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Device for preventing electric current backward flowing and output capacitor discharging
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All-digital control high-power alternating-current and direct-current converter
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High-voltage direct current signal isolating and sampling device of non-optical coupling element
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Power source output current direction control and protection device
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Anti-interference power wiring harness structure
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Power source radiator
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Wide input range PFC convertor
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Filtering control unit of communication direct-current power supply system
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High-voltage and wide-output direct-current conversion device
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Direct-current power supply with power failure retention time
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Charging power supply equipment capable of automatically detecting and controlling
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Power supply distributor for communication device
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Anti-electromagnetic-resistance high-power system power supply
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