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) Current - Hold Current - Trip Voltage - Max Time to Trip Size/ Dimension Lead Spacing Height Initial Resistance Current - Max Package/ Case
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


73 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.327
25+ £0.265
100+ £0.240
250+ £0.229
Price per unit Ex VAT 		0.1A 0.2A 60V 4s 7.4mm 5.1mm 12.7mm 4.5Ω 40A Radial leaded
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


430 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.301
25+ £0.272
100+ £0.228
Price per unit Ex VAT 		0.2A 0.4A 60V 2.2s 7.4mm 5.1mm 12.7mm 2.84Ω 40A Radial leaded
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


643 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.346
25+ £0.290
100+ £0.243
Price per unit Ex VAT 		0.25A 0.5A 60V 2.5s 7.4mm 5.1mm 12.7mm 1.95Ω 40A Radial leaded
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


Out of stock613 due on 07/01/2026
5+ £0.215
25+ £0.199
100+ £0.163
Price per unit Ex VAT 		0.3A 0.6A 60V 3s 7.4mm 5.1mm 13.4mm 1.36Ω 40A Radial leaded
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


360 in stock, despatched same dayAdditional 100 due on 31/12/2025
5+ £0.235
Price per unit Ex VAT 		0.5A 1A 60V 4s 7.9mm 5.1mm 13.7mm 0.77Ω 40A Radial leaded
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


201 in stock, despatched same dayAdditional 200 due on 31/12/2025
5+ £0.419
25+ £0.331
100+ £0.285
250+ £0.251
Price per unit Ex VAT 		0.75A 1.5A 60V 6.3s 10.4mm 5.1mm 16mm 0.4Ω 40A Radial leaded
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


140 in stock, despatched same dayAdditional 100 due on 23/12/2025
5+ £0.266
25+ £0.213
100+ £0.180
250+ £0.177
Price per unit Ex VAT 		0.9A 1.8A 60V 7.2s 11.7mm 5.1mm 16.7mm 0.31Ω 40A Radial leaded
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


279 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.270
25+ £0.261
100+ £0.256
250+ £0.254
Price per unit Ex VAT 		1.6A 3.2A 30V 8s 10.2mm 5.1mm 16.8mm 0.105Ω 40A Radial leaded
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


291 in stock, despatched same dayAdditional quantity lead time 14 days
5+ £0.455
25+ £0.446
100+ £0.228
250+ £0.225
Price per unit Ex VAT 		1.85A 3.7A 30V 8.7s 12mm 5.1mm 18.4mm 0.07Ω 40A Radial leaded
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


224 in stock, despatched same dayAdditional quantity lead time 14 days
5+ £0.306
25+ £0.243
100+ £0.218
Price per unit Ex VAT 		4A 8A 30V 12.7s 14.4mm 5.1mm 24.8mm 0.03Ω 40A Radial leaded
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


125 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.413
25+ £0.328
100+ £0.314
Price per unit Ex VAT 		5A 10A 30V 14.5s 17.4mm 10.2mm 24.9mm 0.03Ω 40A Radial leaded
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


Trustpilot