Resettable Fuses - PPTC – Mouser United Kingdom

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MF-R Multifuse® PTC Resettable Fuses

Bourns MF-R Multifuse® PTC Resettable Fuses provide load protection almost anywhere there is a low-voltage power supply, including computers and peripherals, general electronics, and automotive applications. Bourns MF-R fuses feature radial leads and cured, flame-retardant epoxy polymer insulation that meets UL 94V-0 requirements. These fuses are RoHS compliant and halogen free.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Minimum Operating Temperature	Maximum Operating Temperature	Lead Spacing	Packaging
Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX MF-R110 Bourns 1: £0.30 10,380In Stock	Mfr. Part No. MF-R110 Mouser Part No 652-MFR110	Bourns	Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX Learn More about Bourns mf r	Datasheet	10,380In Stock	£0.30 £0.272 £0.226 £0.208 View £0.187 £0.165 £0.154 £0.133 £0.132	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	1.1 A	30 VDC	2.2 A	40 A	180 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 1.6A-HD 40A MAX MF-R160 Bourns 1: £0.33 9,416In Stock	Mfr. Part No. MF-R160 Mouser Part No 652-MFR160	Bourns	Resettable Fuses - PPTC 30V 1.6A-HD 40A MAX Learn More about Bourns mf r	Datasheet	9,416In Stock	£0.33 £0.28 £0.24 £0.225 View £0.21 £0.184 £0.172 £0.152	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	1.6 A	30 VDC	3.2 A	40 A	105 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX MF-R185 Bourns 1: £0.346 12,616In Stock	Mfr. Part No. MF-R185 Mouser Part No 652-MFR185	Bourns	Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX Learn More about Bourns mf r	Datasheet	12,616In Stock	£0.346 £0.314 £0.261 £0.241 View £0.217 £0.20 £0.193	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	1.85 A	30 VDC	3.7 A	40 A	70 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX MF-R250 Bourns 1: £0.368 8,250In Stock 12,000Expected 05/01/2027	Mfr. Part No. MF-R250 Mouser Part No 652-MFR250	Bourns	Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	8,250In Stock 12,000Expected 05/01/2027	£0.368 £0.335 £0.278 £0.257 View £0.231 £0.213 £0.196 £0.163	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	2.5 A	30 VDC	5 A	40 A	48 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 4A-HD 40A MAX MF-R400 Bourns 1: £0.39 8,053In Stock	Mfr. Part No. MF-R400 Mouser Part No 652-MFR400	Bourns	Resettable Fuses - PPTC 30V 4A-HD 40A MAX Learn More about Bourns mf r	Datasheet	8,053In Stock	£0.39 £0.346 £0.295 £0.272 View £0.245 £0.227 £0.209 £0.173	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	4 A	30 VDC	8 A	40 A	30 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 5A-HD 40A MAX MF-R500 Bourns 1: £0.413 7,634In Stock	Mfr. Part No. MF-R500 Mouser Part No 652-MFR500	Bourns	Resettable Fuses - PPTC 30V 5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	7,634In Stock	£0.413 £0.378 £0.313 £0.289 View £0.26 £0.24 £0.223 £0.182	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	5 A	30 VDC	10 A	40 A	30 mOhms	- 40 C	+ 85 C	10.2 mm	Bulk
Resettable Fuses - PPTC 30V 6A-HD 40A MAX MF-R700 Bourns 1: £0.533 5,424In Stock	Mfr. Part No. MF-R700 Mouser Part No 652-MFR700	Bourns	Resettable Fuses - PPTC 30V 6A-HD 40A MAX Learn More about Bourns mf r	Datasheet	5,424In Stock	£0.533 £0.491 £0.407 £0.375 View £0.338 £0.313 £0.281 £0.237	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	7 A	30 VDC	14 A	40 A	20 mOhms	- 40 C	+ 85 C	10.2 mm	Bulk
Resettable Fuses - PPTC 30V 8A-HD 40A MAX MF-R800 Bourns 1: £0.555 4,383In Stock	Mfr. Part No. MF-R800 Mouser Part No 652-MFR800	Bourns	Resettable Fuses - PPTC 30V 8A-HD 40A MAX Learn More about Bourns mf r	Datasheet	4,383In Stock	£0.555 £0.512 £0.424 £0.391 View £0.352 £0.326 £0.30 £0.249 £0.247	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	8 A	30 VDC	16 A	40 A	20 mOhms	- 40 C	+ 85 C	10.2 mm	Bulk
Resettable Fuses - PPTC 60V .2A-HD 40A MAX MF-R020-2 Bourns 1: £0.30 10,869In Stock	Mfr. Part No. MF-R020-2 Mouser Part No 652-MF-R020-2	Bourns	Resettable Fuses - PPTC 60V .2A-HD 40A MAX Learn More about Bourns mf r	Datasheet	10,869In Stock	Cut Tape £0.30 £0.272 £0.226 £0.208 Reel £0.141 View £0.187 £0.173 £0.159 £0.132	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	200 mA	60 VDC	400 mA	40 A	2.84 Ohms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 0.2A 60V RADIAL LEADED MF-R020-AP Bourns 1: £0.405 112In Stock	Mfr. Part No. MF-R020-AP Mouser Part No 652-MF-R020-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.2A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	112In Stock	£0.405 £0.316 £0.265 £0.242 View Reel £0.153 £0.217 £0.201 £0.185 £0.17 £0.153	Min.: 1 Mult.: 1 : 4,000	MF-R	PCB Mount	Radial	200 mA	60 VDC	400 mA	40 A	2.84 Ohms	- 40 C	+ 85 C	5.1 mm	Ammo Pack
Resettable Fuses - PPTC PTC RESETTABLE 0.3A 60V RADIAL LEADED MF-R030-2 Bourns 1: £0.30 2,811In Stock 9,000Expected 19/11/2026	Mfr. Part No. MF-R030-2 Mouser Part No 652-MF-R030-2	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.3A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	2,811In Stock 9,000Expected 19/11/2026	Cut Tape £0.30 £0.251 £0.213 £0.196 View Reel £0.138 £0.178 £0.166 £0.154 £0.138	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	300 mA	60 VDC	600 mA	40 A	1.36 Ohms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 0.5A 60V RADIAL LEADED MF-R050-0-17 Bourns 1: £0.436 2,876In Stock	Mfr. Part No. MF-R050-0-17 Mouser Part No 652-MF-R050-0-17	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.5A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	2,876In Stock	£0.436 £0.343 £0.289 £0.263 View £0.237 £0.217 £0.201 £0.185 £0.166	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	500 mA	60 VDC	1 A	40 A	770 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 60V .5A-HD 40A MAX MF-R050-2 Bourns 1: £0.353 7,323In Stock	Mfr. Part No. MF-R050-2 Mouser Part No 652-MF-R050-2	Bourns	Resettable Fuses - PPTC 60V .5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	7,323In Stock	Cut Tape £0.353 £0.299 £0.259 £0.235 Reel £0.165 View £0.212 £0.196 £0.18 £0.153	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	500 mA	60 VDC	1 A	40 A	770 mOhms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 0.5A 60V RADIAL LEADED MF-R050-AP Bourns 1: £0.405 1,714In Stock	Mfr. Part No. MF-R050-AP Mouser Part No 652-MF-R050-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.5A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	1,714In Stock	£0.405 £0.308 £0.259 £0.235 View Reel £0.167 £0.212 £0.196 £0.18 £0.167 £0.167	Min.: 1 Mult.: 1 : 4,000	MF-R	PCB Mount	Radial	500 mA	60 VDC	1 A	40 A	770 mOhms	- 40 C	+ 85 C	5.1 mm	Ammo Pack
Resettable Fuses - PPTC PTC RESETTABLE 1.1A 30V RADIAL LEADED MF-R110-0-17 Bourns 1: £0.405 2,148In Stock	Mfr. Part No. MF-R110-0-17 Mouser Part No 652-MF-R110-0-17	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 1.1A 30V RADIAL LEADED Learn More about Bourns mf r	Datasheet	2,148In Stock	£0.405 £0.308 £0.259 £0.235 View £0.215 £0.196 £0.18 £0.165 £0.148	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	1.1 A	30 VDC	2.2 A	40 A	180 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC PTC RESETTABLE 1.1A 30V RADIAL LEADED MF-R110-AP Bourns 1: £0.405 1,039In Stock	Mfr. Part No. MF-R110-AP Mouser Part No 652-MF-R110-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 1.1A 30V RADIAL LEADED Learn More about Bourns mf r	Datasheet	1,039In Stock	£0.405 £0.308 £0.259 £0.235 £0.221 Reel £0.221	Min.: 1 Mult.: 1 : 4,000	MF-R	PCB Mount	Radial	1.1 A	30 VDC	2.2 A	40 A	180 mOhms	- 40 C	+ 85 C	5.1 mm	Ammo Pack
Resettable Fuses - PPTC 16V 11A-HD 100A MAX MF-R1100 Bourns 1: £0.751 3,754In Stock	Mfr. Part No. MF-R1100 Mouser Part No 652-MF-R1100	Bourns	Resettable Fuses - PPTC 16V 11A-HD 100A MAX Learn More about Bourns mf r	Datasheet	3,754In Stock	£0.751 £0.613 £0.533 £0.471 View £0.459 £0.391 £0.368 £0.317 £0.309	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	11 A	16 VDC	22 A	100 A	10 mOhms	- 40 C	+ 85 C	10.2 mm	Bulk
Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX MF-R135-2 Bourns 1: £0.39 7,291In Stock	Mfr. Part No. MF-R135-2 Mouser Part No 652-MF-R135-2	Bourns	Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX Learn More about Bourns mf r	Datasheet	7,291In Stock	Cut Tape £0.39 £0.299 £0.251 £0.228 View Reel £0.192 £0.206 £0.192 £0.192	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	1.35 A	30 VDC	2.7 A	40 A	115 mOhms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 1.6A 30V RADIAL LEADED MF-R160-2 Bourns 1: £0.48 3,808In Stock	Mfr. Part No. MF-R160-2 Mouser Part No 652-MF-R160-2	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 1.6A 30V RADIAL LEADED Learn More about Bourns mf r	Datasheet	3,808In Stock	Cut Tape £0.48 £0.384 £0.324 £0.294 Reel £0.207 View £0.265 £0.244 £0.225 £0.185	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	1.6 A	30 VDC	3.2 A	40 A	105 mOhms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX MF-R185-2 Bourns 1: £0.353 2,957In Stock	Mfr. Part No. MF-R185-2 Mouser Part No 652-MF-R185-2	Bourns	Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX Learn More about Bourns mf r	Datasheet	2,957In Stock	Cut Tape £0.353 £0.325 £0.271 £0.25 Reel £0.161 View £0.224 £0.207 £0.182 £0.159	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	1.85 A	30 VDC	3.7 A	40 A	70 mOhms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX MF-R250-2 Bourns 1: £0.465 2,878In Stock	Mfr. Part No. MF-R250-2 Mouser Part No 652-MF-R250-2	Bourns	Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	2,878In Stock	Cut Tape £0.465 £0.369 £0.311 £0.303 Reel £0.265 £0.262	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	2.5 A	30 VDC	5 A	40 A	48 mOhms	- 40 C	+ 85 C	5.1 mm	Reel, Cut Tape
Resettable Fuses - PPTC 30V 4A-HD 40A MAX MF-R400-0-14 Bourns 1: £0.496 2,088In Stock	Mfr. Part No. MF-R400-0-14 Mouser Part No 652-MF-R400-0-14	Bourns	Resettable Fuses - PPTC 30V 4A-HD 40A MAX Learn More about Bourns mf r	Datasheet	2,088In Stock	£0.496 £0.394 £0.332 £0.303 View £0.264 £0.223 £0.194 £0.176	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	4 A	30 VDC	8 A	40 A	30 mOhms	- 40 C	+ 85 C	5.1 mm	Bulk
Resettable Fuses - PPTC 30V 5A-HD 40A MAX MF-R500-2 Bourns 1: £0.436 1,563In Stock 6,000Expected 22/12/2026	Mfr. Part No. MF-R500-2 Mouser Part No 652-MF-R500-2	Bourns	Resettable Fuses - PPTC 30V 5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	1,563In Stock 6,000Expected 22/12/2026	Cut Tape £0.436 £0.398 £0.33 £0.305 Reel £0.194 View £0.274 £0.253 £0.216 £0.192	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	5 A	30 VDC	10 A	40 A	30 mOhms	- 40 C	+ 85 C	10.2 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 7.0A 30V RADIAL LEADED MF-R700-2 Bourns 1: £0.698 1,620In Stock	Mfr. Part No. MF-R700-2 Mouser Part No 652-MF-R700-2	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 7.0A 30V RADIAL LEADED Learn More about Bourns mf r	Datasheet	1,620In Stock	Cut Tape £0.698 £0.566 £0.477 £0.414 Reel £0.293 View £0.372 £0.343 £0.317 £0.289	Min.: 1 Mult.: 1 : 3,000	MF-R	PCB Mount	Radial	7 A	30 VDC	14 A	40 A	20 mOhms	- 40 C	+ 85 C	10.2 mm	Reel, Cut Tape
Resettable Fuses - PPTC 60V .17A-HD 40A MAX MF-R017 Bourns 1: £0.338 4,890In Stock	Mfr. Part No. MF-R017 Mouser Part No 652-MFR017	Bourns	Resettable Fuses - PPTC 60V .17A-HD 40A MAX Learn More about Bourns mf r	Datasheet	4,890In Stock	£0.338 £0.27 £0.241 £0.217 View £0.19 £0.17 £0.158 £0.152	Min.: 1 Mult.: 1	MF-R	PCB Mount	Radial	170 mA	60 VDC	340 mA	40 A	3.2 Ohms	- 40 C	+ 85 C	5.1 mm	Bulk