
Contact material
Phosphor Bronze
Current rating
3A
Dielectric material
Thermoplastic, Glass Filled
Features
Board Lock
Gender
Signal
Ingress protection
-
Material flammability rating
UL94 V-0
Operating temperature
-55°C ~ 125°C

Variant comparison

ParameterL77SDE09SA4CH4FL77SDEG09SOL2RM5L77SDEH09SOL2RM5C309
Backset spacing0.318\" (8.08mm)--
Contact finish thicknessFlashFlash30.0µin (0.76µm)
Flange featureMating Side, Female Screwlock (4-40)Board Side (M3)Board Side (4-40)
Mounting typeThrough Hole, Right AngleThrough HoleThrough Hole

Request a quote on any Amphenol L77S 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 L77S Series variants differ?
Amphenol L77S Series part numbers differ by backset spacing, contact finish thickness, flange feature and mounting type. Use the selection guide above to pick by backset spacing.
How many Amphenol L77S Series part numbers are listed?
3 Amphenol L77S Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Amphenol L77S Series?
Request a quote (RFQ) for any Amphenol L77S Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants