AC/DC Adapters 900MA-1000MA 12W USB UL, PES Certificate

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100pcs pc
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20000 Pcs Per Month pc/month

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Product Description:

AC/DC Adapters 12V 900MA-1000MA 12W USB UL, PES CertificateInput voltage range: 100 to 240V AC, 50 to 60Hz

Output voltage: 9V 12V 24V

Output current range: 0 to 3,000mA (maximum)

Output power: 30W (maximum)

Output connectors: optional right angel and straight

Certificates: CE, FCC, UL, SAA, BS and CE and RoHS marks

High-efficiency: 80 to 85%

With output short-circuit, over-current, over-voltage and over-heat protections

Operating temperature range: -10 to 45°C

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Q:How to test the power adapter
if possible, can be appropriate resistance as a false load, it can be generally choose to fake the load resistance
Q:What is the role of inductance in the power supply
The effect of inductance is to prevent the change of electric current
Q:Laptop power adapter are AC-DC dual-use
l, a power transformer and rectifier circuit, the working power supply of AC (alternating current standard in China for the exchange of 220V),
Q:What is the inductor
The inductor is similar in structure to the transformer but has only one winding
Q:The role of inductance in the circuit
Any of the current in the circuit, will produce a magnetic field, the magnetic flux and the circuit.
Q:Why use inductance
it can be composed of resistors or capacitors of high or low pass filter, phase shifter circuit and resonant circuit
Q:How to determine whether the computer adapter is available
but also connected with the power adapter, a few minutes later heard a voice adapter immediately, pull the power, and then found the smell like
Q:Inductance has no direction?
When the reverse will appear inductance direction.
Q:What is the substitution principle of inductance?
The inductor is similar in structure to the transformer but has only one winding.
Q:What are the main parameters of inductance?
Usually, the more coils, the more dense the winding, the greater the inductance.
We are a focus on the production of switching power supplies and power adapters and other power products for high-tech enterprises. Shenzhen power adapter, power adapter manufacturers, switching power adapter, switching power supply manufacturers, charger manufacturers, USB power adapter, 12V power adapter

1. Manufacturer Overview

Location Shenzhen,China
Year Established 2008
Annual Output Value
Main Markets

Mid East;Western Europe
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen,China
Export Percentage
No.of Employees in Trade Department 50-100 People
Language Spoken: Chinese
b)Factory Information  
Factory Size: Above 2,000 square meters
No. of Production Lines About 5
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Cheap