17-Circuit KK 100 Header — Active and Orderable
The 22-28-4178: The breakway design lets you snap the header to the exact circuit count needed for the board position.
The Box package is the standard unit for this header.

Molex KK 100 header assembly, breakway style, 17 circuits, 30 µinch gold plating, Box package, ROHS3 compliant, Active production.
| Parameter | Value |
|---|---|
| Series | * |
| Package | Box |
The 22-28-4178: The breakway design lets you snap the header to the exact circuit count needed for the board position.
The Box package is the standard unit for this header.
Submit an RFQ with your target quantity; we confirm availability and current pricing at quote time. No stock-holding claim is made — each order is confirmed against the BOM line.
The primary difference is circuit count: 22-28-4178 is a 17-circuit header, while 22-28-4170 is a 10-circuit header. Both are KK 100 breakway style with 30 µinch gold plating and share the same 0.100-inch pitch. The 17-position version is the one to use when your BOM calls for 17 positions.