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LTECH SE-20-300-650-G1T 12W 350mA ~ 650mA CC Triac LED Driver
Overview
SE-20-300-650-G1T is the 9-42Vdc output model of this series.
Features
- 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 0.1%.
- The whole dimming process is flicker-free with high frequency exemption level.
- 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).
Specifications
Features
- Output Type
- Constant Current
- Dimming Interface
- Triac/ELV
- Output Feature
- Isolation
- Protection Grade
- IP20
- Insulation Grade
- Class II (Suitable for class I/ II /III light fixtures)
OUTPUT
- 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 0.1%
- Ripple Current
- Max.5.0%@Rated current
- Current Accuracy
- ±5%
- PWM Frequency
- 3600Hz
INPUT
- 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
ENVIRONMENT
- 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
PROTECTION
- 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
SAFETY & EMC
- Withstand Voltage
- I/P-O/P: 3750Vac
- Insulation Resistance
- I/P-O/P: 100MΩ/500VDC/25°C/70%RH
- Safety Standards
-
Parameter Standard Test Level CCC China GB19510.1，GB19510.14 TUV Germany EN61347-1，EN61347-2-13，EN62493 CE European Union EN61347-1，EN61347-2-13，EN62384 RCM Australia AS61347-1，AS61347-2-13 ENEC Europe EN61347-1，EN61347-2-13，EN62384 CB CB Member States IEC61347-1，IEC61347-2-13 EAC Russia IEC61347-1，IEC61347-2-13 BIS India IS 15885(PART 2/SEC 13) - EMC Emission
-
Parameter Standard Test Level CCC China GB/T17743，GB17625.1 CE European Union EN55015，EN61000-3-2，EN61000-3-3，EN61547 RCM Australia EN55015，EN61000-3-2，EN61000-3-3，EN61547 EAC Russia IEC 62493 IEC 61547 EH 55015 IEC 61000-3-2, IEC 61000-3-3 - EMC Immunity
- EN61000-4-2,3,4,5,6,8,11, EN61547
ErP
- Power Consumption Standby power consumption
- No standby mode
- Power Consumption Networked standby
- No networked standby mode (No Phase-cut signal, no power consumption)
- Power Consumption No-load power consumption
- Without no-load mode
- Flicker/Stroboscopic Effect IEEE 1789
- Meet IEEE 1789 standard/High frequency exemption level
- Flicker/Stroboscopic Effect CIE SVM
- Pst LM≤1.0, SVM≤0.4
- DF Phase factor
- DF≥0.9
OTHERS
- Weight(N.W.)
- 110g
- Dimensions
- 127×40×23mm(L×W×H)
Certifications & ratings
- Marked features
- T-PWM Dimming Technology, Multiple Current
Technical drawings
Downloads
Specification Sheet1
FAQ
What type of LED application is the LTECH SE-20-300-650-G1T designed for?
This model is a constant-current Triac LED driver intended for LED fixtures that need phase-cut dimming rather than a fixed-voltage power supply. It is best suited to applications where the fixture specification calls for a constant-current driver in the 300mA to 650mA range. Buyers should match it to the LED load's required current range and voltage requirement.
Is the SE-20-300-650-G1T compatible with both leading-edge and trailing-edge dimming systems?
Yes. The product description states support for both leading-edge (Triac) and trailing-edge (ELV) dimming control. That makes it a fit for projects where the dimming method is AC phase-cut rather than 0-10V or DALI.
What output range should I check before choosing this LED driver?
This model is listed with a maximum output voltage of 55V and a constant-current operating range of 300mA to 650mA. It is intended for LED loads that are specified for constant-current operation within that range. It should not be treated as a general-purpose fixed-voltage LED power supply.
How does this model compare with a non-dimmable constant-current LED driver?
The main difference is dimming capability. The SE-20-300-650-G1T is built for AC phase-cut dimming (Triac/ELV) and supports continuous dimming from 0 to 100% with a dimming depth of 0.01%. A non-dimmable driver would not provide those control features.
What operating environment is this driver rated for?
The specified operating temperature range is -20°C to 45°C. It uses a V0 flame-retardant PC housing. Those details make it more suitable for commercial buyers who need a compact driver with defined environmental and durability parameters.
Why would a buyer choose this LTECH model for dimming-sensitive LED projects?
This driver stands out for phase-cut dimming support (Triac/ELV). The specifications highlight continuous dimming from 0 to 100%, down to 0.01%, and compliance with flicker standards (IEEE 1789, CIE SVM). That makes it relevant for projects where dimming quality matters as much as basic power delivery.
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