Littelfuse Inc. RXEF300K-2
MPNRXEF300K-2
Active
$1.0700Ref. 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 | 6 A |
| Current - hold (Ih) | 3 A |
| Operating temperature | -40°C ~ 85°C |
| Size (Dimension) | 0.910\" Dia x 0.118\" T (23.11mm x 3.00mm) |
| Height - seated | 1.154\" (29.30mm) |
| Approval agency | CQC, CSA, TUV, UL |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Lead spacing | 0.400\" (10.15mm) |
| Time to trip | 19.8 s |
| Case | Radial, Disc |
| Resistance - initial (Ri) | 40 mOhms |
| Resistance - post trip (R1) | 100 mOhms |