2 layers109 × 71 mm
Overview
The K31 is a thermal Fuse made by SETsafe | SETfuse in a 插件,P=3.7mm package with 2 pins. 188℃ 2.3mm 218℃ 221℃ 250V 250℃ 2A 3.7mm 5.8mm K Plug-in 插件,P=3.7mm Thermal Fuses (TCO) ROHS.
PCBKit's library has its KiCad symbol (Device:Fuse, from KiCad's library) and its footprint (EasyEDA_Cloud:FUSE-TH_L5.8-W2.3-P3.70-D0.5, from EasyEDA), ready for a KiCad board. 2 are in stock at JLCPCB (part C22396308). 9 open-source boards in 7 repositories on GitHub use it.
Symbol
Footprint
Parameters
11- Current Rating
- 2A
- Holding Temperature
- 188℃
- Length
- 5.8mm
- Maximum Temperature Limit
- 250℃
- Operating Temperature
- 218℃
- Pitch
- 3.7mm
- Rated Functioning Temperature
- 221℃
- Series
- K
- Type
- Plug-in
- Voltage Rating
- 250V
- Width
- 2.3mm
Order codes
1Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Open-source boards using it
All 9- 2 layers298.8 × 122 mm
Ursaminor pcb
markstory/ursa-minor-keyboard
Design and schematics for the ursaminor keyboard
225 parts23 - 2 layers63 × 80 mm
- 2 layers285 × 116 mm
- 2 layers315 × 121 mm
- 2 layers89 × 130.9 mm
Macropad
alexBinos/Macropad
A 5x4 key macropad with rotary encoder, OLED display and per-key RGB lighting
178 parts - 2 layers298.8 × 122 mm
Ursaminor pcb
markstory/ursa-minor-keyboard
Design and schematics for the ursaminor keyboard
149 parts23 - 2 layers293.6 × 117.7 mm
Ursaminor pcb
markstory/ursa-minor-keyboard
Design and schematics for the ursaminor keyboard
215 parts23
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<iframe src="https://pcbkit.io/embed/parts/setsafe-setfuse/K31" title="K31 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/setsafe-setfuse/K31.jpg" alt="K31" width="1200" height="900">[](https://pcbkit.io/parts/setsafe-setfuse/K31)Questions
Is there a KiCad symbol and footprint for the K31?
Yes. The symbol is Device:Fuse and the footprint EasyEDA_Cloud:FUSE-TH_L5.8-W2.3-P3.70-D0.5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the K31?
插件,P=3.7mm, with 2 pins. Its footprint is drawn on this page.
Where is the K31 datasheet?
SETsafe | SETfuse publishes it: the Datasheet link on this page opens it.
Where can I order the K31?
JLCPCB lists it as part C22396308, with 2 in stock; the sellers' links on this page open their listings.
What can replace the K31?
Parts like it in the library: the K7 by SETsafe | SETfuse, the X4 by SETsafe | SETfuse, the X0 by SETsafe | SETfuse and the X18 by SETsafe | SETfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the K31?
9 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
K7
插件,P=3.7mm126℃ 145℃ 150℃ 2.3mm 200℃ 250V 2A 3.7mm 5.8mm 插件,P=3.7mm Thermal Fuses (TCO)SETsafe | SETfuseThermal Fuses (TCO)X4
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseX0
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseX18
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseK1
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseX2
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseX32
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuseK0
插件,P=3.7mmThermal Fuses (TCO)SETsafe | SETfuse