About Resettable Fuses - PPTC

Bourns 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
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  Resistance
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  Package / Case
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  Operating Temperature Range
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(Ex. GST)(▲▼)		Enter Qty Hold CurrentTrip CurrentCurrent Rating - MaxMaximum VoltageResistanceMounting StyleTermination StylePackage / CaseSeriesOperating Temperature RangeLead SpacingMinimum Operating TemperatureMaximum Operating TemperatureQualificationPackaging
  
                   
MF-R400-AP


Bourns Resettable Fuses - PPTC 4A 30V 0.01ohm Hold 4.0 Trip 8.0
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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.

Bourns Availability : 0
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USD 0.2563
Multiples of: 1500

4 A8 A40 A30 VDC0.03 OhmsThrough HoleRadial Mf - R- 40 C to + 85 C5.1 Mm- 40 C+ 85 C Ammo Pack
MF-RM008/240-0


Resettable Fuses - PPTC 0.08A 240V 7.4ohm
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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.

Bourns Availability : 0
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USD 0.2627
Multiples of: 1

80 mA190 mA1.2 A240 V7.4 OhmsThrough HoleRadial Mf - Rm 5.1 Mm- 20 C+ 85 C Bulk
MF-R020-99


Resettable Fuses - PPTC 0.20A 60V 1.5ohm Hold .20 Trip .40
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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.

Bourns Availability : 0
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USD 0.2644
Multiples of: 1

200 mA400 mA40 A60 VDC2.84 OhmsThrough HoleRadial Mf - R 5.1 Mm- 40 C+ 85 C Bulk
MF-RX110-AP


Resettable Fuses - PPTC 1.10A 60V 0.15ohm Hold 1.1A Trip 2.2A
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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.

Bourns Availability : 0
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USD 0.2647
Multiples of: 1500

1.1 A2.2 A40 A60 VDC0.25 OhmsThrough HoleRadial Mf - Rx- 40 C to + 85 C5.1 Mm   Ammo Pack
MF-R055/90-AP


Resettable Fuses - PPTC 0.55A 90V 0.45ohm Hold .55 Trip 1.1
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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.

Bourns Availability : 0
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USD 0.2683
Multiples of: 1500

0.55 A1.1 A10 A90 VDC0.9 OhmsThrough HoleRadial Mf - R/90- 40 C to + 85 C5.1 Mm   Ammo Pack
MF-RX185-AP


Resettable Fuses - PPTC 1.85A 60V 0.08ohm Hold 1.85A Trip 3.7A
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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.

Bourns Availability : 0
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USD 0.2683
Multiples of: 1500

1.85 A3.7 A40 A60 VDC0.12 OhmsThrough HoleRadial Mf - Rx- 40 C to + 85 C5.1 Mm   Ammo Pack
MF-R075/90-AP


Resettable Fuses - PPTC 0.75A 90V 0.37ohm Hold .75 Trip 1.5
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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.

Bourns Availability : 0
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USD 0.2683
Multiples of: 1500

0.75 A1.5 A40 A90 VDC0.75 OhmsThrough HoleRadial Mf - R/90- 40 C to + 85 C5.1 Mm   Ammo Pack
MF-R055/90U-AP


PTC Resettable Fuse 0.55A(hold) 1.1A(trip) 90V 10A 2W 28s 0.45Ohm Radial 10.3 X 3mm Ammo
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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.

Bourns Availability : 0
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USD 0.2683
Multiples of: 1500

0.55 A1.1 A10 A90 VDC0.9 OhmsThrough HoleRadial Mf - R/90- 40 C to + 85 C5.1 Mm   Ammo Pack
MF-R010-0-003


Resettable Fuses - PPTC 0.10A 60V 2.5ohm Hold .10 Trip .20
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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.

Bourns Availability : 0
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USD 0.2688
Multiples of: 1

100 mA200 mA40 A60 VDC4.5 OhmsThrough HoleRadial Mf - R 5.1 Mm- 40 C+ 85 C Bulk
CMF-RL35A-0


Resettable Fuses - PPTC Ceramic 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.

Bourns Availability : 0
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USD 0.273
Multiples of: 1

75 mA150 mA3 A230 VAC35 OhmsThrough HoleRadial Cmf - Rl 5.08 Mm- 40 C+ 125 C Tray
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