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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Reset
  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
  
                   
60R040XPR


Resettable Fuses - PPTC 60V .400A 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 : 3988
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3082

Multiples of: 1

0.4 A0.8 A40 A60 VDC1.29 OhmsThrough HoleRadial 60R- 40 C to + 85 C5.1 Mm- 40 C+ 85 C Ammo Pack
1210L350SLWR


Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A
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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 : 3958
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0863

Multiples of: 1

3.5 A7 A50 A6 V18 mOhmsSmd/SmtSmd/Smt1210 (3225 METRIC)Lorho- 40 C to + 85 C - 40 C+ 85 C Reel
Hot 30R090UPR


Polymeric PTC Resettable Fuse 30V 900 mA 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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.2002

Multiples of: 2000

0.9 A1.8 A40 A30 VDC220 mOhmsThrough HoleRadial 30R- 40 C to + 85 C5.1 Mm   Ammo Pack
Hot AHS080-2018-2


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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.3472

Multiples of: 1

0.8 A2 A70 A16 VDC550 mOhmsSmd/SmtSmd/Smt2018 (5050 METRIC)Ahs- 40 C to + 125 C - 40 C+ 125 CAec - Q200Reel
ASMDC125F/33-2


Resettable Fuses - PPTC 1.25A 33VDC 40A 2920 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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.4183

Multiples of: 1

1.25 A2.5 A40 A33 VDC250 mOhmsPCB MountSMD/SMT ASMDC  - 40 C+ 85 CAEC - Q200Reel , Cut Tape
RHEF1000-2


Resettable Fuses - PPTC RHEF1000-2
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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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.4073

Multiples of: 1000

10 A18.5 A100 A16 VDC15 mOhmsThrough HoleRadial Rhef- 40 C to + 125 C - 40 C+ 125 C Reel
LVR033K-2


Resettable Fuses - PPTC 4.5A 2Pin T/R LN VOLTAGE PRODUCTS
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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 : 3880
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.4439

Multiples of: 1

0.33 A0.74 A4.5 A240 VAC2.6 OhmsThrough HoleRadial Lvr- 40 C to + 85 C5.8 Mm- 20 C+ 85 C Cut Tape
RHEF1100


Resettable Fuses - PPTC 11A 16V 20AWG 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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.6213

Multiples of: 1

11 A -16 VDC Through HoleRadial Rhef- 40 C to + 125 C - 40 C+ 125 C Bulk
RF3323-000


Resettable Fuses - PPTC RHEF1100
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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 : 3880
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.675

Multiples of: 1

               
1210L260SLYR


Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 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 : 3880
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8717

Multiples of: 1

2.6 A5 A50 A6 V20 mOhmsPCB MountSMD/SMT1210 (3225 METRIC)Low Rho  - 40 C+ 85 C Reel
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