DD40AJSA 5-40V To 1-30V Step Down Power Module Buck Converter Voltage Adjustable Replace LM7812 LM7805 LM2596

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  1. We accept Banks Transfer,PayPal,Western Union and Alipay.

  2. The bank fees are the responsiblity of buyer.

  3. Prices we quoted are correct at this time but may be subject to change after 1 week.

      because of the currency fluctuations and the orderd quantity.





  1. We can ship the items by DHL,UPS,TNT,FedEx and China Post.
      Please contact us directly for choosing the shipment you prefer.
  2. We will ship the items within 3 working days after the payment is received.
  3. We are not responsible for any accidents,delays or other issues that are the responsibility of the shipping company.
  4. Any import fees or postage are the responsibility of buyer.



  1. All the parts we offer are new and original unless specified.

  2. If the items you purchase from our store are not perfect in quality,

      we would arrange your refound or replacement resiponsibly.But the items must remain their original condition.

  3. We succeed depend on our customers' satisfaction,your feedback is extremely imporant for us.



  As a professional electronic wholesaler in shenzhen,
  Our company has already been a famous trading corporation for several years .
  We specialize in:


Integrated CircuitsModulesRelaysResistors

Crystal Oscillators

RJ45 ConnectorsDiodesLEDsInductors
USB ConnectorsFusesSwitches



  If you have any questions,please kindly contact us in any time.
  · Company: Shenzhen Xiongfa Weiye Electronics Co.,Ltd. 
  · Tel: +86 0755-83201446 82553064
  · Fax: +86 0755-83041529
  · Wechat: +86 15914503090

   · Whatsapp: +86 15989305840
  · E-mail: webmaster @centrondz.com

  · Skype: webmaster @centrondz.com

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