The 0022053181: The solder-tail posts measure 0.141" (3.58 mm) long, suitable for standard through-hole PCB thicknesses. The mating contact length is 0.264" (6.70 mm), providing ample wipe for a clean electrical connection.
Molex 0022053181 KK254 Header, 18 Pos, 2.54mm, R/A
MPN0022053181
Active
Molex KK254/7478 series, 18-position single-row header, 0.100" (2.54mm) pitch, right-angle through-hole, shrouded 1-wall, friction lock, tin-plated contacts, UL94 V-0 nylon housing.
$1.5900Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesKK254, 7478
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | KK254, 7478 |
| Type | Male Pin |
| Mounting | Through Hole, Right Angle |
| Connector type | Header |
| Fastening type | Friction Lock |
| Contact material | Brass |
| Insulation color | White |
| Insulation height | 0.256\" (6.50mm) |
| Insulation material | Polyamide (PA), Nylon |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board or Cable |
| Package | Bulk |
All specifications
| Parameter | Value |
|---|---|
| Shrouding | Shrouded - 1 Wall |
| Termination | Solder |
| Applications | Automotive, General Purpose, Medical, Telecommunications |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 18 |
| Contact finish - post | Tin |
| Contact length - post | 0.141\" (3.58mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.264\" (6.70mm) |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 100.0µin (2.54µm) |
Product details
Frequently asked questions
Where can I buy Molex 0022053181 and what is the lead time?
Submit a BOM quantity for a current sourcing quote.
What is the pitch of Molex 0022053181?
The pitch is 0.100" (2.54 mm), which is the standard spacing for KK254 series headers and compatible with common prototyping grids and mating receptacles.
Is 0022053181 shrouded and does it have a lock?
This is a key feature for automotive and industrial environments.