
Overview
The FSMD300R is a resettable Fuse made by Fuzetec Tech in a 1812 package with 2 pins. -40℃~+85℃ 1.55mm 100A 12mΩ 1W 3.41mm 3A 4.73mm 40mΩ 4s 5A 6V 1812 Resettable Fuses ROHS.
PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library) and its footprint (Fuse:Fuse_1812_4532Metric, from KiCad's library), ready for a KiCad board. 1,519 are in stock at JLCPCB (part C181900).
Symbol
Footprint
Parameters
12- Current - Max
- 100A
- Height
- 1.55mm
- Hold Current
- 3A
- Length
- 4.73mm
- Operating Temperature
- -40℃~+85℃
- Power Dissipation
- 1W
- Resistance - Initial (Ri) (Min)
- 12mΩ
- Resistance - Post Trip (R1) (Max)
- 40mΩ
- Time to Trip(Max)
- 4s
- Trip Current
- 5A
- Voltage - Max
- 6V
- Width
- 3.41mm
Order codes
1- FSMD300RLCSC C181900
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
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Is there a KiCad symbol and footprint for the FSMD300R?
Yes. The symbol is Device:Polyfuse and the footprint Fuse:Fuse_1812_4532Metric, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the FSMD300R?
1812, with 2 pins. Its footprint is drawn on this page.
Where is the FSMD300R datasheet?
Fuzetec Tech publishes it: the Datasheet link on this page opens it.
Where can I order the FSMD300R?
JLCPCB lists it as part C181900, with 1,519 in stock; the sellers' links on this page open their listings.
What can replace the FSMD300R?
Parts like it in the library: the BSMD1812-200-30V by BHFUSE, the 1812L150/33GR by LUTE, the 1812L110/33GR by LUTE and the BSMD1812-150-33V by BHFUSE. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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