PTC / Polyswitch

Explore our range of PTC/Polyswitch Resettable Fuses, designed for self-resetting circuit protection. Perfect for safeguarding against overcurrent conditions, offering reliability and durability in various applications.

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Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4545A

0.3A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.05
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4550A

0.5A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.05
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4552A

0.75A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.05
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4553A

0.90A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.05
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4555A

1.10A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.05
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4557A

1.60A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.32
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4558A

1.85A 100W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.32
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4560A

2.50A 200W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.64
Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
R4561A

3.00A 300W 50V PTC Fuse

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20C. Trip Current is the minimum current at which the device will always trip at 20C.
$2.64
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