ETL listed Constant current power supply 300ma ac dc power supply for bulb light
Constant current power supply is to maintain a Constant Current during operation. A constant current led driver balances the output current from each channel to ensure reduced EMI interference and maintain the long lifetime of ac dc power supply.
Feature
·Output constant current
·Range 100-265VAC
·Built-in PFC function, PF> 0.9
·Efficiency 86%
·Protections:short circuit/over current/over temperature
·Cooling by free air convection
·Dimming function:DALI dimmable
·Suitable for LED lighting applications by PWM output
·Compliance to worldwide safety regulations for lighting·Suitable for dry/damp/wet locations
·3 years warranty
Specification
Model
SMT-050-0300CM
SMT-050-0350CM
SMT-030-0500CM
SMT-025-0700CM
SMT-020-0900CM
Output
DC Voltage
30-50V
35-50V
15-30V
10-25V
10-20V
Voltage Accuracy
±0.3V
Rated current
0~300MA
0～350MA
0～500MA
0～700MA
0～900MA
Rated power
15.0W
17.5W
15W
17.5W
18W
Input
Voltage Range
100-265VAC
Frequency Range
47～63HZ
Power Factor ( Typ.）
PF≧0.9/220V
Full Load Efficiency（Typ.）
>86%(110,220V)
>86%(110,220V)
>85%(110,220V)
>85%(110,220V)
>85%(110,220V)
AC Current（Typ.）
0.96A(110,220V)
0.96A(110,220V)
1.042A(110,220V)
1.031A(110,220V)
1.031A(110,220V)
Leakage current
﹤0.35mA/220VAC
Protection
Short Circuit
Protection type: Hiccup mode, recovers automatically after fault condition is removed
Over Current
≦1.4*Iout
Over temperature
100℃±10℃ shut down o/p voltage, re-power on to recover
Environment
Working TEMP.
-40～+50℃
Working Humidity
20～95%RH,non-condensing
Storage TEM.,Humidity
-40～+80℃，10～95%RH
TEMP.coefficient
±0.03%/℃（0～50℃）
Vibration
10～500Hz，5G 12min./1 cycle，period for 72min.each along X,Y,Z axes
Safety&EMC
Safety standards
EN61347-1 EN61347-2-13 IP20
Withstand voltage
I/P-O/P:3.75KVAC I/P-FG:1.88KVAC O/P-FG:0.5KVAC
Isolation resistance
I/P-O/P I/P-FG O/P-FG：100MΩ/500VDC/25℃/70%RH
EMC EMISSION
Compliance toEN55015,EN61000-3-2 (≧50%load)
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6 ,11,EN61547,A light industry
level （surge4KV）
Others
Weight
0.15Kg
Size
140*45*28mm（L*W*H）
packing
324*298*188（50PCS）CTN 145*47*35 mm for inner box
Notes
1. All parameters NOT specially mentioned are measured at 220VAC input , rated load and 25℃of
ambient temperature.
2. Ripple& noise are measured at 20MHz of bandwidth by using a 12”twisted pair-wire terminated
with a 0.1uf &47uf parallel capacitor.
3. Tolerance:includes set us tolerance,line regulation and load regulation .
Label
Mechanical Specification
