Low Resistance Resettable PTCs

Littelfuse Low Resistance Resettable PPTCs offer ultra-low normal operating resistance while maintaining the same performance of other Littelfuse PPTC products. The low resistance devices offer a 0.1A to 6A maximum current range, a 5V to 12V maximum voltage range, and overcurrent and over-temperature protections for various applications. The low-resistance resettable PPTCs are available in the Surface Mount Low Rho SMD Series, the Surface Mount LoRho Series, and the Battery Strap SL Series. The components are halogen-free, lead-free, and RoHS Compliant.

Results: 52
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Description Datasheet Availability Pricing (THB) 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
Packaging
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A
Datasheet
54,467In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 3 A 6 VDC 6 A 50 A 20 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 2.60A
Datasheet
2,803In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Low Rho SMD/SMT SMD/SMT 2.6 A 6 VDC 6 A 50 A 24 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.5A
Datasheet
7,461In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Low Rho PCB Mount SMD/SMT 3.5 A 6 VDC 8.1 A 50 A 20 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A
Datasheet
6,693In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1.5 A 6 VDC 3 A 50 A 65 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 6V 5.5A-HD 50A SMD
Datasheet
1,770In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho SMD/SMT SMD/SMT 5.5 A 6 VDC 11 A 50 A 11 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A
Datasheet
3,539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho PCB Mount SMD/SMT 4.5 A 6 VDC 9 A 50 A 14 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.00A
Datasheet
4,310In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho PCB Mount SMD/SMT 2 A 6 VDC 4 A 50 A 45 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2A
Datasheet
7,654In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho PCB Mount SMD/SMT 2 A 6 VDC 4 A 50 A 25 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 12V 3.5A-HD 10A SMD
Datasheet
2,683In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho SMD/SMT SMD/SMT 3.5 A 12 VDC 7 A 50 A 20 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 0.75A
Datasheet
3,621In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 750 mA 6 VDC 1.5 A 50 A 150 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.10A
Datasheet
4,578In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1.1 A 6 VDC 1.8 A 50 A 120 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.50A
Datasheet
15,172In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 3.5 A 6 VDC 7 A 50 A 18 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.60A
Datasheet
7,068In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 2.6 A 6 VDC 5.2 A 50 A 35 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.75A
Datasheet
7,237In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1.75 A 6 VDC 3.5 A 50 A 30 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD
Datasheet
9,922In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho SMD/SMT SMD/SMT 6 A 6 VDC 12 A 50 A 10 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD
Datasheet
5,998In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho SMD/SMT SMD/SMT 5 A 12 VDC 10 A 50 A 12 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2.6A
Datasheet
1,460In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 2.6 A 6 V 5 A 50 A 20 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 2920 LoRho SL 7.0A
Datasheet
926In Stock
2,000Expected 4/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Low Rho SMD/SMT SMD/SMT 7 A 6 VDC 14 A 50 A 7 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.8A
Datasheet
1,277In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 3.8 A 6 VDC 8 A 50 A 16 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A
Datasheet
11,495In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Low Rho SMD/SMT SMD/SMT 100 mA 6 VDC 300 mA 40 A 2 Ohms 0402 (1005 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.50A
Datasheet
36,983In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 500 mA 6 VDC 1 A 50 A 350 mOhms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A
Datasheet
4,141In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Low Rho SMD/SMT SMD/SMT 200 mA 6 VDC 500 mA 40 A 1.25 Ohms 0402 (1005 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A
Datasheet
3,064In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Low Rho SMD/SMT SMD/SMT 500 mA 6 VDC 1 A 40 A 400 mOhms 0402 (1005 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A
Datasheet
5,784In Stock
8,000Expected 3/16/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1 A 6 VDC 1.8 A 50 A 120 mOhms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A
Datasheet
3,022In Stock
4,000Expected 3/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1.5 A 6 VDC 3 A 50 A 80 mOhms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel