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) Height Hold Current Initial Resistance Lead Pitch Length Max Voltage Rating Trip Current Trip Time Max Current Rating Package/Case Style
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 		12.7mm 0.1A 4.5Ω 5.1mm 7.4mm 60V 0.2A 4s 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


445 in stock, despatched same dayAdditional quantity lead time 5 weeks
5+ £0.301
25+ £0.272
100+ £0.228
Price per unit Ex VAT 		12.7mm 0.2A 2.84Ω 5.1mm 7.4mm 60V 0.4A 2.2s 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 		12.7mm 0.25A 1.95Ω 5.1mm 7.4mm 60V 0.5A 2.5s 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


313 in stock, despatched same dayAdditional 100 due on 18/12/2025
5+ £0.215
25+ £0.199
100+ £0.163
Price per unit Ex VAT 		13.4mm 0.3A 1.36Ω 5.1mm 7.4mm 60V 0.6A 3s 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 quantity lead time 14 days
5+ £0.235
Price per unit Ex VAT 		13.7mm 0.5A 0.77Ω 5.1mm 7.9mm 60V 1A 4s 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


Out of stockBack-order availability date - 19/12/2025
5+ £0.419
25+ £0.331
100+ £0.285
250+ £0.251
Price per unit Ex VAT 		16mm 0.75A 0.4Ω 5.1mm 10.4mm 60V 1.5A 6.3s 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


40 in stock, despatched same dayAdditional 100 due on 05/01/2026
5+ £0.266
25+ £0.213
100+ £0.180
250+ £0.177
Price per unit Ex VAT 		16.7mm 0.9A 0.31Ω 5.1mm 11.7mm 60V 1.8A 7.2s 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 		16.8mm 1.6A 0.105Ω 5.1mm 10.2mm 30V 3.2A 8s 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 		18.4mm 1.85A 0.07Ω 5.1mm 12mm 30V 3.7A 8.7s 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 		24.8mm 4A 0.03Ω 5.1mm 14.4mm 30V 8A 12.7s 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 		24.9mm 5A 0.03Ω 10.2mm 17.4mm 30V 10A 14.5s 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


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