SMT-012-250VTH is triac dimmable led driver with 277v input voltage for led lighting. It is 12Vdc 250W led driver with UL listed 7 years warranty. Its power factor is over than 98% and efficiency is higher than 87%.Performance is 2.03% higher than MOSO 250W dimming power supply
Model
SMT-012-250VTH
SMT-024-250VTH
Output
DC Voltage
12V
24V
Voltage Tolerance
±0.5V
Voltage Regulation
±0.5%
Voltage Tolerance
±0.5V
Load Regulation
±2%
±1%
±1%
Rated current
20.83A
10.41A
Rated power
250W
Input
Voltage Range
100-277VAC
Frequency Range
47～63HZ
Power Factor（Typ.）@ full load
0.96@120VAC 0.97@277VAC
0.97@120VAC 0.95@277VAC
THD（Typ.）@ full load
<20%
Inrush Current （Typ.）
15A, 50%, 1.4ms
Full Load
Efficiency（Typ.）
>86%
>87%
AC Current（Typ.）
2.8A@110VAC / 1.13A@110VAC 1.76A
Leakage current
<0.50mA
Protection
Short Circuit
shut down o/p voltage, re-power on to recover after fault condition
is removed
Over load
≤120% constant current limiting, auto-recovery
Over temperature
100℃±10℃ shut down o/p voltage, automatically recover after cooling.
Over Current
≤1.4*I out
Environment
Working TEMP.
-40～+60℃
Working Humidity
20～90%RH,non-condensing
Storage TEM.,Humidity
-40～+80℃，10～95%RH
TEMP.coefficient
±0.03%/℃（0～50℃）
Vibration
10～500Hz 2G 10min./1 cycle，period for 60min.each along X,Y,Z axes
Safety&EMC
Safety standards
UL8750
Withstand voltage
I/P-O/P:3.75KVAC
Isolation resistance
I/P-O/P：100MΩ/500VDC/25℃/70%RH
EMC EMISSION
Compliance to EN55015,EN61000-3-2 (≥50%load)
EMC IMMUNITY
EN61000-4-2,3,4,5,6,11（Surge 4KV）
Others
Weight
1.9Kg
Size
278*108*46mm (L*W*H)
packaging
10PCS/CTN 385*335*200mm 20PCS/CTN
Notes
1. All parameters NOT specially mentioned are measured at 110V & 277VAC input , rated
load and 25℃of ambient temperature.
2..Tolerance:includes set us tolerance,line regulation and load regulation.
Label
Mechanical Specification
Input:18AWG Black and White to be connected to AC L and N ,Green wire go ground,
Output: Red is(DIM+),Black is(DIM-)
Problem analysis
1.Question: can you please confirm lead time?
Answer: Lead time for sample order takes about 7 working days. It takes about 12-15 working days for production order. It depends on the quantities
