D-120A  Dual output switching power supply Feature

High efficiency, high reliability
AC input range selected by switch
100% full load burn-in test
Protections: Short circuit/ Over load/ Over voltage
Cooling by free air convection
Fixed switching frequency at 28KHz
2 years warranty
Dimensions: 199*110*50mm(L*W*H)

D-120A  Dual output switching power supply Pictures

D-120 dual output switching power supply

D-120A  Dual output switching power supply Specification

Model D-120A D-120B
CH1 CH2 CH1 CH2
DC Voltage 5V 12V 5V 24V
Voltage Tolerance ±2% ±6% ±2% ±7%
Rated Current 12A 5A 6A 4A
Current Range 2-12A 0.5-5A 2-10A 0.4-4A
Rated Power 120W 120W 126W 126W
Ripple & Noise 60mVp-p 120mVp-p 60mVp-p 150mVp-p
DC Adjustment Range -5%,+10% -5%,+10% -5%,+10% -5%,+10%
Setup,Rise,Hold Time 200ms,50ms,20ms at full load
Voltage Range 88~132 VAC / 176~264VAC47~63 Hz;selected by switch 248~370VDC
AC Current 2.8A/115 V1.6A/ 230 V
Efficiency 78%(SKD-120A-CH1);78%(SKD-120A-CH2);80%(SKD-120A-CH1);80%(SKD-120A-CH2);
Inrush Current Cold start 35A
Leakage Current <3.5mA/240VAC
PROTECTION
Over Load 105%~135%
Protection type: Shut down o/p voltage , re-power on to recover
Over Voltage 115%~135%
Protection type: Shut down o/p voltage , re-power on to recover
ENVIRONMENT
Working Temp., Humidity -10℃~+60℃;20%~90 %RH
Storage Temp., Humidity -20℃~+85℃;10%~95 %RH
Vibration 10~500Hz,2G 10min./1cycle, period for 60min, each along X, Y, Z axes
SAFETY
Withstand Voltage I/P-O/P: 3KVACI/P-FG: 1.5KVACO/P-FG:0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
STANDARD
Safety Standard Design refer t o 1950,TUV EN60950
EMC Standard Design refer to EN55022 (CISPR22), EN61000-3-2,-3,EN61000-4-2,3,4,5,6,8,11; ENV50204, EN55024
OTHERS
Weight 0.82Kg
Packing 16pcs/14.2Kg/0.95CUFT
NOTE

1.All parameters NOT specially mentioned are measured at 230VAC 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 0.1μ &47μ
parallel capacitor.

3.Tolerance: includes set up tolerance, line regulation and load regulation.

4.The power supply is considered a component which will be installed into a final equipment. The final equipment must
be re-confirmed that it still meets EMC directives.

D-120A  Dual output switching power supply Size

switching  power supply size d-120

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