Multifuse® PTC Resettable Fuses

Bourns Multifuse® PTC Resettable Fuses are available in polymer or ceramic with surface-mount, through-hole, or strap-mount configurations. The materials used in these fuses allow them to reset after a fault condition has been removed, and the increase in resistance changes exponentially rather than in a linear manner. Resettable overcurrent protection offers reliability and a longer part life. Bourns Multifuse PTCs provide resettable overcurrent protection, extra-low resistance, and are RoHS compliant. These fuses are ideal circuit protection for a variety of industrial and consumer applications, including computer, battery, automotive, and telecommunications.

Results: 745
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Description Datasheet Availability Pricing (CAD) 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
Package / Case
Minimum Operating Temperature
Maximum Operating Temperature
Lead Spacing
Qualification
Packaging
Bourns Resettable Fuses - PPTC 72V 1.1A-HD 40A MAX
Datasheet
2,652In Stock
12,000Expected 2026-02-27
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 1.1 A 72 VDC 2.2 A 40 A 250 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 1.1A 72V RADIAL LEADED
Datasheet
530In Stock
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 1.1 A 72 VDC 2.2 A 40 A 250 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 72V 1.35A-HD 40A MAX
Datasheet
5,207In Stock
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 1.35 A 72 VDC 2.7 A 40 A 190 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 1.35A 72V RADIAL LEADED
Datasheet
1,341In Stock
Min.: 1
Mult.: 1
Reel: 3,000

MF-RX/72 PCB Mount Radial 1.35 A 72 VDC 2.7 A 40 A 190 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC PTC RESETTABLE 1.85A 72V RADIAL LEADED
Datasheet
3,418In Stock
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 1.85 A 72 VDC 3.7 A 40 A 120 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 72V 2.5A-HD 40A MAX
Datasheet
2,342In Stock
Min.: 1
Mult.: 1
Reel: 3,000

MF-RX/72 PCB Mount Radial 2.5 A 72 VDC 5 A 40 A 80 mOhms - 40 C + 85 C 10.2 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC 72V 3A-HD 40A MAX
Datasheet
651In Stock
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 3 A 72 VDC 6 A 40 A 60 mOhms - 40 C + 85 C 10.2 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 3.0A 72V RADIAL LEADED
Datasheet
2,285In Stock
Min.: 1
Mult.: 1
Reel: 3,000

MF-RX/72 PCB Mount Radial 3 A 72 VDC 6 A 40 A 60 mOhms - 40 C + 85 C 10.2 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC 72V 3.75A-HD 40A MAX
Datasheet
3,366In Stock
Min.: 1
Mult.: 1

MF-RX/72 PCB Mount Radial 3.75 A 72 VDC 7.5 A 40 A 50 mOhms - 40 C + 85 C 10.2 mm Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 3.75A 72V RADIAL LEADED
Datasheet
1,026In Stock
6,000Expected 2026-03-12
Min.: 1
Mult.: 1
Reel: 3,000

MF-RX/72 PCB Mount Radial 3.75 A 72 VDC 7.5 A 40 A 50 mOhms - 40 C + 85 C 10.2 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC 33V 1.1A-HD 40A MAX
Datasheet
Product Comments
17,434In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

MF-SM SMD/SMT SMD/SMT 1.1 A 33 VDC 2.2 A 40 A 410 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 30V 100MA-HD 20A MAX
Datasheet
2,866In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-USHT SMD/SMT SMD/SMT 100 mA 30 VDC 500 mA 20 A 7.5 Ohms 1210 (3225 metric) - 20 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 30V/0.16
Datasheet
687In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-USHT PCB Mount SMD/SMT 160 mA 30 VDC 800 mA 20 A 6 Ohms 1210 (3225 metric) - 20 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 30V 500MA-HD 20A MAX
Datasheet
711In Stock
21,000Expected 2026-06-12
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-USHT SMD/SMT SMD/SMT 500 mA 30 VDC 2.5 A 20 A 1.6 Ohms 1210 (3225 metric) - 20 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 6V 1.1A-HD 40A MAX
Datasheet
8,373In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-USMF SMD/SMT SMD/SMT 1.1 A 6 VDC 2.2 A 40 A 210 mOhms 1210 (3225 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 60V .4A-HD 40A MAX
Datasheet
7,927In Stock
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 400 mA 60 VDC 800 mA 40 A 860 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX
Datasheet
7,420In Stock
7,680Expected 2026-02-27
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
Bourns Resettable Fuses - PPTC 30V 6A-HD 40A MAX
Datasheet
1,936In Stock
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
Bourns Resettable Fuses - PPTC 60V 500MA-HD 10A MAX
Datasheet
Product Comments
15,009In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

MF-SM SMD/SMT SMD/SMT 500 mA 60 VDC 1 A 40 A 1.4 Ohms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 15V 1.25A-HD 40A MAX
Datasheet
Product Comments
3,794In Stock
12,000Expected 2026-04-24
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

MF-SM SMD/SMT SMD/SMT 1.25 A 15 VDC 2.5 A 100 A 250 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 15V 1.5A-HD 40A MAX
Datasheet
Product Comments
6,531In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-SM SMD/SMT SMD/SMT 1.5 A 15 VDC 3 A 100 A 250 mOhms 3425 (8764 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 15V 2.0A-HD 40A MAX
Datasheet
Product Comments
7,217In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

MF-SM SMD/SMT SMD/SMT 2 A 15 VDC 4 A 100 A 125 mOhms 3425 (8764 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM
Datasheet
1,357In Stock
Min.: 1
Mult.: 1

CMF-RL PCB Mount Radial 60 mA 230 VAC 150 mA 900 mA 25 Ohms - 40 C + 125 C 5 mm Bulk
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 35OHM
Datasheet
739In Stock
Min.: 1
Mult.: 1

CMF-RL PCB Mount Radial 80 mA 230 VAC 220 mA 3 A 35 Ohms - 40 C + 125 C 5 mm Tray
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM
Datasheet
3,568In Stock
Min.: 1
Mult.: 1
CMF-RL PCB Mount Radial 65 mA 230 VAC 150 mA 3 A 50 Ohms - 40 C + 125 C 5 mm Tray