Molex KK254 4455 series, 4-position bottom-entry receptacle, 0.100" (2.54 mm) pitch, 2.5 A per contact, 250 VAC, through-hole solder termination, gold-plated mating surface, board hooks, UL94 V-0 nylon housing, white.
| Parameter | Value |
|---|---|
| Series | KK254, 4455 |
| Gender | Non-Gendered |
| Mounting type | Through Hole |
| Connector type | Receptacle, Bottom Entry |
| Fastening type | Push-Pull |
| Voltage rating | 250VAC |
| Current rating | 2.5A |
| Operating temperature | -40°C ~ 80°C |
| Contact material | Brass |
| Insulation color | White |
| Insulation height | 0.311\" (7.90mm) |
| Insulation material | Polyamide (PA), Nylon |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board or Cable |
| Package | Tray |
| Features | Board Hooks |
| Termination | Solder |
| Applications | Automotive, General Purpose, Medical, Telecommunications |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 4 |
| Contact finish - post | Tin |
| Contact length - post | 0.132\" (3.35mm) |
| Contact finish - mating | Gold |
| Contact finish thickness - post | 50.0µin (1.27µm) |
| Contact finish thickness - mating | 15.0µin (0.38µm) |
The 0022173042: The bottom-entry orientation means the mating header inserts from the opposite side of the PCB, which is useful when the cable or board-to-board connection needs to sit flush against the board surface.
Through-hole termination with a 0.132" (3.35 mm) post length — the board thickness and the solder fillet height need to stay within that tail length for a reliable joint.
We source this active-production part per RFQ. Submit a request with your BOM quantity and target lead time; we confirm availability and current pricing at quote.
This bottom-entry receptacle mates with any KK254 0.100" pitch single-row pin header. The board hooks and push-pull fastening are on the receptacle side; the header provides the mating pins.
Yes, it carries ROHS3 compliance status.