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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  Package / Case
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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
  
                   
0805L300SLWR


Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A
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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 : 3431
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.9901

Multiples of: 1

3 A6 A50 A6 V30 mOhmsSmd/SmtSmd/Smt0805 (2012 METRIC)Lorho- 40 C to + 85 C - 40 C+ 85 C Reel
RF0312-000


PTC Resettable Fuse 40A 15VDC 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 : 3419
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.3545

Multiples of: 1

2 A4 A40 A15 VDC125 mOhmsSmd/SmtSmd/Smt3425 (8763 METRIC)Smd- 40 C to + 85 C    Reel
3425L300/36MR


Resettable Fuses - PPTC 3425L Series 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 : 3402
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.5208

Multiples of: 1

3 A6 A20 A36 V60 mOhmsPCB MountSMD/SMT 3425L  - 40 C+ 85 C Reel , Cut Tape
Hot RXEF135K


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 : 3395
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.1903

Multiples of: 1

1.35 A2.7 A40 A72 V0.3 OhmsThrough HoleRadial Rxef- 40 C to + 85 C - 40 C+ 85 C Bulk
RF1633-000


ASMD075F-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 : 3370
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.4779

Multiples of: 2000

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1206L150SLYR


Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A
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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 : 3349
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8372

Multiples of: 1

1.5 A3 A50 A6 V65 mOhmsSmd/SmtSmd/Smt1206 (3216 METRIC)Lorho- 40 C to + 85 C - 40 C+ 85 C Reel
RXEF017-AP


PTC Resettable Fuse 0.17A(hold) 0.34A(trip) 60V 40A 0.48W 3s 3.3Ohm Radial 7.4 X 3mm Ammo Pack
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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 : 3346
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2254

Multiples of: 1

0.17 A0.34 A40 A60 VDC8 OhmsThrough HoleRadial Rxef- 40 C to + 85 C - 40 C+ 85 C Ammo Pack
0805L350SLYR


Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0805 SL 3.50A
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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 : 3292
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.1088

Multiples of: 1

3.5 A7 A50 A6 VDC25 mOhmsPCB MountSMD/SMT0805 (2215 METRIC)Low Rho  - 40 C+ 85 C Reel , Cut Tape
Hot microSMD075F-2


Resettable Fuses - PPTC .75A 6V 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 : 3288
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.1293

Multiples of: 5

0.75 A1.5 A40 A6 VDC400 mOhmsSmd/SmtSmd/Smt1210 (3225 METRIC)Microsmd- 40 C to + 85 C    Reel
Hot RGEF300


PTC Resettable Fuses Through Hole RoHS
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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 : 3288
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.2817

Multiples of: 1

3 A5.1 A100 A16 VDC97.5 mOhmsPCB MountRadial RGEF 5.8 mm- 40 C+ 85 C Bulk
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