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
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  Maximum Voltage
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  Resistance
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  Package / Case
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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
1210L11012WR


Littelfuse Resettable Fuses - PPTC 12V 1.10A 1210 PTC
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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 : 13071
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.54
Multiples of: 1

  -     1210L     Reel
Hot RGEF250-2


Resettable Fuses - PPTC RGEF250-2
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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 : 13017
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.2567
Multiples of: 1

2.5 A4.7 A100 A16 VDC53 mOhmsThrough HoleRadial Rgef- 40 C to + 85 C - 40 C+ 85 C Reel
0805L010/24YR


Resettable Fuses - PPTC 0.10A 24V 0805
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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 : 13005
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.03
Multiples of: 10

        0805L     Cut Tape
1812L20016DR


Littelfuse Resettable Fuses - PPTC 16V 2.00A 1812 PTC POLY SMT
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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 : 13003
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.4335
Multiples of: 1

2 A3.5 A100 A16 VDC70 mOhmsPCB MountSMD/SMT 1812L  - 40 C+ 85 C Reel , Cut Tape
Hot RXEF135-2


Resettable Fuses - PPTC Radial Lead 1.35A 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 : 12998
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.2707
Multiples of: 1

1.35 A2.7 A40 A72 VDC300 mOhmsPCB MountRadial RXEF 5.8 mm- 40 C+ 85 C Reel , Cut Tape
microSMD550LR-2


Resettable Fuses - PPTC IH5.50A 6V .00065ohm 50A 1210 LoRho SMD
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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 : 12810
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.4731
Multiples of: 1

5.5 A11 A50 A6 V6.5 mOhmsSmd/SmtSmd/Smt1210 (3225 METRIC)Low Rho Smd  - 40 C+ 80 C Cut Tape
Hot 1812L050PR


Resettable Fuses - PPTC 1812 15V .5A
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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 : 12579
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.034
Multiples of: 10

0.5 A1 A100 A15 VDC1 OhmsSmd/SmtSmd/Smt1812 (4532 METRIC)1812L- 40 C to + 85 C    Reel
0603L100SLYR


Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 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 : 12548
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.8043
Multiples of: 5

1 A1.8 A50 A6 V210 mOhmsSmd/SmtSmd/Smt0603 (1608 METRIC)Lorho- 40 C to + 85 C - 40 C+ 85 C Reel
zeptoSMDC0011F


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 : 12447
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2289
Multiples of: 1

11 mA80 mA82 mA13 V80 Ohms SMD/SMT ZeptoSMDC  - 20 C+ 60 C Reel , Cut Tape
RKEF110


Resettable Fuses - PPTC 60V 40A 2.20W Radial-leaded Device
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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 : 12352
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2863
Multiples of: 1

1.1 A2.2 A40 A60 VDC470 mOhmsPCB MountRadial RKEF 5.84 mm- 40 C+ 85 C Bulk
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