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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  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
  
                   
RKEF075-2


Polymeric PTC Resettable Fuse 60V 750mA Ih Through Hole Radial, Disc
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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 : 5693
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2538

Multiples of: 1

0.75 A1.5 A-60 V390 mOhmsThrough HoleRadial Rkef- 40 C to + 85 C5.84 Mm- 40 C+ 85 C Reel
Hot TS250-130F-2


Resettable Fuses - PPTC Polyswitch 0.26A
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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 : 5690
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.4491

Multiples of: 1

0.13 A0.26 A3 A60 VDC20 OhmsSmd/SmtSmd/Smt Ts250- 40 C to + 85 C    Reel
PICOSMDC010S-2


Resettable Fuses - PPTC 15V 100A 11Ohms
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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 : 5647
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3485

Multiples of: 1

100 mA300 mA-15 V11 OhmsSmd/SmtSmd/Smt Picosmd  - 40 C+ 85 C Cut Tape
RF5032-000


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 : 5623
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.5112

Multiples of: 1

1.25 A3.75 A40 A12 VDC300 mOhmsPCB MountSMD/SMT1210 (3225 METRIC)Automotive SMD  - 40 C+ 125 C Reel , Cut Tape
RF5051-000


Resettable Fuses - PPTC PICO 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 : 5603
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.39

Multiples of: 1

200 mA470 mA100 A9 VDC3.2 OhmsPCB MountSMD/SMT0805 (2012 METRIC)   - 40 C+ 85 C Reel , Cut Tape
RHEF050-2


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 : 5593
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3513

Multiples of: 1

0.5 A0.92 A40 A30 VDC1.1 OhmsThrough HoleRadial Rhef- 40 C to + 125 C - 40 C+ 125 C Reel
FEMTOSMDC010F/15-2


Resettable Fuses - PPTC FEMTOSMDC010F/15-2
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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 : 5527
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.53

Multiples of: 1

100 mA250 mA40 A15 V14 OhmsSmd/SmtSmd/Smt0603 (1608 METRIC)Femtosmd  - 40 C+ 85 C Cut Tape
30R900UMR


Resettable Fuses - PPTC PTC 30V 9A POLY RADIAL LEADS
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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 : 5480
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8119

Multiples of: 1

9 A18 A40 A30 VDC20 mOhmsPCB MountRadial 30R 10.2 mm- 40 C+ 85 C Ammo Pack
1206L010/60WR


Polymeric PTC Resettable Fuse 60V 100 mA 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 : 5464
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.1648

Multiples of: 5

0.1 A0.25 A10 A60 VDC10 OhmsPCB MountSMD/SMT1206 (3216 METRIC)1206L  - 40 C+ 85 C Reel , Cut Tape
Hot 30R300UU


Resettable Fuses - PPTC 30V POLYFUSE 3A RADIAL LEADS
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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 : 5088
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.175

Multiples of: 1

3 A6 A40 A30 V80 mOhmsThrough HoleRadial 30R 5.1 Mm- 40 C+ 85 C Bulk
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