Model

SMT-012-300VTH (1.0 version)

SMT-012-300VTHV2 (2.0 version)

SMT-012-300VTHWV2 (3.0 version)

SMT-024-300VTH (1.0 version)

SMT-024-300VTHV2  (2.0 version)

SMT-024-300VTHWV2  (3.0 version)

Output

DC Voltage

12V

24V

Rated Current

25A

12.5A

Rated Power

300W

Voltage Tolerance

±0.5V

Voltage Regulation

±0.5%

Load Regulation

±2%

±1%

±1%

Input

Voltage Range

110-277VAC

Frequency Range

47-63HZ

Power Factor(Typ.)@ full load

0.99@120VAC  0.97@277VAC

0.99@120VAC  0.97@277VAC

THD(Typ.)@ full load

<20%

Efficiency(Typ.)@ full

load

86%

88%

AC Current(Max.)

3.4A@110VAC

Inrush Current (Typ.)

20A, 50%, 1.9ms

Leakage current

<0.50mA

Protection

Short Circuit

shut down o/p voltage, re-power on to recover after fault condition is removed

Over Loading

≤120% Hiccup mode,recovers automatically after fault condition is removed

Over temperature

100℃±10℃ shut down o/p voltage, automatically recover after cooling.

Environment

Working TEMP.

-40~+60℃ (see below derating curve)

Working Humidity

20~90% RH, non-condensing

Storage TEMP. Humidity

-40~+80℃,10~95%RH

TEMP .coefficient

±0.03%/℃(0~50℃)

Vibration

10~500Hz, 5G 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

FCC Part 15 B

Others

Weight

About 1.9Kg        

Size

1.0 version:278*108*46mm (L*W*H) ; 2.0 version: 278*110*45mm (L*W*H); 3.0 version: 278*130*45mm (L*W*H)

packaging

10PCS/CTN

385*335*200mm     20PCS/CTN

Notes

1. All parameters if NOT specially mentioned are measured at 120VAC input , rated load and 25℃of ambient temperature.   

2. To extend the driver's using life ,please reduce the loading at lower input voltage.