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Name: SD-500
Product catalog: DC DC Converter

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500W Single Output DC-DC Converter   SD-500 series
DC input active surge current limiting
Wide 4:1~2:1 DC input range (24V:19~72VDC, 96V:72~144VDC)
Protections: Short circuit / Overload / Over voltage / Over temperature/Input polarity (by fuse)
2000VAC I/O Isolation
Forced air cooling by built-in DC fan with fan speed control function 
Output OK Signal
Built-in remote ON-OFF control
Built-in remote sense function
2 years warranty
Model SD-500L-12 SD-500L-24 SD-500L-48 SD-500H-12 SD-500H-24 SD-500H-48
DC Voltage 12V 24V 48V 12V 24V 48V
Rated Current 40A 21A 10.5A 40A 21A 10.5A
Current Range 0 ~ 40A 0 ~ 21A 0 ~ 10.5A 0 ~ 40A 0 ~ 21A 0~10.5A
Rated Power 480W 504W 504W 480W 504W 504V
Ripple & Noise 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p
Voltage Adj. Range 11 ~ 15V 23 ~ 30V 46 ~ 60V 11~ 15V 23 ~ 30V 46 ~ 60V
Voltage Tolerance ±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%
Load Regulation ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Setup, Rise Time  500ms, 50ms at full load
Voltage Range 19 ~ 72VDC 72~144VDC
Efficiency 86% 88% 89% 87% 89% 90%
DC Current 24.2A/19VDC 24.8A/24VDC 12A/48VDC 8A/72VDC  6A/96VDC
Current(AT NO LOAD) Max.0.2A/48VDC Max.0.1A/96VDC
Inrush Current(Typ.) 60A/48VDC 60A/96VDC
Over Load 105~125% rated output power
Protection type: Constant current limiting, shut down o/p voltage after about 5 sec., re-power on to recover 
Over Voltage 16~19V 30.8~35.2V 62~68V 16~19V 30.8~35.2V 62~68V
Protection type: Shut down o/p voltage, recovers automatically after temperature goes down
Over Temperature Shut down o/p voltage, recovers automatically after temperature goes down
Remote on/off Control Please refer to function manual
Output OK Signal Open collector signal low when PSU turns on, max, sink current: 10mA
Working Temp. -20 ~ +60℃ (Refer to “Derating Curve”)
Working Humidity 20 ~ 90% RH non-condensing
Storage Temp., Humidity -40 ~ +85℃, 10 ~ 95% RH
Temp. Coefficient ±0.02%/℃ (0 ~ 50℃)
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Safety Standards IEC60950-1 CB approved by TUV
Withstand Voltage I/P-O/P:2KVAC   I/P-FG:2KVAC   O/P-FG:0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃ / 70% RH
EMC Emission Compliance to EN55022 (CISPR22) Class B
EMC Immunity Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
MIBF 196.3K hrs min.  MIL-HDBK-217F(25℃)
Dimension 215*115*50mm(L*W*H)
Packing 1.15Kg; 12pcs/14.8Kg/0.92CUFT
NOTE 1. All parameters NOT specially mentioned are measured at 48,96VDC input, related 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 0.1 uf & 47 uf parallel capacitor.
3.Tolerance: includes set up tolerance, line regulation and load regulation.

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