The 0.100" pitch and 0.100" row spacing place this header on a standard 2.54mm grid — the board footprint is a straightforward 2-row through-hole pattern with 70 plated holes. The 0.190" (4.83mm) mating pin length gives a solid wipe depth into the receptacle contact, and the 0.120" (3.05mm) solder post length is sized for standard 1.6mm-thick PCBs. The UL94 V-0 flammability rating on the black insulation body means the header is acceptable for equipment that requires a flame-retardant housing inside an enclosure — common in industrial and telecom applications where the connector sits on a backplane or I/O card.

Amphenol ICC BERGSTIK® II, 79425-170HLF, Board to Board Header, 70 Positions, 2 Rows, 0.100" (2.54mm) Pitch, Through Hole, Solder Termination, 30.0µin Gold Mating Contact Finish.
- 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.
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Specifications
| Parameter | Value |
|---|---|
| Series | BERGSTIK® II |
| Gender | Male Pin |
| Mounting type | Through Hole |
| Connector type | Header |
| Fastening type | Push-Pull |
| Voltage rating | 110V |
| Current rating | 5A |
| Contact material | Phosphor Bronze |
| Insulation color | Black |
| Insulation height | 0.100\" (2.54mm) |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board |
| Package | Bag |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 70 |
| Row spacing - mating | 0.100\" (2.54mm) |
| Contact length - post | 0.120\" (3.05mm) |
| Overall contact length | 0.410\" (10.41mm) |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.190\" (4.83mm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
Product details
Frequently asked questions
What is the pin count and pitch of 79425-170HLF?
The 79425-170HLF is a 70-position header with a 0.100" (2.54mm) pitch on both the row and column spacing, arranged in two rows.
What is the mating connector for 79425-170HLF?
The 79425-170HLF is an unshrouded male header — it mates with any BERGSTIK® II or compatible 0.100" pitch dual-row receptacle that accepts 0.025" square pins. The exact mating half depends on the required stack height and wire termination style.
Is 79425-170HLF RoHS compliant?
The 79425-170HLF is listed as RoHS compliant, suitable for assemblies that require RoHS conformance.