Skip to the content
PCBKitNew board
MF-R250 on a board, in 3D

MF-R250

Bourns

-40℃~+85℃ 1.2W 10.3s 12mm 2.5A 25mΩ 30V 40A 5A 70mΩ 插件 Resettable Fuses ROHS

Extended
DatasheetJLCPCBLCSCbourns/MF-R250
Category
Resettable Fuses
Package
插件
Pins
2

Overview

The MF-R250 is a resettable Fuse made by Bourns in a 插件 package with 2 pins. -40℃~+85℃ 1.2W 10.3s 12mm 2.5A 25mΩ 30V 40A 5A 70mΩ 插件 Resettable Fuses ROHS.

PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library) and its footprint (EasyEDA_Cloud:FUSE-TH_L12.8-W3.0-P5.80-D1.2-S2.20, from EasyEDA), ready for a KiCad board. 2,553 are in stock at JLCPCB (part C208486). 4 open-source boards in 4 repositories on GitHub use it.

Symbol

Device:PolyfuseFrom KiCad's library

Footprint

12
EasyEDA_Cloud:FUSE-TH_L12.8-W3.0-P5.80-D1.2-S2.20From EasyEDA

Parameters

10
Current - Max
40A
Hold Current
2.5A
Length
12mm
Operating Temperature
-40℃~+85℃
Power Dissipation
1.2W
Resistance - Initial (Ri) (Min)
25mΩ
Resistance - Post Trip (R1) (Max)
70mΩ
Time to Trip(Max)
10.3s
Trip Current
5A
Voltage - Max
30V

Order codes

1

Pinout

2
The pins of the MF-R250
PinNameType
1—Passive
2—Passive

Open-source boards using it

All 4
  • 2 layers90 × 70 mmMidi s3 mini, the printed circuit board in 3D

    Midi s3 mini

    usr-ein/TriMixxx

    Open source standalone DJ multimedia player, compatible with Rekordbox

    102 parts44GPL-3.0
  • 2 layers50 × 50 mmMotor driver, the printed circuit board in 3D

    Motor driver

    Dhruv2212-star/Motor-driver

    it is a very simple motor driver that will recive the data from another micro-controller

    14 parts
  • 4 layers152.4 × 96.5 mmFdmbox pcb tiny, the printed circuit board in 3D

    Fdmbox pcb tiny

    gdck/fdmbox_pcb_tiny

    Tiny PCB for a great FDM 3d printer

    132 partsGPL-3.0
  • 2 layers170 × 105 mmSsio check, the printed circuit board in 3D

    Ssio check

    paulbruneau/ssio-check

    A bench tester for the Bally/Midway MCR Sound I/O family: the 90908 Sound I/O and the 90913 / 91483 / 91657 Super Sound I/O (Z80, two AY-3-8910s, and all of the game's input ports).

    72 parts

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/bourns/MF-R250" title="MF-R250 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/bourns/MF-R250.jpg" alt="MF-R250" width="1200" height="900">
A picture that opens the part, for a README
[![MF-R250](https://pcbkit.io/embed/parts/bourns/MF-R250.jpg?size=s)](https://pcbkit.io/parts/bourns/MF-R250)

Questions

Is there a KiCad symbol and footprint for the MF-R250?

Yes. The symbol is Device:Polyfuse and the footprint EasyEDA_Cloud:FUSE-TH_L12.8-W3.0-P5.80-D1.2-S2.20, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MF-R250?

插件, with 2 pins. Its footprint is drawn on this page.

Where is the MF-R250 datasheet?

Bourns publishes it: the Datasheet link on this page opens it.

Where can I order the MF-R250?

JLCPCB lists it as part C208486, with 2,553 in stock; the sellers' links on this page open their listings.

What can replace the MF-R250?

Parts like it in the library: the RXEF110 by Littelfuse, the RXEF110-2 by Littelfuse and the RF2623-000 by Littelfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MF-R250?

4 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

3