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.

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Description Datasheet Availability Pricing (SGD) 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 60V .9A-HD 40A MAX
Datasheet
10,246In Stock
Min.: 1
Mult.: 1

MF-R/90 PCB Mount Radial 900 mA 60 VDC 1.8 A 40 A 310 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX
Datasheet
18,020In Stock
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 1.6A-HD 40A MAX
Datasheet
10,282In Stock
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 1.6 A 30 VDC 3.2 A 40 A 105 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX
Datasheet
11,601In Stock
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 2.5 A 30 VDC 5 A 40 A 48 mOhms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 30V 3A-HD 40A MAX
Datasheet
8,035In Stock
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 4A-HD 40A MAX
Datasheet
8,851In Stock
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 6A-HD 40A MAX
Datasheet
6,001In 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 30V 8A-HD 40A MAX
Datasheet
6,116In Stock
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 8 A 30 VDC 16 A 40 A 20 mOhms - 40 C + 85 C 10.2 mm Bulk
Bourns Resettable Fuses - PPTC 30V 9A-HD 40A MAX
Datasheet
5,904In Stock
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 9 A 30 VDC 18 A 40 A 10 mOhms - 40 C + 85 C 10.2 mm Bulk
Bourns Resettable Fuses - PPTC 60V 500MA-HD 10A MAX
Datasheet
Product Comments
36,118In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 30V 1.1A-HD 40A MAX
Datasheet
Product Comments
10,969In Stock
36,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

MF-SM SMD/SMT SMD/SMT 1.1 A 30 VDC 2.2 A 80 A 480 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
13,732In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
10,366In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 230VOLT 10OHM
Datasheet
7,568In Stock
Min.: 1
Mult.: 1

CMF-RL PCB Mount Radial 150 mA 60 VDC 300 mA 3 A 10 Ohms - 40 C + 125 C 5 mm Tray
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 25OHM
Datasheet
7,067In 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 220VOLT 25OHM
Datasheet
11,341In Stock
Min.: 1
Mult.: 1

CMF-RL PCB Mount Radial 50 mA 230 VAC 100 mA 3 A 50 Ohms - 40 C + 125 C 5 mm Tray
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
8,606In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

CMF-SDP PCB Mount SMD/SMT 130 mA 230 VAC 260 mA 2.8 A 25 Ohms - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 0.11A 230V 35ohm 220volt 35ohms
Datasheet
12,108In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

CMF-SDP PCB Mount SMD/SMT 110 mA 230 VAC 230 mA 2.5 A 35 Ohms - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 0.09A 230V 50ohm SURFACE MOUNT
Datasheet
7,200In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

CMF-SDP PCB Mount SMD/SMT 90 mA 230 VAC 190 mA 2.5 A 50 Ohms - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 60V 100MA-HD 40A MAX
Datasheet
63,692In Stock
48,000Expected 19/3/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

MF-MSMF SMD/SMT SMD/SMT 100 mA 60 VDC 300 mA 40 A 15 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 60V 140MA-HD 40A MAX
Datasheet
53,332In Stock
57,000Expected 2/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

MF-MSMF SMD/SMT SMD/SMT 140 mA 60 VDC 300 mA 40 A 6.5 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 30V 200MA-HD 10A MAX
Datasheet
12,625In Stock
50,730On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

MF-MSMF SMD/SMT SMD/SMT 200 mA 30 VDC 400 mA 80 A 6 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 2.6A 16V SMD 1812
Datasheet
29,851In Stock
Min.: 1
Mult.: 1
: 3,000

MF-MSMF PCB Mount SMD/SMT 16 V 2.6 A - 40 C + 85 C Reel, Cut Tape
Bourns Resettable Fuses - PPTC 30V 120MA-HD 10A MAX
Datasheet
33,467In Stock
47,605Expected 9/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

MF-NSMF SMD/SMT SMD/SMT 120 mA 30 VDC 290 mA 10 A 8.5 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD
Datasheet
5,524In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,500

MF-NSML SMD/SMT SMD/SMT 4 A 6 VDC 8 A 50 A 14 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel