25-Pin Unshrouded Header for Board-to-Board Stacking
The 77311-101-25LF: The contact finish on the solder tail is 78.7 µinch tin, which wets well in wave or hand-solder processes.
No stock-holding claim — the part is procured per RFQ.
77311-101-25LF Amphenol ICC (FCI) BERGSTIK® Header, 25 Pos
MPN77311-101-25LF
Active
Amphenol ICC (FCI) BERGSTIK® series, 25-position single-row unshrouded header, 0.100" (2.54 mm) pitch, through-hole solder termination, 3 A per contact, 30 µinch gold mating finish, UL94 V-0 black thermoplastic housing.
$1.4301Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent supplier — new & surplus connector stock· Listing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | BERGSTIK® |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Push-Pull |
| Current rating | 3A per Contact |
| Operating temperature | -65°C~125°C |
| Contact material | Phosphor Bronze |
| Insulation color | Black |
| Insulation height | 0.100\" (2.54mm) |
| Insulation material | Thermoplastic |
| Material flammability rating | UL94 V-0 |
All specifications
| Parameter | Value |
|---|---|
| Style | Board to Board |
| Package | Bulk |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 25 |
| Contact finish - post | Tin |
| Contact length - post | 0.095\" (2.41mm) |
| Overall contact length | 0.425\" (10.80mm) |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
Product details
Frequently asked questions
What is the pitch and position count of 77311-101-25LF?
The pitch is 0.100" (2.54 mm) and it has 25 positions, all loaded, in a single row. This is a standard footprint that mates with any 0.100" pitch receptacle accepting a 0.025" square pin.
Where can I buy 77311-101-25LF available via RFQ confirmation?
Availability and current pricing confirmed at quote time.