RXEF040-AP
Littelfuse Inc. RXEF040-AP
MPNRXEF040-AP
Active
$0.5100Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-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 | 800 mA |
| Current - hold (Ih) | 400 mA |
| Operating temperature | -40°C~85°C |
| Size (Dimension) | 0.299\" Dia x 0.118\" T (7.60mm x 3.00mm) |
| Height - seated | 0.532\" (13.50mm) |
| Approval agency | CQC, CSA, TUV, UL |
| Package | Cut Tape (CT); Tape & Box (TB) |
| Lead spacing | 0.199\" (5.05mm) |
| Time to trip | 3.8 s |
| Case | Radial, Disc |
| Resistance - initial (Ri) | 550 mOhms |
| Resistance - post trip (R1) | 1.29 Ohms |