● For Server and workstation ● Conformed to IPC 1U Type
● Output Capacity: 250Watts Continuous ● Provide Single +12V rails, output current is 18A ● Low Ripple & Noise ● Maximum loading combined +5V and +3.3V is 110W ● Operation Temperature:0~50℃ ● Active PFC ● High Efficiency > 80% ● 40mm Low-Noise Fan ● Dimension: 200* 100 *40.5mm ● Life expectancy: MTBF >100,000 hours ● Multiple Protections Function：(OCP、OVP、UVP、OPP) ● Safety Approvals：CE, TUV, CB, CUL, CCC and BSMI ● 80 PLUS Bronze Approvals
Spec.
Model No
ST-250U1A
Output Wattage
250W
PFC
Active PFC
Efficiency
> 80 % Full loading
Noise Level
dB at 350W LOAD
P. G. signal
100-500 ms
Hold-up Time
16ms at 25℃
Weight
1.6 KG
Color
Silver
Fan
Single 40 mm DC Fan
Dimension
200mm (L) x 100mm(W) x 40.5mm(H)
Protection
OCP、OVP、 UVP、OPP、Short Circuit Protection
INPUT
Input Voltage
90-264V
Input Frequency
50 ~ 60 Hz
MTBF
100,000 hrs minimum (at 25 ℃)
Input Current
5A at 115V
2.5A at 230V
OUTPUT
Voltage
+5V
+12V1
-12V
+3.3V
+5Vsb
MIN
1
1
0.05
1
0.1
NOM
7
9
0.3
8
1.5
MAX
14
18
0.5
16
3
Units
AMPS
AMPS
AMPS
AMPS
AMPS
Note：1) The maximum continuous total DC output power shall not exceed 250 Watts.
2) The maximum continuous combined load on +5V and +3.3V outputs shall not exceed 110Watts
3) The maximum continuous combined load on +5V, +3.3V and +12V outputs shall not exceed 229 Watts.
Environment
Operation Temperature
0 ℃ to 50 ℃
Storage Temperature
-20 ℃ to 60℃
Operation Humidity
20% to 85%, non-condensing
Storage Humidity
10% to 95%, non-condensing
SEVENTEAM ELECTRONICS CO., LTD. Copyright(C)2010 All Rights Reserved.
Headquarters：2F, No. 35, Lane 167, Sec. 1, Tung Ho E. St, Taipei, Taiwan Tel:+886-2-2882-9050 Fax:+886-2-2882-6230~1.
Factory：Bei An Industrial Park, Huang Jiang, Dong Guan City, Guang Dong Province, China Tel:+86-769-8362 1007 Fax:+86-769-8362 1006
ST-250U1A Feature
