Littelfuse Inc. RXEF250K
MPNRXEF250K
Active
$0.8200Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Polymeric |
| Series | PolySwitch®, RXEF |
| Mounting | Through Hole |
| Voltage - max | 72V |
| Current - max | 40 A |
| Current - trip | 5 A |
| Current - hold (Ih) | 2.5 A |
| Operating temperature | -40°C~85°C |
| Size (Dimension) | 0.785\" Dia x 0.118\" T (19.93mm x 3.00mm) |
| Height - seated | 1.032\" (26.20mm) |
| Approval agency | CQC, CSA, TUV, UL |
| Package | Bag |
| Lead spacing | 0.400\" (10.15mm) |
| Time to trip | 15.6 s |
| Case | Radial, Disc |
| Resistance - initial (Ri) | 50 mOhms |
| Resistance - post trip (R1) | 130 mOhms |