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Gallery View: AC/DC switching adapters suppliers push for broader Level VI compliance

Global SourcesUpdated on 2023/12/01

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The bulk of mainland China's AC/DC switching adapters is based on the efficiency requirements of the DOE Level V standard.

Emphasizing ultrasmall designs with high efficiency and reliability, more mainland China makers of AC/DC switching adapters will release wall-mount and desktop types based on the DOE Level VI specifications. They offer selections widely used in mobile electronics, computers, medical devices, LED lighting, industrial control, and security and communications equipment.

The mainstream units have 100 to 240VAC, 50/60Hz input, 5 to 24VDC, 1 to 2A output, 3 to 65W rated power and more than 80 percent efficiency. There are models with an output current rating of up to 3.25A and a fast charging feature based on USB 3.0 PD and Quick Charge 3.0 technologies.

Products have built-in protection against overload, -current and short circuits. Most comply with DOE Level V specifications, and carry BS, CCC, CE, PSE, RoHS, TÜV and UL approval.

The main components and materials sourced locally include transformers, passive components, PCBs and cases, while MOSFETs come from US and Taiwan companies.

Input costs are expected to remain flat and keep prices from fluctuating. Due to intense competition, some suppliers may continue to offer reduced quotes to attract more orders.

The products in this gallery have been handpicked by our market analyst for representing current trends in AC/DC switching adapters from mainland makers.

Withstands 3,000VAC/min at 10mA maximum

Camelion Enterprises Ltd markets the model 6W Series AC/DC switching adapter with 100 to 240VAC, 50/60Hz, maximum 0.2A input and 3 to 24VDC, 0.01 to 1.2A output. The 6W unit with 75.2 percent minimum efficiency has a withstand voltage of 3,000VAC/min at up to 10mA. It meets BS, CCC, CE, cUL, ETL, GS, KO, PSE, SAA and UL requirements.

The minimum order is 300 units. Delivery lead time is 25 days.

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81.8% minimum efficiency

The model 15W Series AC/DC switching adapter from Camelion Enterprises Ltd has 100 to 240VAC, 50/60Hz, maximum 0.4A input, 3 to 24VDC, 0.01 to 2A output and 3,000VAC/min withstand voltage at 10mA maximum current. The minimum efficiency is 81.8 percent. The standards met are BS, CCC, CE, cUL, ETL, GS, KO, PSE, SAA and UL.

An order of at least 300 units is required. The delivery lead time is 25 days.

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More than 80% efficiency

From Dongguan Rico Electronic Co. Ltd, this model RKPO-U052000 AC/DC switching adapter has 100 to 240VAC, 47 to 63Hz input, 5VDC, 2,000mA output and more than 80 percent efficiency. The 10W unit has built-in overvoltage, -current, -temperature and short-circuit protection, and operates in -30 to 60 C. It conforms to FCC and UL requirements.

The 500-unit minimum order has a delivery lead time of 12 days.

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24VDC, 1,500mA, 36W output

This AC/DC switching adapter from Dongguan Rico Electronic Co. Ltd, RKP-SAA241500 model, has 100 to 240VAC, 47 to 63Hz input and 24VDC, 1,500mA, 36W output. Its efficiency surpasses 80 percent. The unit operates in -30 to 60 C and has protection against overcurrent, -voltage, -temperature and short circuits. It complies with EMC, FCC, GS, LVD and TÜV.

The supplier requires a minimum order of 500 units. Delivery takes 12days.

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100W maximum power

Shenzhen Theone Electronic Co. Ltd's model TA09A9 AC/DC switching adapter has 110 to 240VAC, 50/60Hz input, and 18.5VDC 4.87A, 19VDC 4.74A, 19.5VDC 4.62A or 20VDC 4.5A output. Its USB output is 5VDC, maximum 2A. The 100x63x18mm unit with 100W maximum power has overcurrent, -voltage, -heating, -load and short-circuit protection. It follows CE, DOE Level VI and UL requirements.

The required minimum order is 1,000 units. Delivery is within 20 days.

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Optional 5VDC, 2A USB output port

The TA09B3 model from Shenzhen Theone Electronic Co. Ltd is an AC/DC switching adapter with 110 to 240VAC, 50/60Hz input, 15 to 20VDC output voltage and 90W maximum power. A 5VDC, 2A USB output port is optional. The 142x60x33.5mm unit has built-in safety features against overcurrent, -voltage, -heating, -load and short circuits.

The 1,000-unit minimum order is delivered within 20 days.

Contact Supplier

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