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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Global Stock ⓘ (▲▼)Price(USD) 

(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
RXEF110K-2


PTC Resettable Fuse 1.1A(hold) 2.2A(trip) 72V 40A 1.5W 8.2s 0.15Ohm Radial 12.8 X 3mm 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 : 4268
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.285

Multiples of: 1

1.1 A2.2 A40 A72 VDC380 mOhmsThrough HoleRadial Rxef- 40 C to + 85 C5.8 Mm- 40 C+ 85 C Reel
Hot RUEF300


Resettable Fuses - PPTC 3A 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 : 4262
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.2066

Multiples of: 5

          5.1Mm   Bulk
RF1634-000


ASMD100F-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 : 4235
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.4846

Multiples of: 1

              -
1206L005/60WR


Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 1206 0.05A
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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 : 4196
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.1765

Multiples of: 5

50 mA150 mA10 A60 VDC20 OhmsPCB MountSMD/SMT1206 (3216 METRIC)1206L  - 40 C+ 85 C Reel , Cut Tape
MINIASMDC010F-2


Resettable Fuses - PPTC 60V 40A 12.7Ohms
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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 : 4195
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2438

Multiples of: 1

0.1 A0.3 A-60 V12.7 OhmsSmd/SmtSmd/Smt1812 (4532 METRIC)Miniasmdc- 40 C to + 85 C - 40 C+ 85 CAec - Q200Cut Tape
1206L300/12SLYR


Polymeric PTC Resettable Fuse 12V 3A Ih Surface Mount 1206 (3216 Metric), Concave
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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 : 4176
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.0514

Multiples of: 4000

3 A6 A50 A12 VDC30 mOhmsPCB MountSMD/SMT1206 (3418 METRIC)Low Rho  - 40 C+ 85 C Reel , Cut Tape
femtoSMDC005F-02


Resettable Fuses - PPTC 15V 0.05A Ih 30 Ohm
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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 : 4162
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.4375

Multiples of: 1

0.05 A0.15 A-15 V30 OhmsSmd/SmtSmd/Smt0603 (1608 METRIC)Femtosmd     Cut Tape
RF1640-000


Resettable Fuses - PPTC 16V .8A-HD 70A MAX (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 : 4161
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.5103

Multiples of: 1

0.8 A2 A70 A16 V0.13 Ohms (min)Smd/Smt 2018 (5050 METRIC)Ahs+ 125 C    Reel
RGEF400K-AP


Resettable Fuses - PPTC RGEF400K-AP
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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 : 4120
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.36

Multiples of: 1

4 A6.8 A100 A16 VDC0.06 OhmsThrough HoleRadial Rgef- 40 C to + 85 C - 40 C+ 85 C Reel
2016L260/24MR


Resettable Fuses - PPTC PTC 24V POLYFUSE SURF MOUNT 2016 2.6A
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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 : 3967
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3139

Multiples of: 1

2.6 A5 A40 A24 V75 mOhmsPcb MountSmd/Smt 2016L  - 40 C+ 85 C Cut Tape
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