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MF-R040 on a board, in 3D

MF-R040

Bourns

-40℃~+85℃ 1.29Ω 3.8s 400mA 40A 520mΩ 550mW 60V 800mA 插件,P=5.1mm Resettable Fuses ROHS

Extended
DatasheetJLCPCBLCSCbourns/MF-R040
Category
Resettable Fuses
Package
插件,P=5.1mm
Pins
2

Overview

The MF-R040 is a resettable Fuse made by Bourns in a 插件,P=5.1mm package with 2 pins. -40℃~+85℃ 1.29Ω 3.8s 400mA 40A 520mΩ 550mW 60V 800mA 插件,P=5.1mm Resettable Fuses ROHS.

PCBKit's library has its KiCad symbol (Device:Polyfuse, from KiCad's library) and its footprint (EasyEDA_Cloud:FUSE-TH_L7.4-W3.1-P5.10-D0.6-S1.00, from EasyEDA), ready for a KiCad board. 17,599 are in stock at JLCPCB (part C208475).

Symbol

Device:PolyfuseFrom KiCad's library

Footprint

12
EasyEDA_Cloud:FUSE-TH_L7.4-W3.1-P5.10-D0.6-S1.00From EasyEDA

Parameters

9
Current - Max
40A
Hold Current
400mA
Operating Temperature
-40℃~+85℃
Power Dissipation
550mW
Resistance - Initial (Ri) (Min)
520mΩ
Resistance - Post Trip (R1) (Max)
1.29Ω
Time to Trip(Max)
3.8s
Trip Current
800mA
Voltage - Max
60V

Order codes

1

Pinout

2
The pins of the MF-R040
PinNameType
1—Passive
2—Passive

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A picture that opens the part, for a README
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Questions

Is there a KiCad symbol and footprint for the MF-R040?

Yes. The symbol is Device:Polyfuse and the footprint EasyEDA_Cloud:FUSE-TH_L7.4-W3.1-P5.10-D0.6-S1.00, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MF-R040?

插件,P=5.1mm, with 2 pins. Its footprint is drawn on this page.

Where is the MF-R040 datasheet?

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

Where can I order the MF-R040?

JLCPCB lists it as part C208475, with 17,599 in stock; the sellers' links on this page open their listings.

What can replace the MF-R040?

Parts like it in the library: the A72-030 by Shenzhen JDT Fuse, the MF-RM012/240-2 by Bourns, the BK60-040-DZ-E0.5 by Brightking and the BK60-050-DI by Brightking. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

7