AC/DC Adapters 8W USB UL, PES Certificate

Ref Price:: $2.00 / pc

Loading Port:: Shenzhen

Payment Terms:: TT

Min Order Qty:: 100pcs pc

Supply Capability:: 20000 Pcs Per Month pc/month

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AC/DC Adapters 12V 100MA-800MA 8W 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

Q: What is the inductance component: Inductor also known as inductance coil, is the use of electromagnetic induction principle

Q: The role of inductance in the circuit: DC: the so-called direct current refers to the DC circuit, the role of inductance is equivalent to a wire, can not play any role

Q: What is the difference between transformers and inductors: A wide range of inductors and Transformers: working frequency is the frequency (50Hz), can also be a radio waves (such as more than a few hundred MHz

Q: Why inductors do not consume electricity: When connected to AC inductance, different charging and discharging, does not consume power,

Q: What is the substitution principle of inductance?: The inductor is similar in structure to the transformer but has only one winding.

Q: Inductance is what concept?: The coil core than the coil inductance without core coil core permeability volume; the greater the inductance is greater.

Q: Using a multimeter to check whether the output voltage, and the rated output voltage line adapter nominal, can allow for 5% error: such as an adapter with 5V and 1A, then it is 5V * 1A = 5W, 5V = 5 and 5W 25 square in Europe, select 5 Euro 5 Watt dummy resistance test adapter performance, such as whether overheating after output voltage fluctuation phenomenon

Q: Why use inductance: transformer can exchange coupling, variable pressure and variable flow and impedance transformation etc..

Q: How to select power adapter: The polarity of your notebook symbol is in the negative, the adapter of my pictures is not clear what is marked polarity

Q: How to classify inductors: The adjustable inductor is divided into a magnetic core adjustable inductor, a copper core adjustable inductor, a sliding contact adjustable inductor, a series mutual inductance adjustable inductor and a multi tap adjustable inductor.

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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