• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: hddvb
  • Model Number: DC12V2.0A
  • Output Type: AC
  • Connection: Plug In
  • Product Name: DC Power Adaptor
  • Output: DC 12v /2A
  • Usage: Digital Products
  • input: AC 110/240

Packaging & Delivery

Packaging Details PE bag , 1pcs with one bag
Delivery Time 5 working days

Welcom OEM  power adapter 

contact us : xbq123298

TM :CN1000330896

Product Description

 1, performance parameters

 input: 50/60Hz 110-250VAC
output no-load voltage: 12VDC + 5%
  rated load current: 2000mA + 200mA
 ripple and noise is less than 150mVP-P
output mode: DC linear output



1.  Range of Use

    This adapter is powered to match the product.


2.Using Eviornment:

   woring temporature:  -10-+40℃     

Storage temperature:   -20-65

relative humidity:     less than  95%

atmospheric pressure :  70-106KPa

3.1   Input Characteristics

  AC input voltage:100-240VAC  50/60Hz

Maximum input current   :less than 400mA(At the lower limit of the rated value of the input voltage)

3.2  Output Characteristic

3.2.1  Output no-load voltage:  12VDC±5%

3.2.2  Output load current   :  2000mA±200mA

3.2.3  Output ripple    less than 150mVpK-PK

  Test condition: Under any load conditions, an oscilloscope with a bandwidth of 20MHZ is connected to the output end of the adapter, and at the same time, a 104P capacitor and a 47UF electrolytic capacitor are connected in parallel at the output end.

3.2.4  Work Efficiency

When rated voltage, conversion efficiency higher than 80% when the fill load (lower limit when the input voltage is the rated voltage value, the output power to the rated output power of 60%)

3.3  Surge Current

Instantaneous surge current  less than 20A

3.4 Leakage Current

     The leakage current between the adapter and ground  less than 0.3mA

4.  Reliability Test

4.1.  Low temperature test

         Test method:  according to the GB2423.1-89 (test Ab). The product is not packaged, the test temperature is -20 C + + 3 C (degree); test duration is  8 hours.  then the adapter function should be normal.

4.2 High Temporature Test

         Test method:  according to the GB2423.2-89 (test Bb), the product is not packaged, the test temperature is 65 C + 2 C, the test duration is 8 hours. After that, the adapter function should be normal.

4.3  Constant Damp Heat Test

         Test method: according to GB/T2423.9-89 (test Cb). The product is not packaged. Test temperature  is 40 C + 2 C. Test duration 48 hours. After that, the adapter function should be normal.

4.4  Vibration Test

     Test method : according to the GB/T2423.10-1995 (test Fc). The frequency is 10-55Hz. The amplitude is 3.5MM. in each direction up and down the frequency for 10 times. After that,the adapter function should be normal.

4.5  Free Fall Test

    Test method : according to the GB/2423.81 (test Ed). The height of the 900MM test bed thickness of 20MM hard board, the number of tests for the 2 time.after that,the adapter function should be normal.

4.6  Insulation Strength

4.6.1 Live parts and the output circuit and the housing should be able to withstand the 50Hz, the effective value of the voltage of 3000V AC 3 seconds (leakage current < 5mA). No breakdown or arcing phenomenon.

 4.6.2 The output circuit and the shell should be able to withstand the voltage of AC3000V for 3 seconds. No breakdown or arcing phenomenon of 50Hz.

4.7  Insulation Resistance

  When the environment temperature is 15-35 DEG C, relative humidity of 90%, the test voltage is DC500V, and the output circuit between live parts and shell insulation resistance is not lower than 10 meg-ohm. The insulation resistance between output circuit and case is  not less than 4 meg-ohm .

5.  Mechanical Properties

  Adapter shell color is black,  smooth surface. No damage, no corrosion defects and other defects.

   6: Physical Map


Packaging & Shipping

 1pcs with one PE bag 

 0.1KG /pcs 

100pcs/CTN 11kg/CTN


1,We can accept T/T and Western Union and Money Gram paypal,the best way is derect online payment ,you can choose yourse.If you want other payment terms please let us know before when you order

 2,Full payment must be made within 7days after placing your order ,or the order will be invalid or canceled by the system

 3,Make Sure the you have completed all detailed information like contact person ,address,post code and telephone number when you filling in your buye’s information



Note: DHL/UPS /Fedex Express usually take about 3-5 working days to the destination .And it’s about 5-8 work days by EMS or TNT. 

 1,We will send the goods within 3 business days after the full payment has been confirmed. If the payment is not available ,your order will be closed automatically.

 2,The buyer are responsible for any insurance ,problems and damage which caused by shipping service such accidents,delays or other issues .Besides the buyer should to be responsible or any tax and /or duty charged by their country .And the goods will be marked as “gift” or “sample “for your easy customs clearance and less

charge.(if you want to declare the goods as other item name ,or specify and value for custom ,please inform us when making the order)


Return and Warranty

1,All the goods are inspected before shipment ,So if you are not satisfied with the purchase ,you can exchange the items in one week and you must contact us within 24 hours of the recipt of your purchase

2,The shipping and handling charge is not refundable and customer should be responsible for all the charges of returning and reshipping

3,All return items must be in its original conditions, Including box and accessories .Men made defects are not guaranteed ,such as  broken ,scratched and so on.

4,For any items ,please send by EMS or your local post when send back



1,Buyers early confirmation will be highly appreciated after receiving the items.

2,Since your feedback is very important to our business’s development ,we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It’ll just take you 1 minute,but this 1minute has the extremely vital significance to us


What we can do

1,All of our products have proceeded aging test before shipment and we guarantee to use our products safety.

2,Support imprint your logo on products and let your logo shine anywhere.

3.OEM/ODM orders are warmly welcome

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
13 Transactions 4,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $39,000
Learn More