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Amphenol 77311-818-31LF — Pin Headers, Sockets & Housings

77311-818-31LF BERGSTIK® Header, 31 Pos, 0.100" Pitch

MPN77311-818-31LF
Active

Amphenol ICC (FCI) BERGSTIK® unshrouded header, 31 positions, single row, 0.100" (2.54mm) pitch, through-hole solder termination, gold or Gold, GXT™ mating finish, rated 3 A per contact, -65°C~125°C operating range.

$1.4057Ref. price · indicative, final on quote
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.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

77311-818-31LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
TypeMale Pin
MountingThrough Hole
Connector typeHeader
Fastening typePush-Pull
Current rating3A per Contact
Operating temperature-65°C~125°C
Contact materialPhosphor Bronze
Insulation colorBlack
Insulation height0.100\" (2.54mm)
Insulation materialThermoplastic
Material flammability ratingUL94 V-0
StyleBoard to Board
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions31
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 - mating15.0µin (0.38µm)

Product details

The 77311-818-31LF: The square male pins accept standard crimp or IDC receptacles with 0.025" square contacts. The 3 A rating is at ambient; derate current above 25°C per the product drawing's derating curve.

The base product number 77311 covers the full BERGSTIK® family; the 31-position variant is specific to this suffix.

Frequently asked questions

Where can I buy 77311-818-31LF and how do I get a price?

No stock-holding claim is made — each order is sourced per the BOM line.

What is the closest pin-compatible alternative to 77311-818-31LF in this Pin Headers, Sockets & Housings family?

The 31-position count is specific to this suffix; other BERGSTIK® headers in the 77311 base series have different position counts or row configurations. Confirm the exact mating half before substituting.