22-Pin Right-Angle Breakaway Header
Tin-Plated Contacts for Moderate-Duty Interconnect
The square pin profile (0.025" square typical for KK254) provides reliable contact with standard crimp receptacles and IDC connectors in the same pitch family.

Molex KK254, 42376 series, 22-position single-row unshrouded header, 0.100" (2.54 mm) pitch, right-angle through-hole, tin-plated square pins, UL94 V-0 black nylon, bulk pack.
| Parameter | Value |
|---|---|
| Series | KK254, 42376 |
| Type | Male Pin |
| Mounting | Through Hole, Right Angle |
| Connector type | Header, Breakaway |
| Fastening type | Push-Pull |
| Insulation color | Black |
| Insulation height | 0.090\" (2.29mm) |
| Insulation material | Polyamide (PA), Nylon, Glass Filled |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board or Cable |
| Package | Bulk |
| Shrouding | Unshrouded |
| Parameter | Value |
|---|---|
| Termination | Solder |
| Applications | Automotive, General Purpose, Medical, Telecommunications |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 22 |
| Contact finish - post | Tin |
| Contact length - post | 0.120\" (3.05mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.361\" (9.17mm) |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 100.0µin (2.54µm) |
The square pin profile (0.025" square typical for KK254) provides reliable contact with standard crimp receptacles and IDC connectors in the same pitch family.
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Immediate availability affects production timelines and purchasing decisions.
Engineers need specifications to validate fit and electrical compatibility.
Designers require pinout details for PCB layout and connection mapping.
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