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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
MF-SM250-2-H5 MF-SM250-2-H5 Bourns Inc. 54000 $0.11
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MF-SM250-2-99 MF-SM250-2-99 Bourns Inc. 29600 $9.84
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MF-SM250-2 MF-SM250-2 Bourns Inc. 6000 $0.11
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MF-SM075-2-99 MF-SM075-2-99 Bourns Inc. 54000 $0.15
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MF-SM075-2 MF-SM075-2 Bourns Inc. 44500 $0.14
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MF-MSMF014-2 MF-MSMF014-2 Bourns Inc. 400000 $0.03
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MF-MSMF010-2 MF-MSMF010-2 Bourns Inc. 78100 $0.03
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MF-MSMDC110-2 MF-MSMDC110-2 Bourns Inc. 0 $0.00
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MF-MSMC110-2 MF-MSMC110-2 Bourns Inc. 0 $0.00
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MF-SM05-2-99 MF-SM05-2-99 Bourns Inc. 4500 $5.62
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MF-SM050-2-99 MF-SM050-2-99 Bourns Inc. 8050 $0.14
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MF-R900 MF-R900 Bourns Inc. 1820 $9.71
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MF-R800 MF-R800 Bourns Inc. 2400 $10.64
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MF-R700 MF-R700 Bourns Inc. 4340 $0.42
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MF-R600 MF-R600 Bourns Inc. 5460 $13.30
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MF-R300 MF-R300 Bourns Inc. 4190 $0.20
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MF-R250-2-99 MF-R250-2-99 Bourns Inc. 3670 $9.48
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MF-R075 MF-R075 Bourns Inc. 8450 $0.09
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MF-R065-2 MF-R065-2 Bourns Inc. 1930 $8.50
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MF-MSMC100-2 MF-MSMC100-2 Bourns Inc. 0 $0.00
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