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18w Usb Wall Charger
Switching power supply is a kind of power supply which uses modern power electronic technology to control the time ratio of switching on and off to maintain stable output voltage. The switching power supply is generally composed of pulse width modulation (PWM) control IC and MOSFET. Switching power supply consists of main circuit, switching power supply control circuit, detection circuit and auxiliary power supply.
Description
Description
18W power delivery wall charger,The main circuit of switching power supply is composed of input EMI filter, rectifier filter circuit, power conversion circuit, PWM controller circuit and output rectifier filter circuit. The auxiliary circuit includes input over-voltage and under voltage protection circuit, output over-voltage and under voltage protection circuit, output over-current protection circuit, output short circuit protection circuit, etc.
Specification
Input Specification | Electrical | Tests Environmental |
Voltage: 100-240VAC | Voltage Accuracy: ±3% | Hi-pot Test: 3750VAC, 60S, 5mA max |
Frequency: 50-60Hz | Current Accuracy: ±3% | Lightning surge: up to 1000V (accept 3000V) |
Output Specification | Efficiency:ERP | Leakage Current: 0.25mA max |
Voltage:12V-24V | Securityprotection: SCP,OVP,OCP,OTP | Burn-in Test: rate load, 40±3℃, 4 hours |
Current:1A-2A | Turn On Time:15-30mS | Operating Temperature:0-40℃ |
Power:customized | Burn-In Test：100% Full Load | Storage Humidity 5%-95%RH
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Product applications
Wall cube charger for Air condition conditioner,18w pd wall charger electrical products,cable wall adapter for electric fan
Raw materials for 18w usb wall charger
Plastics can be divided into ordinary grade, temperature resistant grade, flame retardant grade, electroplating grade, etc. Our common power adapter shell uses mainly ABS material, ABS + PC material, PC material three categories, first, ABS material characteristics, ABS is a kind of high strength, good toughness, easy processing molding thermoplastic polymer material structure, can be in - 25 degrees - 60 degrees environment performance normal, and has good formability. The surface of processed products is smooth and clean, easy to dye and electroplate. ABS material performance characteristics 1, low strength, tensile strength 43mpa, bending strength 79mpa2, temperature resistance, long-term use temperature should not be higher than 60 ℃. 3, good fluidity, coloring and surface spraying and electroplating performance. ABS materials are used in household appliances, panels, masks, assemblies, accessories, especially household appliances, such as washing machines, air conditioners, refrigerators, fans, etc. In addition, it is widely used in the modification of plastics.
FAQ
Q1: Are you a manufacturer or a trade company?
A: We are a manufacturer of ac/dc adapter,battery charger,open frame PCBA since 2012 in Xiamen, China.
Q2: How do you provide the warranty? How to deal with defective product?
A: 3 years' warranty. Our defective rate is about 0.3%-0.05%, 1:1 replacement for defective products.
Hot Tags: 18w usb wall charger, China, suppliers, factory, customized, price, for sale, 24V Led Adapter
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