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
  Current Rating - Max
Reset
  Maximum Voltage
Reset
  Resistance
Reset
  Mounting Style
Reset
  Termination Style
Reset
  Package / Case
Reset
  Series
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  Operating Temperature Range
Reset
  Lead Spacing
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  Minimum Operating Temperature
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  Maximum Operating Temperature
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  Qualification
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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
RHEF550


Resettable Fuses - PPTC 5.5A 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 : 5820
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.4425
Multiples of: 1

5.5 A -16 VDC Through HoleRadial Rhef- 40 C to + 125 C - 40 C+ 125 C Bulk
1210L020/72WR


Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 1210 0.20A
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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 : 5820
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.6396
Multiples of: 1

200 mA400 mA10 A72 VDC5 OhmsSMD/SMTSMD/SMT1210 (3225 METRIC)1210L  - 40 C+ 85 C Reel , Cut Tape
SMDC310F/18-02


Resettable Fuses - PPTC SMDC310F18-02
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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 : 5820
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.26
Multiples of: 1

3.1 A6 A50 A18 VDC36 mOhmsPCB MountSMD/SMT SMDC  - 40 C+ 85 C Reel , Cut Tape
miniASMDCH050F


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 : 5795
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.3862
Multiples of: 1

500 mA1.6 A20 A30 VDC1.35 OhmsPCB MountSMD/SMT1812 (4532 METRIC)Automotive High Temperature SMD  - 40 C+ 125 CAEC - Q200Reel , Cut Tape
1210L600SLWR


Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 1210 SL 6.00A
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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 : 5780
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.24
Multiples of: 1

6 A12 A50 A6 VDC10 mOhmsPCB MountSMD/SMT1210 (3428 METRIC)Low Rho  - 40 C+ 85 C Reel , Cut Tape
1206L050/24WR


Resettable Fuses - PPTC 24V .5A-HD 100A MAX
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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 : 5769
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.1737
Multiples of: 5

0.5 A1 A100 A24 VDC750 mOhmsPcb MountSmd/Smt1206 (3216 METRIC)1206L  - 40 C+ 85 C  
NANOSMDC010F-2


Resettable Fuses - PPTC NANOSMDC010F-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 : 5767
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.1099
Multiples of: 5

100 mA250 mA10 A60 V15 OhmsSmd/SmtSmd/Smt1206 (3216 METRIC)Nanosmd  - 40 C+ 85 C Cut Tape
0603L004YR


Littelfuse Resettable Fuses - PPTC 24V .035A 0603 PTC
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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 : 5755
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.4508
Multiples of: 5

40 mA120 mA20 A24 VDC40 OhmsPCB MountSMD/SMT 0603L  - 40 C+ 85 C Reel , Cut Tape
MINIASMDC075F/33-2


Resettable Fuses - PPTC MINIASMDC075F33-2
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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 : 5723
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.4135
Multiples of: 1

750 mA1.6 A100 A33 V390 mOhmsPcb MountSmd/Smt1812 (4532 METRIC)Miniasmd  - 40 C+ 85 C  
1812L26016MR


Littelfuse Resettable Fuses - PPTC PTC 16V POLY SURF
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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 : 5722
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.6063
Multiples of: 1

2.6 A5 A100 A16 VDC0.05 OhmsSmd/SmtSmd/Smt1914 (4935 METRIC)1812L- 40 C to + 85 C - 40 C+ 85 C Reel
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