About Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC

Resettable fuses, also known as PPTC (Polymeric Positive Temperature Coefficient) resettable fuses, are electronic components that use special polymeric materials that change resistance when heated. When current increases, the fuse will “trip” and open, causing a drop in current flow. Unlike traditional fuses, resettable fuses can be reset with a manual reset button or an automated circuit. Once the current and temperature return to normal levels, the fuse will reset itself and allow current to flow again. This process prevents dangerous situations, like overloaded circuits, that could result in fire or injury. Additionally, resettable fuses are more reliable than traditional fuses because they can withstand multiple trips and reset themselves automatically.

Resettable Fuses - PPTC

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  Hold Current
Reset
  Trip Current
Reset
  Current Rating - Max
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  Maximum Voltage
Reset
  Resistance
Reset
  Mounting Style
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  Termination Style
Reset
  Package / Case
Reset
  Series
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  Operating Temperature Range
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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
RUSBF110-2


Resettable Fuses - PPTC Radial Lead 1.1A 16V 40A Imax
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3095
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3212

Multiples of: 1

1.1 A2.2 A40 A16 VDC140 mOhmsThrough HoleRadial Rusbf- 40 C to + 85 C - 40 C+ 85 C Reel
SMD150F-2018-2


Resettable Fuses - PPTC 1.5A 15V 40A Imax
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3088
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.2421

Multiples of: 1

1.5 A3 A40 A15 VDC180 mOhmsSmd/SmtSmd/Smt2018 (5050 METRIC)Smd- 40 C to + 85 C - 40 C+ 85 C Reel
2920L200/24DR


Resettable Fuses - PPTC 24V 2920 2A POLYFUSE
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3080
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.1942

Multiples of: 5

2 A4 A40 A24 VDC125 mOhmsSmd/SmtSmd/Smt2920 (7351 METRIC)2920L- 40 C to + 85 C    Reel
RF3384-000


Resettable Fuses - PPTC 16V 1.1A-HD 40A MAX
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3048
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.618

Multiples of: 1

               
1812L110PR


Resettable Fuses - PPTC 1812 6V 1.1A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3039
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.0212

Multiples of: 10

1.1 A2.2 A100 A8 VDC210 mOhmsPCB MountSMD/SMT1812 (4532 METRIC)1812L  - 40 C+ 85 C Reel , Cut Tape
E12392-000


PTC Resettable Fuse 0.4A(hold) 1A(trip) 250VDC 3A 2W 5s 0.5Ohm SMD Solder Pad 17.6 X 11.2 X 11.7mm T/R
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3019
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 2.6309

Multiples of: 1

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1210L400SLWR


Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3016
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0863

Multiples of: 1

4 A8 A50 A6 VDC14 mOhmsPCB MountSMD/SMT1210 (3225 METRIC)Low Rho  - 40 C+ 85 C Reel , Cut Tape
RF5034-000


Resettable Fuses - PPTC MICRO SMD RESETTABLE FUSE
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3011
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.5196

Multiples of: 1

750 mA2.25 A20 A16 VDC680 mOhmsPCB MountSMD/SMT1210 (3225 METRIC)Automotive SMD  - 40 C+ 125 C Reel , Cut Tape
RF2555-000


Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 3008
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.3912

Multiples of: 1

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1210L110THYR


Resettable Fuses - PPTC PTC 8V 1210 1.1A POLYFUSE SMD THIN
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 2988
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.0448

Multiples of: 5

1.1 A2.2 A100 A8 V210 mOhmsSmd/SmtSmd/Smt1210 (3225 METRIC)1210L- 40 C to + 85 C - 40 C+ 85 C Reel
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