Overview
The LR4-730F is a resettable Fuse made by Littelfuse with 2 pins. 100A 15mΩ 20V 3.3W 6mΩ - Resettable Fuses ROHS.
PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1519309).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
5- Current - Max
- 100A
- Power Dissipation
- 3.3W
- Resistance - Initial (Ri) (Min)
- 6mΩ
- Resistance - Post Trip (R1) (Max)
- 15mΩ
- Voltage - Max
- 20V
Order codes
1- LR4-730FLCSC C1519309
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Questions
Is there a KiCad symbol and footprint for the LR4-730F?
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 LR4-730F datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the LR4-730F?
JLCPCB lists it as part C1519309, with 0 in stock; the sellers' links on this page open their listings.