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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  Maximum Voltage
Reset
  Resistance
Reset
  Mounting Style
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  Termination Style
Reset
  Package / Case
Reset
  Series
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  Operating Temperature Range
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  Lead Spacing
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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
  
                   
RF1302-000


Resettable Fuses - PPTC 600V .15A-HD 3A 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 : 4094
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 0.6365

Multiples of: 1

0.15 A0.3 A3 A60 V12 OhmsThrough HoleRadial        
2920L600/12MR


Resettable Fuses - PPTC 12V 6.0A-HD 50A 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 : 4093
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3997

Multiples of: 1

               
RUSBF075-2


Resettable Fuses - PPTC Radial Lead .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 : 4087
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2712

Multiples of: 1

0.75 A1.3 A40 A6 VDC230 mOhmsThrough HoleRadial Rusbf- 40 C to + 85 C - 40 C+ 85 C Reel
ASMD100F-2


Resettable Fuses - PPTC Polyswitch 2.16A 16-60V
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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 : 4073
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.3939

Multiples of: 1

900 mA2.16 A40 A30 VDC480 mOhmsPCB MountSMD/SMT2920 (7351 METRIC)ASMD  - 40 C+ 85 CAEC - Q200Reel , Cut Tape
LR4-600XF


Resettable Fuses - PPTC LR4-600XF
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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 : 4066
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.6324

Multiples of: 1

6 A11.7 A100 A20 VDC14 mOhmsStrapAxial Lr4- 40 C to + 125 C - 40 C+ 125 C Bulk
RUEF135-2


Resettable Fuses - PPTC 1.35A 30V 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 : 4055
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2634

Multiples of: 1

1.35 A2.7 A100 A30 VDC130 mOhmsThrough HoleRadial Ruef- 40 C to + 85 C - 40 C+ 85 C Reel
RKEF500-1


Resettable Fuses - PPTC 60V 40A 5.00W Radial-leaded Device
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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 : 4048
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.6502

Multiples of: 1

5 A10 A40 A60 V50 mOhmsThrough HoleRadial Rkef 10.9 Mm- 40 C+ 85 C Bulk
RUSBF090-2


Resettable Fuses - PPTC Radial Lead .9A 16V 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 : 4024
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.2553

Multiples of: 1

0.9 A1.8 A40 A16 VDC180 mOhmsThrough HoleRadial Rusbf- 40 C to + 85 C - 40 C+ 85 C Reel
0603L025YR


Resettable Fuses - PPTC PTC 9V .250A POLY 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 Availability : 4023
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.0879

Multiples of: 5

0.25 A0.55 A40 A9 VDC3 OhmsSmd/SmtSmd/Smt0603 (1608 METRIC)0603L- 40 C to + 85 C    Reel
PICOASMDCH010F-2


Polymeric PTC Resettable Fuse 16V 100 mA Ih Surface Mount 0805 (2012 Metric), Concave
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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 0.4014

Multiples of: 1

100 mA600 mA40 A16 V10 OhmsPcb MountSmd/Smt Asmdch  - 40 C+ 125 C Cut Tape
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