David Cheng Electronics Co., Ltd.
HIGH QUALITY POWER ADAPTOR & TRANSFORMER SERIES
ISO 9002 CERTIFIED MANUFACTUERER

 

Please fill in the request form below. We will provide you with the best information for your own particular needs as soon as possible.
Company Name:
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*Please provide following data for AC adapter, if available.
*Input :______VAC _______ Hz
*Output :_______V AC or DC _________ mA Max.  _______ V AC or  DC _________ mA  at Normal loading.
No loading _____VAC or DC______ mA 
*Type of plug:  ___________ or which National
*Polarity:_________________ inner positive or negative.
*Other Electronically or mechanical specification.

Welcome for your opinion or fill on adapter specification: