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
Qualification
Packaging
Bourns Resettable Fuses - PPTC MF-NSHT Design Kit,SMD 1206,0.1A-0.75A
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-NSHT Kit
Bourns Resettable Fuses - PPTC 1206 SMD Polymer PTC 1.5A/6V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

MF-NSML SMD/SMT SMD/SMT 1.5 A 6 VDC 3 A 50 A 65 mOhms 1206 (3216 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC 1206 SMD Polymer PTC 1.75A/6V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

MF-NSML PCB Mount SMD/SMT 1.75 A 6 V 3.5 A 50 A 40 mOhms 1206 (3216 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC 1206 SMD Polymer PTC 2.0A/6V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

MF-NSML SMD/SMT SMD/SMT 2 A 6 VDC 4 A 50 A 30 mOhms 1206 (3216 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC 1206 SMD Polymer PTC, 6V/4.5A
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 3,500
Mult.: 3,500
Reel: 3,500

MF-NSML SMD/SMT SMD/SMT 4.5 A 6 VDC 9 A 50 A 14 mOhms 1206 (3216 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC 0805 SMD Polymer PTC 2.6A/6V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

MF-PSML SMD/SMT SMD/SMT 2.6 A 6 VDC 5.2 A 50 A 30 mOhms 0805 (2012 metric) - 40 C + 85 C Reel
Bourns Resettable Fuses - PPTC 0.75A IHold 30V 40A
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 3,000
Reel: 3,000

MF-R PCB Mount Radial 750 mA 60 V 1.5 A 40 A 400 mOhms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 0.75A 90V 0.37ohm Straight leads
Datasheet
Non-Stocked
Min.: 1
Mult.: 1
Reel: 1,500

MF-R/90 PCB Mount Radial 750 mA 90 V 1.5 A 40 A 750 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Bourns Resettable Fuses - PPTC 0.90A 60V 0.14ohm Short Lead Length
Datasheet
Non-Stocked
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 0.90A 60V 0.14ohm Hold .90 Trip 1.8
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 3,000
Reel: 3,000

MF-R/90 PCB Mount Radial 900 mA 30 V 1.8 A 40 A 120 mOhms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 2.5A 30V 0.025ohm Hold 2.5 Trip 5.00
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 1,500
Reel: 1,500

MF-R PCB Mount Radial 2.5 A 30 V 5 A 40 A 48 mOhms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 2.5A 30V 0.025ohm Hold 2.5 Trip 5.00
Datasheet
Non-Stocked
Min.: 1
Mult.: 1
Reel: 1,000

MF-R PCB Mount Radial 2.5 A 30 V 5 A 40 A 48 mOhms - 40 C + 85 C 5.1 mm Ammo Pack
Bourns Resettable Fuses - PPTC 6A 30V 0.005ohm Hold 6.0 Trip 12.0
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 1,000
Reel: 1,000

MF-R/600 PCB Mount Radial 6 A 30 V 12 A 40 A 20 mOhms - 40 C + 85 C 10.2 mm Ammo Pack
Bourns Resettable Fuses - PPTC 0.12A 60V 4ohm
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-RX/250 PCB Mount Radial 120 mA 60 VDC 3 A 10.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 0.12A 60V 7ohm Radial
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 500

MF-RX/250 PCB Mount Radial 120 mA 60 VDC 3 A 9 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 0.12A 60V 5.5ohm Radial
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 1,500
Reel: 1,500

MF-RX/250 PCB Mount Radial 120 mA 60 VDC 3 A 7.5 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 0.12A 60V 6ohm Radial
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 500

MF-RX/250 PCB Mount Radial 120 mA 60 VDC 3 A 10.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 0.12A 60V 6ohm Radial
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 1,500
Reel: 1,500

MF-RX/250 PCB Mount Radial 120 mA 60 VDC 3 A 10.5 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 0.145A 60V 3ohm
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 500

MF-RX/250 PCB Mount Radial 145 mA 60 VDC 3 A 5.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 0.145A 60V 3ohm
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 1,500
Reel: 1,500

MF-RX/250 PCB Mount Radial 145 mA 60 VDC 3 A 5.5 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC 0.145A 60V 4.5ohm
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 500

MF-RX/250 PCB Mount Radial 145 mA 60 VDC 3 A 6 Ohms - 40 C + 85 C 5.1 mm Bulk
Bourns Resettable Fuses - PPTC 0.145A 60V 4.5ohm
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 1,500
Reel: 1,500

MF-RX/250 PCB Mount Radial 145 mA 60 VDC 3 A 6 Ohms - 40 C + 85 C 5.1 mm Reel
Bourns Resettable Fuses - PPTC .13A 250V 6.5ohm VERTICAL
Datasheet
Non-Stocked Lead-Time 101 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

MF-SM013/250V PCB Mount SMD/SMT 130 mA 60 VDC 3 A 12 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Resettable Fuses - PPTC MF-SMHT Design Kit,SMD2920/3425,1.36A-3A
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

MF-SMHT Kit
Bourns Resettable Fuses - PPTC PTC 1.7A 10V AXIAL STRAP 85'C SW
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 6,000
Mult.: 500

MF-SVS Strap Mount Axial 1.7 A 10 V 4.1 A 100 A 32 mOhms - 40 C + 85 C Bulk