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| Micro ATX-SS250V (250W SFX12V) |
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This Micro ATX power supply is a 250W, SFX Form Factor, five output unit with remote
on/off, UL, CSA, CB, and TUV approvals. Airflow drawn out of case by 80mm internal fan.
AC input is positioned on long side of power supply. Special features include active Power
Factor Correction (PFC) > 0.95, autoranging input 100-240VAC, kill switch and 80mm
ball-bearing fan. 20 + 4 main board power connector designed for use with 20 pin or 24 pin main
boards. PFC harmonics conform to EN61000-3-2. Meets Intel P4 SFX12V
Power Design Guide 2.0 and AMD Athlon requirements. RoHS compliant. Includes SFX-L
Faceplate at no extra charge. Manufacturer p/n SS-250SFD-APFC.
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| Connectors |
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| This power unit has (1) 20+4 ATX connector, (1) ATX12V
connector, (4) peripheral power connectors, and (1) floppy drive connector. |
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| 20+4 ATX1 |
ATX12V2 |
Peripheral3 |
Floppy4 |
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Connector notes:
1MOLEX 39-01-2200 or equivalent. Pin 2 also contains +3.3V Sense.
2MOLEX 39-29-9042 or equivalent
3AMP 1-480424-0 or equivalent. 4AMP 171822-4 or equivalent.
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| Specifications |
| Manufacturer |
Seasonic |
Model |
SS-250SFD-APFC |
| Type |
SFX12V |
Warranty |
1 year |
| Dimensions |
125L x 100W x 63.5H mm |
Dimensions US |
4.9" x 3.9" x 2.5" |
| Efficiency |
> 70% at full load |
PFC Standard |
EN61000-3-2 + A1 + A2 |
| EMC Standard |
CISPR22, C-tick & FCC part 15 class B |
| Safety |
VDE, TUV, D, N, S, Fi, UL, C-UL & CB |
| Reliability |
> 100K hours at 25°C ambient conditions. |
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| AC Input |
| Voltage |
Max current |
Frequency |
Protection |
| 100-240VAC |
5 A |
50-60 HZ |
Internal fuse |
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| DC Outputs |
| Voltage |
Max Current |
Min Current |
Max Ripple |
Load |
Line |
Cross |
| +3.3V |
18 A |
0.3 A |
50 mVpp |
+5% |
+5% |
+5% |
| +5V |
21 A |
0.5 A |
50 mVpp |
+4% |
+5% |
+4% |
| +12V |
16 A |
1.0 A |
120 mVpp |
+5% |
+5% |
+5% |
| -12V |
0.8 A |
0.0 A |
150 mVpp |
+10% |
+5% |
+5% |
| +5VSB |
2.0 A |
0.1 A |
50 mVpp |
+5% |
+5% |
+5% |
| Notes: (1) +3.3V and +5V combined not to exceed 110W, (2)
Load, line, and cross refer to regulation, (3) Output Voltage Hold Time is 16mS. |
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