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.
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  Hold Current
Reset
  Trip Current
Reset
  Current Rating - Max
Reset
  Maximum Voltage
Reset
  Resistance
Reset
  Mounting Style
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  Termination Style
Reset
  Package / Case
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  Series
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  Operating Temperature Range
Reset
  Lead Spacing
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  Minimum Operating Temperature
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  Maximum Operating Temperature
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  Qualification
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  Packaging
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Image  Information Image Stock Code(▲▼)Description
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Global Stock ⓘ (▲▼)Price(USD

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Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
AHEF100


Resettable Fuses - PPTC 32V 100A Thru-Hole PolySwitch Reset Dev
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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 : 5158
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USD 0.4105

Multiples of: 1

1 A1.9 A-32 V1.1 OhmsThrough HoleRadial Ahef- 40 C to + 125 C5.8 Mm- 40 C+ 125 CAec - Q200Bulk
SRP175F


Resettable Fuses - PPTC SRP175F
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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 : 5082
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USD 0.3812

Multiples of: 1

1.75 A3.8 A100 A15 VDC120 mOhmsStrapAxial Srp- 40 C to + 85 C - 40 C+ 85 C Bulk
RXEF050S-AP


TE Connectivity Raychem Resettable Fuses - PPTC .5A 72V 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 : 5058
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2512

Multiples of: 1

0.5 A1 A-72 VDC1.17 OhmsThrough HoleRadial Rxef- 40 C to + 85 C - 40 C+ 85 C Bulk
NANOASMDC035F-2


Resettable Fuses - PPTC .35A 16V Nano SMD AEC-Q200
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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 : 5055
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2515

Multiples of: 1

350 mA750 mA20 A16 VDC1.35 OhmsPCB MountSMD/SMT1206 (3216 METRIC)nanoASMDC  - 40 C+ 85 CAEC - Q200Reel , Cut Tape
0805L200SLTHYR


Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.00A
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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 : 4987
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8638

Multiples of: 1

2 A4 A50 A6 V0.045 OhmsSmd/SmtSmd/Smt0805 (2012 METRIC)Lorho- 40 C to + 85 C - 40 C+ 85 C Reel
RF3382-000


Resettable Fuses - PPTC 16V .9A-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 : 4944
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.8789

Multiples of: 1

               
0603L200SL-VYR


Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0603 SL 2.00A
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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 : 4933
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.9363

Multiples of: 1

2 A4 A50 A6 VDC40 mOhmsPCB MountSMD/SMT0603 (1810 METRIC)Low Rho  - 40 C+ 85 C Reel , Cut Tape
FEMTOSMDC020F-2


Resettable Fuses - PPTC
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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 : 4907
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.498

Multiples of: 1

        Femtosmd     Cut Tape
E63843-000


Fuse Chip 2A Fast 2-Pin Solder Pad Surface Mount 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 : 4866
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.2517

Multiples of: 368

        Sff- 55 C to + 125 C    Reel
RUEF900


Resettable Fuses - PPTC 9A 30V 100A 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 : 1757
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USD 0.5525

Multiples of: 1

          10.2Mm   Bulk
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