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 (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
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Packaging
Bourns Resettable Fuses - PPTC PTC RESETTABLE 3.75A 72V RADIAL LEADED
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 6,000
Mult.: 3,000
Reel: 3,000

MF-RX PCB Mount Radial 3.75 A 72 V 7.5 A 40 A 50 mOhms - 40 C + 85 C 10.2 mm Reel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 3.75A 72V RADIAL LEADED
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 6,000
Mult.: 3,000
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 Ammo Pack
Bourns Resettable Fuses - PPTC PTC 0.13A 250V SMD VERTICAL TELECOM
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 2,000

MF-SM013/250V SMD/SMT SMD/SMT 130 mA 60 VDC 260 mA 3 A 12 Ohms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 2.0A 10V SMD 2018
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 6,000
Mult.: 6,000
Reel: 6,000

MF-SMDF SMD/SMT SMD/SMT 2 A 10 VDC 4 A 40 A 100 mOhms 2018 (5045 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC PTC RESETTABLE 1.75A 6V SMD 1210
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 30,000
Mult.: 3,000
Reel: 3,000

MF-USMF SMD/SMT SMD/SMT 1.75 A 6 VDC 3.5 A 40 A 90 mOhms 1210 (3225 metric) - 40 C + 85 C AEC-Q100 Reel
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 300
CMF-RL PCB Mount Radial 75 mA 230 V 150 mA 3 A 35 Ohms - 40 C + 125 C 5.08 mm Tray
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 35OHM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 300
CMF-RL PCB Mount Radial 75 mA 230 V 150 mA 3 A 35 Ohms - 40 C + 125 C 5 mm Tray
Bourns Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 55OHM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 300
CMF-RL PCB Mount Radial 65 mA 230 V 150 mA 3 A 55 Ohms - 40 C + 125 C 5.08 mm Tray
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

CMF-SDP PCB Mount SMD/SMT 150 mA 230 VAC 360 mA 1 A 10 Ohms - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 7,000
Mult.: 350
Reel: 350

CMF-SDP PCB Mount SMD/SMT 130 mA 230 VAC 260 mA 2.8 A 25 Ohms - 40 C + 125 C Reel
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 7,000
Mult.: 350
Reel: 350

CMF-SDP PCB Mount SMD/SMT 110 mA 230 VAC 230 mA 4.6 A 35 Ohms - 40 C + 125 C Reel
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 8,000
Mult.: 400
Reel: 400

CMF-SDP PCB Mount SMD/SMT 90 mA 230 V 190 mA 2.5 A 50 Ohms - 40 C + 125 C Reel
Bourns Resettable Fuses - PPTC Ceramic PTC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 7,000
Mult.: 350
Reel: 350

CMF-SDP PCB Mount SMD/SMT 70 mA 230 V 150 mA 2.5 A 75 Ohms - 40 C + 125 C Reel
Bourns Resettable Fuses - PPTC MF-FSMF Design Kit, SMD 0603, 0.1A-0.5A
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-FSMF Kit
Bourns Resettable Fuses - PPTC PTC RESETTABLE 1.9A 15V AXIAL STRAP
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LR Strap Mount Axial 1.9 A 15 V 3.9 A 100 A 72 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC 10V 5.5A-HD 100A MAX
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LR Strap Mount Axial 5.5 A 10 V 10.5 A 100 A 19 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 5.5A 20V AXIAL STRAP
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LR PCB Mount Axial 5.5 A 20 V 10.5 A 100 A 16 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC 20V 7.3A-HD 100A MAX
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LR Strap Mount Axial 7.3 A 20 VDC 14.1 A 100 A 12 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC RESETTABLE 9.0A 20V AXIAL STRAP
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LR Strap Mount Axial 9 A 20 VDC 16.7 A 100 A 10 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC 1.9A 24V AXIAL STRAP 100'C SW
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LS PCB Mount Axial 1.9 A 24 VDC 4.2 A 100 A 57 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC 1.9A 15V 0.03ohm Radial
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-LS PCB Mount Axial 1.9 A 15 V 4.2 A 100 A 57 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC 2.6A 24V AXIAL STRAP 100'C SW
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LS PCB Mount Axial 2.6 A 24 VDC 5.2 A 100 A 42 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC PTC 3.0A 24V AXIAL STRAP 100'C SW
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-LS PCB Mount Axial 3 A 24 VDC 6.3 A 100 A 31 mOhms - 40 C + 85 C Bulk
Bourns Resettable Fuses - PPTC MF-LSMF Design Kit, SMD 2920, 0.3A-1.5A
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-LSMF Kit
Bourns Resettable Fuses - PPTC MF-LSMF Design Kit, SMD 2920, 1.85A-6A
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-LSMF Kit