About Resettable Fuses - PPTC

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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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
Hot 1812L020/60DR


Resettable Fuses - PPTC 60V 0.20A 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 : 2065
Ship by Tue. 24 Sep to Fri. 27 Sep Calender.png

USD 0.1771

Multiples of: 5

0.2 A0.4 A100 A30 V2.9 OhmsSmd/SmtSmd/Smt1812 (4532 METRIC)1812L- 40 C to + 85 C - 40 C+ 85 C Reel
AHEF1000


TE Connectivity Raychem Resettable Fuses - PPTC 32V 100A Thru-Hole PolySwitch Reset Dev
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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 : 2060
Ship by Mon. 16 Sep to Wed. 18 Sep Calender.png

USD 1.1086

Multiples of: 1

10 A20 A100 A32 VDC16 mOhmsThrough HoleRadial Ahef- 40 C to + 125 C10.9 Mm- 40 C+ 125 CAec - Q200Bulk
Hot 30R300UPR


Polymeric PTC Resettable Fuse 30V 3 A 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 : 2057
Ship by Tue. 24 Sep to Fri. 27 Sep Calender.png

USD 0.3328

Multiples of: 1

3 A6 A40 A30 VDC80 mOhmsThrough HoleRadial 30R- 40 C to + 85 C5.1 Mm- 40 C+ 85 C Ammo Pack
PFRA.090


Resettable Fuses - PPTC PTC 60V I hold 0.9
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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.

Schurter Availability : 2043
Ship by Mon. 16 Sep to Wed. 18 Sep Calender.png

USD 0.3669

Multiples of: 1

0.9 A1.8 A40 A60 VDC470 mOhmsThrough HoleRadial Pfra- 40 C to + 85 C5.8 Mm- 40 C+ 85 C Bulk
Hot 0805L035YR


Resettable Fuses - PPTC 0.35A 6V 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 : 2040
Ship by Tue. 24 Sep to Fri. 27 Sep Calender.png

USD 0.0845

Multiples of: 5

350 mA750 mA100 A6 VDC1.2 OhmsPCB MountSMD/SMT0805 (2012 METRIC)0805L  - 40 C+ 85 C Reel , Cut Tape
1812L050/30GRL


30V 500mA 40A 1A 1812 Resettable Fuses 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.

LUTE Availability : 2038
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USD 0.032

Multiples of: 20

500 mA1 A             
SMD0805-100C-12V


12V 1A 4A 600mW 2A 40mΩ 0.3s 270mΩ 0805 Resettable Fuses 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.

BNstar Availability : 2038
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USD 0.0419

Multiples of: 10

               
SMD1210P110TF


PTC Resettable Fuses 1210 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.

Ruilongyuan Availability : 2037
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USD 0.0579

Multiples of: 5

1.1 A2.2 A             
Hot 30R250UU


Resettable Fuses - PPTC 30V POLYFUSE 2.50A 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 : 2029
Ship by Tue. 10 Sep to Mon. 16 Sep Calender.png

USD 0.2016

Multiples of: 1

2.5 A5 A40 A30 V70 mOhmsThrough HoleRadial 30R 5.1 Mm- 40 C+ 85 C Bulk
JK16-700


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.

Jinrui Electronic Materials Availability : 2026
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USD 0.09

Multiples of: 5

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