We control every aspect                                                                                                                                                                                       All items >>Products >>Catalog>>Click Product Description Features • Universal AC input / Full range • Protections:Short circuit/Over load/Over voltage
• Forced air cooling by built-in DC fan
• PWM control and regulated
• Built-in cooling Fan ON-OFF control
• 100% full load burn-in test
• Fixed switching frequency at 25KHz
• Low cost Specifications

Model		S-350-5	S-350-7.5	S-350-12	S-350-13.5	S-350-15	S-350-24	S-350-27	S-350-48
Output	DC Voltage	5V	7.5V	12V	13.5V	15V	24V	27V	48V
	Rated Current	50A	40A	29A	25.8A	23.2A	14.6A	13A	7.3A
	Current Range	0 ~ 50A	0 ~ 40A	0 ~ 12A	0 ~ 13.5A	0 ~ 23.2A	0 ~ 14.6A	0 ~ 13A	0 ~ 7.3A
	Rated Power	250W	300W	348W	348.3W	348W	350.4W	351W	350.4W
	Ripple & Noise (max.) Note.2	150mVp-p	150mVp-p	150mVp-p	150mVp-p	150mVp-p	150mVp-p	200mVp-p	240mVp-p
	Voltage Adj. Range	4.5 ~ 5.6V	6~9V	10~13.2V	12 ~ 15V	13.5~18V	20~26.4V	26 ~ 32V	41 ~ 56V
	Voltage Tolerance Note.3	±2.0%	±2.0%	±1.0%	±1.0%	±1.0%	±1.0%	±1.0%	±1.0%
	Line Regulation	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	Load Regulation	±1.0%	±1.0%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	Setup,Rise, Hold time	200ms, 50ms, 20ms at full load
Input	Voltage Range	90 ~ 132VAC / 180 ~ 264VAC by switch          254 ~ 370VDC
	Frequency Range	47~63HZ
	Efficiency(Typ.)	73%	76%	74%	79%	78%	81%	82%	83%
	AC Current	6.5A/115VAC          4A/230VAC
	Inrush Current (max.)	50A/115VAC          50A/230VAC
	Leakage Current	<3.5mA / 240VAC
Protection	Over Load	105 ~ 135% rated output power
		Protection type : Hiccup mode, recovers automatically after fault condition is removed
	Over Voltage	5.75 ~ 6.75V	9.4 ~ 10.9V	13.8V~16.2V	15.5 ~ 18.2V	18V~21V	27.6V~32.4V	33.7 ~ 39.2V	57.6 ~ 67.2V
		Protection type : Hiccup mode, recovers automatically after fault condition is removed
Function	Fan on/ off Control	RTH3 ≥55°c FAN ON,  ≤45°c FAN OFF, ≥80°c output shutdown (5 ~ 7.5V)
		RTH3 ≥65°c FAN ON,  ≤55°c FAN OFF, ≥80°c output shutdown (12 ~ 15V)
		RTH3 ≥70°c FAN ON,  ≤60°c FAN OFF, ≥85°c output shutdown (24 ~ 48V)
Environment	Working Temperature	-10 ~ +50°c (Refer to output load derating curve)
	Working Humidity	20~90% RH  Non-condensing
	Storage temp.& humidity	-20~+85°C, 10~95%RH
	Temp. coefficient	±0.03%/°C (0~50°C)
	Vibration	10 ~ 500Hz, 2G 10min./1 cycle,60min.each along X,Y,Z axes
Safety & EMC	Withstand Voltage	I/P-O/P:1.5KVAC     I/P-FG:1.5KVAC     O/P-FG:0.5KVAC
	Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC
Others	MTBF	234.3K hrs min.      MIL-HDBK-217F ( 25°c )
	Dimension	215*115*50mm (L*W*H)
	Packing	0.95Kg; 20pcs/13.5Kg/0.92CUFT
Note	1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°c 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 up tolerance, line regulation and load regulation.

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