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PTC Resettable Fuses

PTC fuses are based on a unique positive coefficient material with exponentially increasing internal resistance due to overcurrent conditions and higher temperatures. During tripping, the high resistance provided by the fuse prevents current from flowing through the circuit until the overtemperature source is removed and falls below the design current/temperature limit. Once the fault current is removed or the ambient temperature cools, the fuse re-enters the conductive state, allowing current to flow through the circuit again.

Pictures Part Number Brand Stock Price Quantity Online Service
FSMD075-33R FSMD075-33R Fuzetec 1780 $2.98
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FSMD050-2920-R FSMD050-2920-R Fuzetec 10800 $4.67
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FSMD035-R FSMD035-R Fuzetec 0 $0.00
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FSMD030-2920-R FSMD030-2920-R Fuzetec 21800 $4.67
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FSMD014 FSMD014 Princeton 15000 $0.05
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FSMD010-R FSMD010-R Fuzetec 251000 $0.06
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2920L185DR 2920L185DR Littelfuse Inc. 79155 $0.18
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2920L150DR 2920L150DR Littelfuse Inc. 21500 $0.18
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2920L125PR 2920L125PR Littelfuse Inc. 3130 $0.19
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2016L050MR 2016L050MR Littelfuse Inc. 108100 $0.10
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2016L030DR 2016L030DR Littelfuse Inc. 70500 $0.21
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1812L125PRT 1812L125PRT Littelfuse Inc. 0 $0.00
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1812L125DRHF 1812L125DRHF Littelfuse Inc. 93000 $4.01
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1812L125DR 1812L125DR Littelfuse Inc. 31000 $4.01
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2920L300/15DR 2920L300/15DR Littelfuse Inc. 75300 $0.17
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2920L030DR 2920L030DR Littelfuse Inc. 135000 $0.24
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250R120U 250R120U Littelfuse Inc. 44000 $0.34
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B59980C0120A51 B59980C0120A51 EPCOS (TDK) 0 $0.00
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B59970C130A70 B59970C130A70 EPCOS (TDK) 7750 $7.91
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B59940C120A70 B59940C120A70 EPCOS (TDK) 11900 $15.00
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