Overview
The RUSB250 is a resettable Fuse made by Littelfuse with 2 pins. 1.2W 16V 2.5A 20mΩ 40A 40s 40Ω 5A - Resettable Fuses.
PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19429206).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
8- Current - Max
- 40A
- Hold Current
- 2.5A
- Power Dissipation
- 1.2W
- Resistance - Initial (Ri) (Min)
- 20mΩ
- Resistance - Post Trip (R1) (Max)
- 40Ω
- Time to Trip(Max)
- 40s
- Trip Current
- 5A
- Voltage - Max
- 16V
Order codes
1- RUSB250LCSC C19429206
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Questions
Is there a KiCad symbol and footprint for the RUSB250?
Yes. The symbol is Device:Polyfuse, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the RUSB250 datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the RUSB250?
JLCPCB lists it as part C19429206, with 0 in stock; the sellers' links on this page open their listings.