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
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Reset
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Reset
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Reset
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Reset
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Reset
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Reset
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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
  
                   
MINISMDC110F/24-2


Resettable Fuses - PPTC 24V 1.1A-HD 40A MAX (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 : 46044
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2967
Multiples of: 1

1.1 A2.2 A20 A24 V0.18 OhmsSmd/SmtSmd/Smt1812 (4532 METRIC)Minismd- 40 C to + 85 C    Reel
30R400UMR


Polymeric PTC Resettable Fuse 30V 4 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 : 38848
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.4865
Multiples of: 1

4 A8 A40 A30 VDC50 mOhmsThrough HoleRadial 30R- 40 C to + 85 C5.1 Mm- 40 C+ 85 C Ammo Pack
NANOASMDC012F-2


Resettable Fuses - PPTC .12A 48V Nano 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 Availability : 36254
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2127
Multiples of: 1

0.12 A0.39 A 48 V6.5 OhmsSmd/SmtSmd/Smt1206 (3216 METRIC)Nanoasmdc- 40 C to + 85 C - 40 C+ 85 CAec - Q200Cut Tape
RF1348-000


Resettable Fuses - PPTC 6V .75A-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 : 35243
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.2183
Multiples of: 3000

               
MINISMDC260F/12-2


Resettable Fuses - PPTC 2.6A 12V 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 : 33765
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2944
Multiples of: 1

2.6 A5 A100 A12 VDC47 mOhmsPCB MountSMD/SMT1812 (4532 METRIC)miniSMD  - 40 C+ 85 C Reel , Cut Tape
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 Availability : 33359
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.0286
Multiples of: 10

0.125 A0.29 A100 A30 VDC6 OhmsSmd/SmtSmd/Smt1206 (3216 METRIC)1206L- 40 C to + 85 C    Reel
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 Availability : 29973
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.3728
Multiples of: 1

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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 Availability : 29404
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.6451
Multiples of: 1

1 A2 A10 A240 VAC580 mOhmsThrough HoleRadial Lvr- 40 C to + 85 C11.4 Mm- 20 C+ 85 C Bulk
Hot 1812L050/30PR


Polymeric PTC Resettable Fuse 30V 500 mA Ih Surface Mount 1812 (4532 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 : 26579
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.0627
Multiples of: 5

               
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 Availability : 25187
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.2036
Multiples of: 1

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