Littelfuse Inc. RUSBF155-2
MPNRUSBF155-2
Active
$0.6200Ref. 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®, RUSBF |
| Mounting | Through Hole |
| Voltage - max | 6V |
| Current - max | 40 A |
| Current - trip | 2.65 A |
| Current - hold (Ih) | 1.55 A |
| Operating temperature | -40°C ~ 85°C |
| Size (Dimension) | 0.272\" L x 0.122\" W (6.90mm x 3.10mm) |
| Height - seated | 0.461\" (11.70mm) |
| Approval agency | CSA, TUV, UL |
| Package | Tape & Reel (TR) Tape & Reel (TR) Cut Tape (CT) Cut Tape (CT) |
| Lead spacing | 0.200\" (5.08mm) |
| Time to trip | 2.2 s |
| Case | Radial, Disc |
| Resistance - initial (Ri) | 40 mOhms |
| Resistance - post trip (R1) | 100 mOhms |