-- SBC
-- Panel PC
-- Bare Bone System
-- Chassis
-- Power Supply
-- Backplane



ZKS-250WX
250W AC-DC ATX Power Supply supports ATX2.03



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Input Voltage:
90~135VAC (input 115VAC), 180~260VAC (input 230VAC)
Input Frequency:
47~63Hz
Input Current:
7A for 115VAC at without AC outlet; 3.5A for 230VAC
Inrush Current:
70A max. at cold start
Switching Frequency:
30KHz typical
Hold Up Time:
16ms min.
Brown Out Voltage:
95VAC max. at 60Hz
Output Power:
250W at 45°C
Power Up Time:
< 20ms for +5V output voltage
Power Good Signal:
The power good signal will not be higher than 100~500ms after the +5V output stabilizes at its operating value when the unit is turned on
Power Failure:
The TTL compatible signal will go down at least 1ms before +5V below 4.75V
PS On Signal:
TTL compatible signal (active low)
Efficiency:
75% min. at full load (AC input 230V)
Altitude:
10,000ft
Protection:
Over Voltage: +3.3V from 3.8~4.3V, +5V from 5.7~7V, +12V from 13.4~15.6V
Over Load: Total output from 130% min. to 150% max.
Short Circuit: Latch off
Thermal System:
Forced air ventilation by DC ball bearing cooling fan; fan status monitoring is optional
Temperature Coefficient:
+0.05% per °C
Temperature:
0~+50°C (operating); -10~+70°C (storage)
Humidity:
20~90% RH (operating); 10~98% RH (storage)
Safety:
UL 1950, UL 1950 D3 / TUV EN60950 / NEMKO 60950 / CE IEC 60950 / CE Test Report
Dimensions:
15.0 x 14.0 x 8.6 cm
MTBF:
100,000 hrs.

V1
V2
V3
V4
V5
V6
Output Voltage
+3.3V
+5V
+12V
-5V
+12V
+5Vsb
Max. Current
14A
25A
10A
0.5A
1A
1.5A
Min. Current
0.3A
1A
0.4A
0A
0A
0A
Load Regulation
5%
5%
5%
10%
10%
5%
Line Regulation
1%
1%
1%
2%
2%
1%
Ripple & Noise
50mV
50mV
75mV
150mV
150mV
50mV
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Total 125W Max.
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