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: 436
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) 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 6A 30V 100A Imax 11.037In Stock
9.925Expected 17/08/2026
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 6 A 30 VDC 12 A 100 A 40 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 7A 30V 100A Imax 11.386In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 7 A 30 VDC 14 A 100 A 30 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 8A 30V 100A Imax 6.527In Stock
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 8 A 30 VDC 16 A 100 A 20 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC .05A 60V 40A Imax 21.592In Stock
15.900Expected 18/08/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 50 mA 60 VDC 100 mA 40 A 20 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax 13.074In Stock
Min.: 1
Mult.: 1
: 3.000

RXEF PCB Mount Radial 50 mA 60 VDC 100 mA 40 A 20 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax 16.549In Stock
12.450Expected 13/08/2026
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 6.972In Stock
Min.: 1
Mult.: 1
: 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 Radial Lead .17A 60V 40A Imax 15.660In Stock
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 .2A 72V 40A Imax 12.851In 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 .25A 72V 40A Imax 9.163In Stock
16.000Expected 17/08/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 250 mA 72 VDC 500 mA 40 A 3 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax 10.862In Stock
Min.: 1
Mult.: 1
: 3.000

RXEF PCB Mount Radial 250 mA 72 VDC 500 mA 40 A 3 Ohms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax 15.885In Stock
23.500Expected 22/09/2026
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 .4A 72V 40A Imax 7.558In Stock
14.500Expected 28/09/2026
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
Littelfuse Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax 18.428In Stock
37.446On Order
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 500 mA 72 VDC 1 A 40 A 1.17 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .65A 72V 40A Imax 29.508In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 650 mA 72 VDC 1.3 A 40 A 720 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax 16.017In Stock
23.000Expected 28/09/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 750 mA 72 VDC 1.5 A 40 A 600 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax 6.069In Stock
11.000Expected 28/09/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 900 mA 72 VDC 1.8 A 40 A 470 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax 5.891In Stock
12.000Expected 23/09/2026
Min.: 1
Mult.: 1
: 1.500

RXEF PCB Mount Radial 1.1 A 72 VDC 2.2 A 40 A 380 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax 21.537In Stock
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 1.35 A 72 VDC 2.7 A 40 A 300 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax 10.290In Stock
500On Order
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 1.85 A 72 VDC 3.7 A 40 A 190 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax 4.456In Stock
7.500Expected 14/10/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 3 A 72 VDC 6 A 40 A 100 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax 3.106In Stock
21.964On Order
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 3.75 A 72 VDC 7.5 A 40 A 80 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Resettable Fuses - PPTC 60V .25A 2.5s 3.898In Stock
11.500Expected 14/10/2026
Min.: 1
Mult.: 1

60R PCB Mount Radial 250 mA 60 VDC 500 mA 40 A 3 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Resettable Fuses - PPTC PTC 16V 10A POLY RADIAL LEADS 1.656In Stock
Min.: 1
Mult.: 1
: 1.000

16R PCB Mount Radial 10 A 16 VDC 17 A 100 A 10.2 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC PTC 16V 14A POLY RADIAL LEADS 114In Stock
Min.: 1
Mult.: 1

16R PCB Mount Radial 14 A 16 VDC 23.8 A 100 A 6.4 mOhms - 40 C + 85 C 10.2 mm Bulk