Pitch and Pin Count Drive the Footprint
The 77311-827-23LF: With 23 positions all loaded and a single-row layout, the header occupies a board footprint 2.34" (59.4 mm) wide from centre of first to centre of last pin.

Amphenol ICC (FCI) BERGSTIK® board-to-board header, 23 positions, 0.100" (2.54 mm) pitch, unshrouded, through-hole, male pin, 3 A per contact, gold or GXT™ mating finish, tin post, UL94 V-0.
| 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 |
| Style | Board to Board |
| Package | Bag |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 23 |
| Contact finish - post | Tin |
| Contact length - post | 0.105\" (2.67mm) |
| Overall contact length | 0.465\" (11.81mm) |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.260\" (6.60mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 15.0µin (0.38µm) |
The 77311-827-23LF: With 23 positions all loaded and a single-row layout, the header occupies a board footprint 2.34" (59.4 mm) wide from centre of first to centre of last pin.
Buyers need to confirm the part matches their PCB layout requirements for number of connections and spacing.
Determines if the header has a plastic shroud for keying and protection, affecting mating connector choice.
Essential for regulatory compliance and avoiding supply chain issues for lead-free manufacturing.
Buyers need to source the part quickly at the best cost, so distributor stock and price are critical.
Ensures compatibility with the counterpart socket or header for reliable board-to-board connections.
Helps buyers find substitutes if the part is out of stock or to compare pricing and availability.