YUEQING CHANCE ELECTRIC CO.,LTD

Product name : S-250W
Item : 2014312104334
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  Details:
 
250W Switching power supply

Features :

 

• AC input range selectable by switch

• Protections:Short circuit/Over load

  Forced air cooling by built-in DC fan

 100% full load burn-in test

  Fixed switching frequency at 60KHz

 Low cost

• High reliability

 2  years warranty


SPECIFICATION

Model  S-250-5 S-250-12 S-250-15 S-250-24 S-250-27 S-250-48 
Output DC Voltage 5V 12V 15V 24V 27V 48V
Rated Current 40A 18A 15A 10A 9A 5.2A
Current Range 0~40A 0~18A 0~15A 0~10A 0 ~ 9A 0 ~ 5.2A
Rated Power 200W 216W 225W 240W 243W 249.6W
Ripple & Noise (max.) Note.2 80mVp-p 120mVp-p 120mVp-p 120mVp-p 150mVp-p 200mVp-p
Voltage Adj. Range 4.75~5.5V 10.8~13.2V 13.5~16.5V 21.6~26.4V 24.3~29.7V 43.2~52.8V
Voltage Tolerance Note.3 ±2.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0%
Line Regulation ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Load Regulation ±1.0% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Setup,Rise time 800ms, 50ms at full load
Hold time 19ms at full load
Input Voltage Range 90 ~ 132VAC / 176 ~ 264VAC Selected by switch          248~370VDC
Frequency Range 47~63HZ
Efficiency(Typ.) 74% 79% 80% 81.5% 82% 82%
AC Current(Typ.) 4.8A/115VAC          2.8A/230VAC
Inrush Current (Typ.) COLD START 45A/230VAC
Leakage Current <2mA / 240VAC
Protection Over Load 105 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed

Over Voltage  

5.75 ~ 6.75V   13.8 ~ 16.2V   17.25 ~ 20.25V   27.6 ~ 32.4V      
Protection type : Hiccup mode, recovers automatically after fault condition is removed    
Environment Working Temperature -10 ~ +60°c (Refer to "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./1cycle, period for 60min. each along X, Y, Z axes

Safety & EMC

(Note 4.)

Safety Standards UL60950-1 approved
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/ 25°c / 70% RH
Others MTBF 271.9K hrs min.      MIL-HDBK-217F (25°c )
Dimension 215*115*50mm (L*W*H)
Packing 0.95Kg; 12pcs/12Kg/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. 

 OVERALL DIMENSION(Unit:mm)

  

 

 

 



 


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