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.

Results: 171
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Mounting Style Termination Style Hold Current Maximum Voltage Trip Current Current Rating - Max Resistance Minimum Operating Temperature Maximum Operating Temperature Lead Spacing Packaging
Bourns Resettable Fuses - PPTC 30V 4A-HD 40A MAX 2,088In Stock
$0.69
$0.525
$0.493
$0.372
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
Bourns Resettable Fuses - PPTC 30V 5A-HD 40A MAX 2,893In Stock
Cut Tape
$0.58
$0.503
$0.44
$0.406
Reel
$0.257
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
Bourns Resettable Fuses - PPTC PTC RESETTABLE 7.0A 30V RADIAL LEADED 1,620In Stock
Cut Tape
$0.94
$0.819
$0.708
$0.602
Reel
$0.413
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
Bourns Resettable Fuses - PPTC 60V .1A-HD 40A MAX 2,648In Stock
10,500Expected 05/11/2026
$0.33
$0.304
$0.253
$0.233
Min.: 1
Mult.: 1
MF-R PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 4.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 60V .17A-HD 40A MAX 5,587In Stock
$0.41
$0.312
$0.293
$0.223
$0.206
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
Bourns Resettable Fuses - PPTC 60V .25A-HD 40A MAX 5,132In Stock
$0.43
$0.372
$0.33
$0.281
Min.: 1
Mult.: 1
MF-R PCB Mount Radial 250 mA 60 VDC 500 mA 40 A 1.95 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 60V .3A-HD 40A MAX 8,973In Stock
$0.37
$0.308
$0.276
$0.237
Min.: 1
Mult.: 1
MF-R PCB Mount Radial 300 mA 60 VDC 600 mA 40 A 1.36 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX 7,752In Stock
$0.51
$0.427
$0.379
$0.299
Min.: 1
Mult.: 1
MF-R PCB Mount Radial 1.35 A 30 VDC 2.7 A 40 A 115 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 3A-HD 40A MAX 6,489In Stock
$0.50
$0.461
$0.383
$0.352
Min.: 1
Mult.: 1
MF-R PCB Mount Radial 3 A 30 VDC 6 A 40 A 50 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 5A-HD 40A MAX
8,437Expected 26/10/2026
$0.55
$0.503
$0.417
$0.385
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
Bourns Resettable Fuses - PPTC 60V .4A-HD 40A MAX
8,300Expected 26/10/2026
Cut Tape
$0.54
$0.411
$0.385
$0.307
Reel
$0.307
$0.276
Min.: 1
Mult.: 1
: 3,000
MF-R PCB Mount Radial 400 mA 60 VDC 800 mA 40 A 860 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.05A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
Cut Tape
$0.50
$0.378
$0.354
$0.268
Reel
$0.229
Min.: 1
Mult.: 1
: 3,000
MF-R PCB Mount Radial 50 mA 60 V 100 mA 40 A 11.1 Ohms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.216
Min.: 7,000
Mult.: 3,500
MF-R PCB Mount Radial 100 mA 60 V 200 mA 40 A 4.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
Cut Tape
$0.248
Min.: 9,000
Mult.: 3,000
: 3,000
MF-R PCB Mount Radial 100 mA 60 V 200 mA 40 A 4.5 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.224
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 100 mA 60 V 200 mA 40 A 4.5 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.214
Min.: 7,000
Mult.: 3,500
MF-R PCB Mount Radial 170 mA 60 V 340 mA 40 A 3.2 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
Cut Tape
$0.24
Min.: 9,000
Mult.: 3,000
: 3,000
MF-R PCB Mount Radial 170 mA 60 V 340 mA 40 A 3.2 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.207
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 170 mA 60 VDC 340 mA 40 A 3.2 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.225
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 170 mA 60 V 340 mA 40 A 3.2 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.2A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.241
Min.: 7,000
Mult.: 3,500
MF-R PCB Mount Radial 200 mA 60 V 400 mA 40 A 2.84 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.2A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.24
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 200 mA 60 V 400 mA 40 A 2.84 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.25A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.232
Min.: 7,000
Mult.: 3,500
MF-R PCB Mount Radial 250 mA 60 V 500 mA 40 A 1.95 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.25A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
Cut Tape
$0.252
Min.: 9,000
Mult.: 3,000
: 3,000
MF-R PCB Mount Radial 250 mA 60 V 500 mA 40 A 1.95 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.25A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.247
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 250 mA 60 VDC 500 mA 40 A 1.95 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.25A 60V RADIAL LEADED Non-Stocked Lead-Time 4 Weeks
$0.24
Min.: 8,000
Mult.: 4,000
: 4,000
MF-R PCB Mount Radial 250 mA 60 V 500 mA 40 A 1.95 Ohms - 40 C + 85 C 5.1 mm Ammo Pack