Radial-Leaded PolySwitch Resettable PPTCs

Littelfuse Radial-Leaded Resettable PPTCs are designed to provide overcurrent protection for applications where space is not a concern, and resettable protection is preferred. With so many options in the radial-leaded PPTCs family, engineers can design with more flexibility. The components feature current ratings from 50mA to 15A, low resistance, and a fast time-to-trip. Higher voltage ratings (6V to 72V) allow for use in new applications. Littelfuse Radial-Leaded Resettable PPTCs are compatible with high-volume electronics assembly and can assist in meeting regulatory requirements.

Results: 466
Select Image Part # Mfr. 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 Minimum Operating Temperature Maximum Operating Temperature Lead Spacing Qualification Packaging
Littelfuse Resettable Fuses - PPTC Radial Lead .75A 6V 40A Imax 171In Stock
3,000On Order
Min.: 1
Mult.: 1
Reel: 3,000

RUSBF PCB Mount Radial 750 mA 6 VDC 1.3 A 40 A 230 mOhms - 40 C + 85 C 5.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Polyswitch 1.3A 6V 886In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RUSBF PCB Mount Radial 750 mA 6 VDC 1.3 A 40 A 230 mOhms - 40 C + 85 C 5.9 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .9A 16V 40A Imax 1,050In Stock
Min.: 1
Mult.: 1

RUSBF PCB Mount Radial 900 mA 16 VDC 1.8 A 40 A 180 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 1.1A 16V 40A Imax 2,041In Stock
Min.: 1
Mult.: 1

RUSBF PCB Mount Radial 1.1 A 16 VDC 2.2 A 40 A 140 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 1.1A 16V 40A Imax 4,237In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RUSBF PCB Mount Radial 1.1 A 16 VDC 2.2 A 40 A 140 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead 1.35A 16V 40A Imax 583In Stock
Min.: 1
Mult.: 1

RUSBF PCB Mount Radial 1.35 A 16 VDC 2.7 A 40 A 120 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 1.35A 16V 40A Imax 1,061In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RUSBF PCB Mount Radial 1.35 A 16 VDC 2.7 A 40 A 120 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 6V 40A 0.60W PolySwitch Reset Dev 1,946In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RUSBF PCB Mount Radial 1.55 A 6 V 2.65 A 40 A 100 mOhms - 40 C + 85 C Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead 1.85A 16V 40A Imax 475In Stock
Min.: 1
Mult.: 1

RUSBF PCB Mount Radial 1.85 A 16 VDC 3.7 A 40 A 90 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 2.5A 16V 40A Imax 535In Stock
Min.: 1
Mult.: 1

RUSBF PCB Mount Radial 2.5 A 16 VDC 5 A 40 A 60 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Polyswitch 0.2A 60V 379In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 7.5 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax 3,188In Stock
2,100Expected 2026-02-19
Min.: 1
Mult.: 1
Reel: 3,000

RXEF PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 7.5 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC .1A 60V 40A Imax 985In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RXEF PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 7.5 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax 501In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 7.5 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax 6,069In Stock
13,500On Order
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 170 mA 60 VDC 340 mA 40 A 8 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax 3,012In Stock
Min.: 1
Mult.: 1
Reel: 2,500

RXEF PCB Mount Radial 170 mA 60 VDC 340 mA 40 A 8 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax 4,710In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RXEF PCB Mount Radial 200 mA 72 VDC 400 mA 40 A 4.4 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 72V 200MA 40A RXEF 1,680In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RXEF PCB Mount Radial 200 mA 72 VDC 400 mA 40 A 4.4 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax 977In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 200 mA 72 VDC 400 mA 40 A 4.4 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax 1,735In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RXEF PCB Mount Radial 200 mA 72 VDC 400 mA 40 A 4.4 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax 5,545In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RXEF PCB Mount Radial 300 mA 72 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 72V 300MA 40A RXEF 2,609In Stock
Min.: 1
Mult.: 1
Reel: 2,000

RXEF PCB Mount Radial 300 mA 72 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax 487In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 300 mA 72 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax 3,230In Stock
Min.: 1
Mult.: 1
Reel: 3,000

RXEF PCB Mount Radial 300 mA 72 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .4A 72V 40A Imax 4,143In Stock
10,300Expected 2026-02-19
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 400 mA 72 VDC 800 mA 40 A 1.29 Ohms - 40 C + 85 C 5.8 mm Bulk