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77313-118-50LF — Amphenol product photo
Amphenol

77313-118-50LF Amphenol ICC BERGSTIK Header 50 Pos 2.54mm

MPN77313-118-50LF
Active

Amphenol ICC (FCI) BERGSTIK® unshrouded header, 50 positions, 2 rows, 0.100" (2.54mm) pitch, through-hole solder termination, 3A per contact, gold or GXT™ mating finish, tin post finish, UL94 V-0 black thermoplastic, active production.

$2.5900Ref. price · indicative, final on quote
77313-118-50LF datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
  • Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
  • Photo-verified countsEvery line counted and photographed before the box closes.
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Specifications

77313-118-50LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
GenderMale Pin
Mounting typeThrough 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
PackageBulk
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows2
Pitch0.100\" (2.54mm)
Positions50
Row spacing - mating0.100\" (2.54mm)
Contact finish - postTin
Contact length - post0.120\" (3.05mm)
Overall contact length0.450\" (11.43mm)
Contact finish - matingGold or Gold, GXT™
Contact length - mating0.230\" (5.84mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating30.0µin (0.76µm)

Product details

Board Footprint and Pin Count

The 77313-118-50LF: This is the standard 0.025" square pin pattern that mates with IDC sockets, crimp receptacles, and BergStik-compatible female headers. That gold thickness supports repeated mating — in a test-lab or field-service board where the connector sees quarterly disconnect, the contact interface stays below the fretting threshold for decades.

Through-Hole Solder Termination Details

The post length is 0.120" (3.05mm) — enough to clear a 0.062" board and leave a visible solder fillet on the bottom side. Unshrouded push-pull fastening — no latch, no keying.

Frequently asked questions

What is the difference between 77313-118-50LF and 77313-118-26LF?

The only difference is the number of positions: 50 vs 26. Both are active, 2-row, 2.54mm pitch, unshrouded headers with gold mating finish and tin post finish. The 50-position variant uses the same 0.450" overall contact length and 0.120" post length.