L-Tech 20W 300-650mA CC Triac LED Driver| Image : 1
L-Tech 20W 300-650mA CC Triac LED Driver| Image:1
L-Tech 20W 300-650mA CC Triac LED Driver| Image : 1
L-Tech 20W 300-650mA CC Triac LED Driver| Image:0

L-Tech 20W 300-650mA CC Triac LED Driver

Manufacturer: L-Tech


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Intelligent constant current LED driver. Supports Leading edge (Triac), Trailing edge (ELV). With soft-on and fade-in dimming function, enhancing your visual comfort (see video below). T-PWM™ dimming technology allows for continuous and flicker-free images under high-speed photography.

The housing is made from V0 flame retardant PC materials from SAMSUNG/COVESTRO. Small size and light weight. The clamshell design and screwless type for strain-relief. 


  • Support Leading edge(Triac), Trailing edge(ELV).
  • With soft-on and fade-in dimming function, enhancing your visual comfort. 
  • T-PWM™ dimming technology allows continuous and flicker-free images under high-speed photography. 
  • Dimming from 0~100%, down to 0.01%. 
  • The whole dimming process is flicker-free with high frequency exemption level.

Other Info

  • Multiple current levels and wide voltage range. Suitable for different power of LEDs.
  • Class 2 LED driver, Safety Extra Low Voltage (SELV).
  • Innovative thermal management technology intelligently protects the life of the LED driver.
  • Overheat, overload, short circuit protection and automatic recovery.
  • Suitable for ClassⅠ/Ⅱ/Ⅲ indoor light fixtures.
  • Up to 50,000-hour life time.
  • 5-year warranty (Rubycon capacitor).

Output Type: Constant current
Dimming Interface: Triac/ELV
Protection Grade: IP20
Insulation Grade: Class II (suitable for class I/II/III light fixtures)

Output Voltage: 9-42Vdc
Maximum Output Voltage: ≤55V
Output Current Range: 300-650mA
Output Power Range: 2.7W-20W
Dimming Range: 0-100%, down to 0.01%
Ripple Current: Max.5.0%@Rated current
Current Accuracy: ±5%
PWM Frequency: 3600Hz

DC Voltage Range: 200-280Vdc
Input Voltage: 220-240Vac
Frequency: 50/60Hz
Input Current: ≤0.12A/230Vac
Power Transmission: Max. 25W
Power Factor: PF>0.95/230Vac , at full load
THD: THD<10%/230Vac , at full load
Efficiency (Typ.): >84%@500mA
Inrush Current: Cold start 13A(Test twidth=120us tested under 50% Ipeak)/230Vac
Anti Surge: L-N: 2kV
Leakage Current: <0.5mA/230Vac

Working Temperature: ta: -20 ~ 45°C tc: 90°C
Working Humidity: 20 ~ 95%RH, non-condensing
Storage Temperature/Humidity: -40 ~ 80°C, 10 ~ 95%RH
Temperature Coefficient: ±0.03%/°C (-20°C ~ 45°C)
Vibration: 10~500Hz, 2G 12min/1cycle, 72 min for X, Y and Z axes respectively

Overload Protection: Shut down the output and recover automatically once it exceeds 1.02-1.35 times of the rated power
Overheat Protection: Intelligently adjust or turn off the current output if the PCB temperature ≥110°C. When the PCB temperature <90°C, automatically recover normal output
Short Circuit Protection: When short circuit occurs, shut down the output and recover automatically

Weight: 110g


Product dimensions: W.127mm x D.23mm x H.40mm

Cutout dimensions: Dia.48mm

Delivery and warranty

In Stock - UK Next Day Delivery

August factory shutdown

Lead times in July and August can be affected by European manufacturer summer shutdowns. Need it in a hurry? Let us know and we'll check availability for you.

About the manufacturer

With over 20 years experience in designing LED lighting control, L-Tech are experts in creating technologically state-of-the-art LED drivers. Transform your home into a smart home with intelligent lighting control.

Got a question? Email us or call 01189 882294

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