
Overview
The B18 is a thermal Fuse made by SETsafe | SETfuse in a 插件,D3xL10mm package with 2 pins.
PCBKit's library has its KiCad symbol (Device:Fuse, from KiCad's library), ready for a KiCad board. 2,830 are in stock at JLCPCB (part C3032532). 3 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
9- Current Rating
- 3A
- Diameter (φD)
- 3mm
- Holding Temperature
- 61℃
- Length
- 10mm
- 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 3- 4 layers260 × 260 mm

- 4 layers103.5 × 48.3 mm

ButtonBd2
frc971/electrical
This repo contains the electrical files for the 971 FRC team. The files include PCBs and the electrical system diagrams. The PCBs are created using KiCad.
165 parts3Apache-2.0 - 2 layers239.8 × 148.8 mm

Questions
Is there a KiCad symbol and footprint for the B18?
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 B18?
插件,D3xL10mm, with 2 pins.
Where is the B18 datasheet?
SETsafe | SETfuse publishes it: the Datasheet link on this page opens it.
Where can I order the B18?
JLCPCB lists it as part C3032532, with 2,830 in stock; the sellers' links on this page open their listings.
What can replace the B18?
Parts like it in the library: the B1 by SETsafe | SETfuse, the D2-115C 5A250V by Hongda, the B7 by SETsafe | SETfuse and the B2 by SETsafe | SETfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the B18?
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
7B1
插件,D3xL10mmThermal Fuses (TCO)SETsafe | SETfuseD2-115C 5A250V
插件,D3xL10mmThermal Fuses (TCO)HongdaB7
插件,D3xL10mmThermal Fuses (TCO)SETsafe | SETfuseB2
插件,D3xL10mmThermal Fuses (TCO)SETsafe | SETfuseD3-125C 5A250V
插件,D3xL10mmThermal Fuses (TCO)HongdaTL130
插件,D3xL10mmPlugin,D3xL10mm Thermal Fuses (TCO) ROHSShenzhen lanson ElecThermal Fuses (TCO)D9-145C 5A250V
插件,D3xL10mmPlugin,D3xL10mm Thermal Fuses (TCO) ROHSHongdaThermal Fuses (TCO)