POWER SUPPLY DEVICE, LIGHTING EQUIPMENT, AND METHOD FOR MANUFACTURING POWER SUPPLY DEVICE
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United States of America
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Nov 17, 2017
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Nov 17, 2017
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Abstract
An input connection part having a first connection part and a second connection part, an anti-surge circuit having a first varistor and a second varistor which are connected in series so as to connect the first connection part and the second connection part, and a lightning arrester device connecting a connection point of the first varistor and the second varistor and a grounding connection part, and a power supply circuit connected to the anti-surge circuit are provided, wherein capacitances of the first varistor and the second varistor are any values from a value of 1.6 times a nominal capacitance of the first varistor and the second varistor to a value of 0.4 times the nominal capacitance.
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