
Overview
The H18 is a thermal Fuse made by SETsafe | SETfuse in a 插件,D2.5xL9mm package with 2 pins.
PCBKit's library has its KiCad symbol (Device:Fuse, from KiCad's library), ready for a KiCad board. 225 are in stock at JLCPCB (part C3032524). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
8- Current Rating
- 2A
- Diameter (φD)
- 2.5mm
- Holding Temperature
- 61℃
- Maximum Temperature Limit
- 200℃
- Operating Temperature
- 81℃
- Rated Functioning Temperature
- 86℃
- Type
- Axial
- Voltage Rating
- 250V
Order codes
1Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Open-source boards using it
All 1- 2 layers81 × 111 mm

Questions
Is there a KiCad symbol and footprint for the H18?
Yes. The symbol is Device:Fuse, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the H18?
插件,D2.5xL9mm, with 2 pins.
Where is the H18 datasheet?
SETsafe | SETfuse publishes it: the Datasheet link on this page opens it.
Where can I order the H18?
JLCPCB lists it as part C3032524, with 225 in stock; the sellers' links on this page open their listings.
What can replace the H18?
Parts like it in the library: the B6 by SETsafe | SETfuse, the B0 by SETsafe | SETfuse, the H2 by SETsafe | SETfuse and the H4 by SETsafe | SETfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the H18?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8B6
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseB0
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH2
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH4
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH6
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH7
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH8
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuseH1
插件,D2.5xL9mmThermal Fuses (TCO)SETsafe | SETfuse