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Amphenol 77313-124-42LF — Pin Headers, Sockets & Housings
Amphenol

77313-124-42LF Amphenol ICC BergStik Header 42 pos 2.54mm

MPN77313-124-42LF
Active

Amphenol ICC (FCI) BergStik 77313-124-42LF, unshrouded breakaway header, 42 positions, dual-row, 0.100" (2.54mm) pitch, through-hole solder termination, male pin with gold or GXT plating, rated 3 A per contact, -65°C to 130°C, UL94 V-0.

$1.8344Ref. price · indicative, final on quote
77313-124-42LF datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
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Specifications

77313-124-42LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
TypeMale Pin
MountingThrough Hole
Connector typeHeader, Breakaway
Fastening typePush-Pull
Current rating3A per Contact
Operating temperature-65°C~130°C
Contact materialPhosphor Bronze
Insulation colorBlack
Insulation height0.100\" (2.54mm)
Insulation materialThermoplastic
Material flammability ratingUL94 V-0
StyleBoard to Board or Cable
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows2
Pitch0.100\" (2.54mm)
Positions42
Row spacing - mating0.100\" (2.54mm)
Contact finish - postTin
Contact length - post0.114\" (2.90mm)
Overall contact length0.480\" (12.19mm)
Contact finish - matingGold or Gold, GXT™
Contact length - mating0.266\" (6.75mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating30.0µin (0.76µm)

Product details

The 77313-124-42LF: Dual-row layout with 42 positions loaded means the connector spans just over 2 inches of board edge — plan the keep-out zone around the unshrouded pins.

Current and Temperature Limits

The 3 A ceiling is typical for signal-level BergStik headers — derate if the ambient exceeds 85°C or if multiple adjacent pins carry full current simultaneously. The post finish is 78.7 µinch tin, which is the standard for solder-joint reliability.

No keying, so the connector can be inserted either way; verify orientation on the board layout.

Frequently asked questions

What is the closest pin-compatible alternative to 77313-124-42LF?

No official equivalent is listed by Amphenol ICC. However, any 0.100" pitch, dual-row, unshrouded header with 42 positions and 0.025" square pins from another manufacturer (e.g., Samtec, TE Connectivity) is functionally interchangeable — confirm the post length and plating before substitution.