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Help CenterMade in China EF20 220 to 5v Transformer for Switching Power Various Type
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EF20 transformer for switching power various type
Product features
1— High efficiency, high quality materials.
2— Low working temperature and long service life.
3— Good insulation and high resistance to electric power.
4— Good anti-interference performance and high reliability.
5— Low energy consumption and high dc superposition.
The working principle of
Transformer is to transform ac voltage, current and impedance of the device, when the primary zhongtong have alternating current coil, iron core (or core) to produce ac magnetic flux, induced in the secondary coil voltage (or current). A transformer consists of an iron core (or a magnet) and a coil. The coil has two or more windings, of which the winding is called a primary coil and the rest is called a secondary coil.
APPLICATION
| Application Field | |
| ♦ Solar inverter, Server,Amplifier | ♦ Test instrument |
| ♦ Electrical power equipment | ♦ Variable-frequency drive |
| ♦ Elevator emergency power supply | ♦ Industrial power supply |
| ♦ Electric vehicle charging pile | ♦ Smart home electronics |
| ♦ Medical instrument power supply | ♦ Network,POE,Router |
| ♦ High end LED power supply | ♦ High end charger and USB |
| ...... | |
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What's your quality guarantee?
A: We repair or replace parts within 18months if necessary.
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