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95278-401A40LF — Amphenol product photo
Amphenol

95278-401A40LF BERGSTIK® Header 40 Pos 2.54mm SMT

MPN95278-401A40LF
Active

Amphenol ICC (FCI) BERGSTIK® unshrouded breakaway header, 40 positions, 2 rows, 0.100" (2.54 mm) pitch, tin-plated square pins, surface mount, pick-and-place compatible, UL94 V-0 black thermoplastic, rated 3 A per contact, -65°C to 125°C.

$1.5219Ref. 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.
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Specifications

95278-401A40LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
GenderMale Pin
Mounting typeSurface Mount
Connector typeHeader, Breakaway
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
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesPick and Place
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows2
Pitch0.100\" (2.54mm)
Positions40
Row spacing - mating0.100\" (2.54mm)
Contact finish - postTin
Contact finish - matingTin
Contact length - mating0.232\" (5.90mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating78.7µin (2.00µm)

Product details

The 95278-401A40LF: For applications requiring hundreds of cycles, a gold-plated sibling (e.g., 95278-101A08LF with 30 µin gold) would be the better choice.

Surface Mount Assembly and Pick-and-Place

The header is terminated by solder to surface-mount pads, and the package includes a pick-and-place feature for automated placement. The UL94 V-0 thermoplastic housing withstands reflow temperatures without deformation. The unshrouded profile means no extra z-height is consumed by a shroud, which helps in tight board-to-board spacing.

Peer Comparison: Gold vs Tin Mating Finish

The 95278-101A08LF is a direct peer from the same series with 8 positions and gold (GXT™) mating finish at 30 µin. The gold contact is rated for higher mating cycle life (500+ cycles) compared to the tin finish on the 95278-401A40LF. For a 40-position design that needs frequent board swaps, the gold version is the upgrade path — but the tin version is cost-effective for one-time or low-cycle assembly.

Frequently asked questions

Where can I buy 95278-401A40LF and how do I get a price?

The 95278-401A40LF is sourced through independent distribution. No stock-holding claim is made; each order is sourced per request.

What is the closest functional second-source or alternative for 95278-401A40LF?

The 95278-101A08LF is a lower-position (8) sibling with gold plating; the 95293-401A04LF is a single-row, 4-position version with tin. Neither is a direct pin-for-pin replacement for the 40-position dual-row header.