Composite circuit protection device
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United States of America Patent
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Sep 17, 2019
Grant Date -
N/A
app pub date -
Apr 27, 2018
filing date -
Apr 27, 2018
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Abstract
A composite circuit protection device includes a polymer positive temperature coefficient (PPTC) component, a voltage-dependent resistor, a first conductive lead and a second conductive lead. The PPTC component is formed with a hole and includes a positive temperature coefficient (PTC) polymeric layer, and first and second electrode layers respectively disposed on two opposite surfaces of the PTC polymeric layer. The hole is formed in the PTC polymeric layer. The voltage-dependent resistor is connected to the second electrode layer of the PPTC component. The first and second conductive leads are respectively bonded to the first electrode layer of the PPTC component and the voltage-dependent resistor.
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