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| Micro ATX-SS300V (300W SFX12V-V3.0) |
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This Micro ATX power supply is a 300W, SFX Form Factor, five output unit with remote
on/off, UL, UL-C, S, and TUV approvals. Latest Micro SFX technology, split +12V rails for CPU
and subsytem I/O, 20+4 main board power connector for 20 pin or 24 pin main boards. Airflow drawn
out of case by 80mm internal fan, noise < 35dBA. AC input is positioned on long side of power
supply. Special features include active Power Factor Correction (PFC) > 0.95, autoranging input
100-240VAC, and kill switch. PFC harmonics conform to EN61000-3-2. Compliant with Intel P4 SFX12V
Power Design Guide 3.0 . 80PLUS certified, 80% or greater efficiency from 60W to 300W output.
Includes SFX-L Faceplate. Manufacturer p/n
SS-300SFD-APFC.
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| Connectors |
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| This power unit has (1) 20+4 ATX connector, (1) ATX12V
connector, (2) Serial ATA connectors, (4) peripheral power connectors, and
(2) floppy drive connectors. |
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| 20+4 ATX1 |
ATX12V2 |
SATA Power3 |
Peripheral4 |
Floppy5 |
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Connector notes:
1MOLEX 39-01-2240 or equivalent. Pin 13 also contains +3.3V Sense.
2MOLEX 39-29-9042 or equivalent.
3MOLEX housing #675820000, MOLEX terminal #675810000 or equivalents.
4AMP 1-480424-0 or equivalent. 5AMP 171822-4 or equivalent.
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| Specifications |
| Manufacturer |
Seasonic |
Model |
SS-300SFD-APFC |
| Type |
SFX12V-V3.0 |
Warranty |
1 year |
| Dimensions |
125L x 100W x 63.5H mm |
Dimensions US |
4.9" x 3.9" x 2.5" |
| Efficiency |
> 74% at full load, normal input voltage |
PFC Standard |
EN61000-3-2 + A1 + A2 |
| EMC Standard |
CISPR22, C-tick & FCC part 15 class B |
| Safety |
TUV, S, UL, & C-UL |
| Reliability |
> 100K hours at 25°C ambient conditions |
| Cooling |
80mm internal fan, 30CFM minimum, noise less than 35dBA |
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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 |
20 A |
0.3 A |
50 mVpp |
+5% |
+5% |
+5% |
| +5V |
20 A |
0.5 A |
50 mVpp |
+5% |
+5% |
+5% |
| +12V1 |
8.0 A |
1.0 A |
120 mVpp |
+5% |
+5% |
+5% |
| +12V2 |
14.5 A |
1.0 A |
120 mVpp |
+5% |
+5% |
+5% |
| -12V |
0.8 A |
0.0 A |
150 mVpp |
+10% |
+10% |
+10% |
| +5VSB |
2.0 A |
0.0 A |
50 mVpp |
+5% |
+5% |
+5% |
| Notes: (1) +3.3V and +5V combined not to exceed 125W / 28A, (2)
Load, line, and cross refer to regulation, (3) Output Voltage Hold Time is 16mS. |
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