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
Reset
Trip Current
Reset
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Reset
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Reset
Resistance
Reset
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Reset
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Reset
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Reset
Series
Reset
Operating Temperature Range
Reset
Lead Spacing
Reset
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Reset
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Reset
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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
1812L020PR


Resettable Fuses - PPTC 30V 1812 .200A POLYFUSE
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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 32650
Ships to you
between Mon. 20 May to Thu. 23 May Calender.png

USD 0.0295
Multiples of: 10

200 mA400 mA100 A30 VDC5 OhmsPCB MountSMD/SMT1812 (4532 METRIC)1812L  - 40 C+ 85 C Reel , Cut Tape
LVR100S-240


Resettable Fuses - PPTC LVR 240V 1A POLYSWITCH RESET
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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 30403
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.6394
Multiples of: 1

1 A2 A10 A240 VAC580 mOhmsThrough HoleRadial Lvr- 40 C to + 85 C11.4 Mm- 20 C+ 85 C Bulk
TR250-145US


Resettable Fuses - PPTC TR250-145US
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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 29973
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 0.3613
Multiples of: 1

              -
1206L012WR


Resettable Fuses - PPTC 30V 1206 .125A SURF MOUNT
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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 29148
Ships to you
between Mon. 20 May to Thu. 23 May Calender.png

USD 0.0454
Multiples of: 10

0.125 A0.29 A100 A30 VDC6 OhmsSmd/SmtSmd/Smt1206 (3216 METRIC)1206L- 40 C to + 85 C    Reel
RUEF400-2


Resettable Fuses - PPTC 4A 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 26190
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 0.2715
Multiples of: 1500

4 A8 A100 A30 VDC50 mOhmsThrough HoleRadial Ruef- 40 C to + 85 C5.8 Mm   Reel
1206L035/30WR


Resettable Fuses - PPTC PTC 30V POLYFUSE SURF MOUNT 1206 0.35A
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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 25771
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.2461
Multiples of: 1

350 mA750 mA100 A30 VDC1.2 OhmsPCB MountSMD/SMT1206 (3216 METRIC)1206L  - 40 C+ 85 C Reel , Cut Tape
RF4563-000


Resettable Fuses - PPTC NANOASMDC010F-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 25310
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.2058
Multiples of: 1

0.1 A0.25 A10 A60 VDC15 OhmsPCB MountSMD/SMT1206 (3216 METRIC)miniASMD  - 40 C+ 85 C  
TM2P-10271-2


Two Pro Devices Help Provide Reliable Connectivity
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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 25200
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.6647
Multiples of: 1

0.15 A0.3 A-60 VDC16 OhmsThrough HoleRadial 2Pro- 40 C to + 85 C12 Mm- 40 C+ 85 C Reel
RF0012-000


PTC Resettable Fuse 0.12A(hold) 0.24A(trip) 60VDC 0.8W 2.5s 4Ohm Radial 6.5 X 4.6 X 7mm 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 24636
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 0.5705
Multiples of: 1

0.12 A0.24 A3 A60 VDC16 OhmsThrough HoleRadial Trf250- 40 C to + 85 C     
MICROASMD005F-2


Resettable Fuses - PPTC .05A 30V Micro SMD 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 24191
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 0.2439
Multiples of: 1

0.05 A0.15 A-30 V50 OhmsSmd/SmtSmd/Smt1210 (3225 METRIC)Microasmd- 40 C to + 85 C - 40 C+ 85 CAec - Q200Cut Tape
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