Bourns Multifuse MF-R Series PTC Resettable Fuses

Bourns Brand: Bourns

The Bourns Multifuse is a resettable device that performs like a fuse under overcurrent conditions but will reset when overcurrent condition has been removed.

  • Housed in a flame retardant UL94V-O epoxy case
  • Operating temperature –40°C to +85°C
  • Max. voltage 60V AC/DC rms (to MF-R090), 30V AC/DC rms (MF-R110 to MF-R800)
Description Image Product Buy Pricing (Ex VAT) Voltage - Max Current Current - Trip Height Initial Resistance Lead Spacing Size Size 1 Size/ Dimension Size 2 Time to Trip Type Package/ Case Current - Max
Bourns MF-R010-0-99 0.1A Multifuse
Bourns MF-R010-0-99 0.1A Multifuse
Standard range
Order code: 26-4600
MPN: MF-R010-0-99

Order in multiples of 5


Despatched same day - 68 in stockAdditional quantity lead time 7 days
5+ £0.253
25+ £0.216
100+ £0.200
250+ £0.193
Price per unit Ex VAT 		60V 0.1A 0.2A 12.7mm 4.5O 5.1mm 12.7 x 7.4 x 3.1mm .7 x 7.4 x 3.1mm 7.4mm 4s Resettable Fuse Radial leaded 40A
Bourns MF-R020-0-99 0.2A Multifuse
Bourns MF-R020-0-99 0.2A Multifuse
Standard range
Order code: 26-4602
MPN: MF-R020

Order in multiples of 5


Out of stock20 due on 11/06/2026
5+ £0.193
25+ £0.173
100+ £0.144
Price per unit Ex VAT 		60V 0.2A 0.4A 12.7mm 2.84O 5.1mm 7.4mm 2.2s Resettable Fuse Radial leaded 40A
Bourns MF-R025 0.25A Multifuse
Bourns MF-R025 0.25A Multifuse
Standard range
Order code: 26-4604
MPN: MF-R025

Order in multiples of 5


Despatched same day - 323 in stockAdditional quantity lead time 7 days
5+ £0.385
25+ £0.325
100+ £0.276
Price per unit Ex VAT 		60V 0.25A 0.5A 12.7mm 1.95O 5.1mm 7.4mm 2.5s Resettable Fuse Radial leaded 40A
Bourns MF-R030-0-990 0.3A Multifuse
Bourns MF-R030-0-990 0.3A Multifuse
Standard range
Order code: 26-4606
MPN: MF-R030-0-99

Order in multiples of 5


Despatched same day - 1,113 in stockAdditional quantity lead time 7 days
5+ £0.216
25+ £0.198
100+ £0.164
Price per unit Ex VAT 		60V 0.3A 0.6A 13.4mm 1.36O 5.1mm 13.4 x 7.4 x 3.1mm .4 x 7.4 x 3.1mm 7.4mm 3s Resettable Fuse Radial leaded 40A
Bourns MF-R050-0-99 0.5A Multifuse
Bourns MF-R050-0-99 0.5A Multifuse
Standard range
Order code: 26-4610
MPN: MF-R050-0-99

Order in multiples of 5


Despatched same day - 510 in stockAdditional quantity lead time 7 days
5+ £0.213
Price per unit Ex VAT 		60V 0.5A 1A 13.7mm 0.77O 5.1mm 13.7 x 7.9 x 3.1mm .7 x 7.9 x 3.1mm 7.9mm 4s Resettable Fuse Radial leaded 40A
Bourns MF-R075-0-99 0.75A Multifuse
Bourns MF-R075-0-99 0.75A Multifuse
Standard range
Order code: 26-4632
MPN: MF-R075-0-99

Order in multiples of 5


Despatched same day - 3,021 in stockAdditional quantity lead time 14 days
5+ £0.480
25+ £0.380
100+ £0.327
250+ £0.288
Price per unit Ex VAT 		60V 0.75A 1.5A 16mm 0.4O 5.1mm 16 x 10.4 x 3.1mm x 10.4 x 3.1mm 10.4mm 6.3s Resettable Fuse Radial leaded 40A
Bourns MF-R090-0-99 0.9A Multifuse
Bourns MF-R090-0-99 0.9A Multifuse
Standard range
Order code: 26-4614
MPN: MF-R090-0-99

Order in multiples of 5


Despatched same day - 415 in stockAdditional quantity lead time 7 days
5+ £0.267
25+ £0.215
100+ £0.181
250+ £0.178
Price per unit Ex VAT 		60V 0.9A 1.8A 16.7mm 0.31O 5.1mm 16.7 x 11.7 x 3.1mm .7 x 11.7 x 3.1mm 11.7mm 7.2s Resettable Fuse Radial leaded 40A
Bourns MF-R160-0-99 1.6A Multifuse
Bourns MF-R160-0-99 1.6A Multifuse
Standard range
Order code: 26-4620
MPN: MF-R160-0-99

Order in multiples of 5


Despatched same day - 74 in stockAdditional 200 due on 17/06/2026
5+ £0.246
25+ £0.238
100+ £0.232
250+ £0.232
Price per unit Ex VAT 		30V 1.6A 3.2A 16.8mm 0.105O 5.1mm 16.8 x 10.2 x 3mm .8 x 10.2 x 3mm 10.2mm 8s Resettable Fuse Radial leaded 40A
Bourns MF-R185 1.85A Multifuse
Bourns MF-R185 1.85A Multifuse
Standard range
Order code: 26-4622
MPN: MF-R185

Order in multiples of 5


Despatched same day - 191 in stockAdditional quantity lead time 7 days
5+ £0.415
25+ £0.408
100+ £0.210
250+ £0.209
Price per unit Ex VAT 		30V 1.85A 3.7A 18.4mm 0.07O 5.1mm 18.4 x 12 x 3mm .4 x 12 x 3mm 12mm 8.7s Resettable Fuse Radial leaded 40A
Bourns MF-R400-0-990 4.0A Multifuse
Bourns MF-R400-0-990 4.0A Multifuse
Standard range
Order code: 26-4628
MPN: MF-R400

Order in multiples of 5


Despatched same day - 139 in stockAdditional quantity lead time 7 days
5+ £0.417
25+ £0.332
100+ £0.304
Price per unit Ex VAT 		30V 4A 8A 24.8mm 0.03O 5.1mm 24.8 x 14.4 x 3mm 14.4mm .8 x 14.4 x 3mm 12.7s Resettable Fuse Radial leaded 40A
Bourns MF-R500-0-99 5.0A Multifuse
Bourns MF-R500-0-99 5.0A Multifuse
Standard range
Order code: 26-4630
MPN: MF-R500

Order in multiples of 5


Despatched same day - 120 in stockAdditional quantity lead time 7 days
5+ £0.443
25+ £0.352
100+ £0.336
Price per unit Ex VAT 		30V 5A 10A 24.9mm 0.03O 10.2mm 24.9 x 17.4 x 3mm 17.4mm .9 x 17.4 x 3mm 14.5s Resettable Fuse Radial leaded 40A
I holdI tripPackageABCDDepthLeadMftr.Order
(A)*(A)**max.max.max.min.max.dia.part no.code
0.10.217.412.75.87.63.10.51MF-R01026-4600
0.20.417.412.75.87.63.10.51MF-R02026-4602
0.250.517.412.75.87.63.10.51MF-R02526-4604
0.30.617.4135.87.63.10.51MF-R03026-4606
0.5117.913.75.87.63.10.51MF-R05026-4610
0.751.13110.415.25.87.63.10.51MF-R07526-4632
0.91.8110.415.25.87.63.10.51MR-R09026-4614
1.12.216.614.25.87.630.51MF-R11026-4616
1.63.218.915.25.87.630.51MF-R16026-4620
1.853.7110.215.75.87.630.51MF-R18526-4622
36211.417.35.97.630.81MF-R30026-4626
4821420.15.97.630.81MF-R40026-4628
510216.524.910.97.630.81MF-R50026-4630
*I hold – current at which fuse will not trip
**I trip – current at which fuse will trip


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