MF-R300

Bourns

-40℃~+85℃ 10.8s 20mΩ 2W 30V 3A 40A 6A 80mΩ 插件 Resettable Fuses ROHS

Extended

Datasheetbourns/MF-R300

Category: Resettable Fuses
Package: 插件
Pins: 2

Overview

The MF-R300 is a resettable Fuse made by Bourns in a 插件 package with 2 pins. -40℃~+85℃ 10.8s 20mΩ 2W 30V 3A 40A 6A 80mΩ 插件 Resettable Fuses ROHS.

PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library) and its footprint (EasyEDA_Pro:fuse-th_l12.8-w3.0-p5.80-d1.2-s2.20, from EasyEDA Pro), ready for a KiCad board. 3,690 are in stock at JLCPCB (part C208487). 5 open-source boards in 3 repositories on GitHub use it.

Symbol

Device:PolyfuseFrom KiCad's library

Footprint

EasyEDA_Pro:fuse-th_l12.8-w3.0-p5.80-d1.2-s2.20From EasyEDA Pro

Parameters

Current - Max: 40A
Hold Current: 3A
Operating Temperature: -40℃~+85℃
Power Dissipation: 2W
Resistance - Initial (Ri) (Min): 20mΩ
Resistance - Post Trip (R1) (Max): 80mΩ
Time to Trip(Max): 10.8s
Trip Current: 6A
Voltage - Max: 30V

Order codes

MF-R300LCSC C208487

Pinout

The pins of the MF-R300
Pin	Name	Type
1	—	Passive
2	—	Passive

Open-source boards using it

All 5

4 layers140 × 85 mm
Sapling test board
jyelewis/sapling-cpu
A from-scratch 8-bit computer: motherboard PBC, verilog cpu, operating system, and programs
33 parts
2 layers100 × 100 mm
FV CTRL RevB
Masterltb/pcb
Nguồn trong thư mục này được giữ để tra cứu và bảo toàn công việc cũ. Không dùng thay cho RevB. Một số file có sửa đổi cục bộ chưa commit từ trước đợt sắp xếp; các thay đổi đó được giữ nguyên nội dung, chưa được kiểm…
152 parts
2 layers50 × 50 mm
Bus power
waynegramlich/bus_power
PCB that provides power to bus modules
18 parts
2 layers100 × 100 mm
FV CTRL RevA2
Masterltb/pcb
Nguồn trong thư mục này được giữ để tra cứu và bảo toàn công việc cũ. Không dùng thay cho RevB. Một số file có sửa đổi cục bộ chưa commit từ trước đợt sắp xếp; các thay đổi đó được giữ nguyên nội dung, chưa được kiểm…
80 parts
2 layers50 × 50 mm
Bus power
waynegramlich/bus_power
PCB that provides power to bus modules
18 parts

Show this part on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/parts/bourns/MF-R300" title="MF-R300 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-R300.jpg" alt="MF-R300" width="1200" height="900">

A picture that opens the part, for a README

[![MF-R300](https://pcbkit.io/embed/parts/bourns/MF-R300.jpg?size=s)](https://pcbkit.io/parts/bourns/MF-R300)

Questions

Is there a KiCad symbol and footprint for the MF-R300?

Yes. The symbol is Device:Polyfuse and the footprint EasyEDA_Pro: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-R300?

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

Where is the MF-R300 datasheet?

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

Where can I order the MF-R300?

JLCPCB lists it as part C208487, with 3,690 in stock; the sellers' links on this page open their listings.

Which open-source boards use the MF-R300?

5 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.