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Gallery View: China's dimmable LED drivers

Global SourcesUpdated on 2023/12/01

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The mainstream dimmable LED driver lineup in China has analog, triac and PWM, and constant-current and constant-voltage types.

Typical dimmable LED drivers from China suppliers are categorized by separate dimming methods such as analog, triac and PWM. By mode of operation, there are constant-current or constant-voltage types. Input voltage is 12 to 24VDC or 100 to 240VAC.

Products have efficiency of more than 90 percent, power factor exceeding 0.9 and life span of over 30,000 hours. These come with built-in safety features to protect against overload, -voltage and short circuits. IP ratings start at IP40.

Releases conform to key international standards, including CE, cUL, GS, RoHS, TÜV and UL. Ninghai Yingjiao Electrical Co. Ltd's YSL20 model has additional CCC, CB, EMC, PSE and SAA approval.

China suppliers source materials and components locally, but employ LED chips and capacitors from foreign providers.

After an increase last year, the majority of makers anticipate stable input cost and product prices in the months ahead.

Here is a selection of dimmable LED drivers from China.

Triac dimmable LED driver with PWM

Ninghai Yingjiao Electrical Co. Ltd's model YSL100 triac dimmable LED driver has 90 to 265VAC input voltage, and 12/24V, maximum 30W output. It has ≥0.9 power factor and 84 percent efficiency.

The constant-voltage type uses 0 to 10VDC control signals and pulse width modulation to control dimming. Dimensions are 251x30x16mm.

The minimum order is 1,000 units. Delivery is within 15 days.

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Triac dimmable LED driver has >85% efficiency

A constant-voltage triac dimmable LED driver, Quanzhou Smarts Electronic & Technology Co. Ltd's SMT-024-024VT model has 100 to 130VAC input and 24VDC output voltages, and more than 85 percent efficiency. It complies with CE, RoHS and UL requirements.

The minimum order is 500 units for delivery within 7 days.

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Triac LED driver provides up to 100% dimming

Model PE296B1435 triac dimmable LED driver from Starwell Technology Co. Ltd has 0 to 100 percent dimming range. Its input voltage is 220 to 250VAC and output 25 to 42V, 350mA. The rated power is 14.7W.

The 165x45x334mm unit meets CE, C-Tick, cUL, FCC, GS, PSE, RoHS, SAA, TÜV and UL standards.

The negotiable minimum order has a 10-day delivery lead time.

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IP67 dimmable LED driver with 90% efficiency

This IP67-rated dimmable LED driver from Yangzhou Pairui Electronics Co. Ltd, LCU-40C model, has 40W rated power and 90 percent efficiency.

The constant-current type has 90 to 305VAC input voltage and 350 to 1,660mA output current. At no load, the output voltage is 31 to 128V. Dimming method of 0 to 10V is optional.

The CE-approved and UL-listed unit has overvoltage, -current and short-circuit protection.

The negotiable minimum order has a delivery time of 7 days.

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