SS-300TFX - 300W TFX 12V PC Power Supply
Features
- Full range AC input
- Active PFC
- Specification compliance: TFX 12V V2.1
- Compliance to 80Plus
- Pentium 4 ready with P4 connectors
- Forward converter circuit
- High efficiency and reliability
- Low ripple & noise
- Super low noise fan control
- Short circuit protection on all outputs
- Over voltage, over power protection
- 100% burn in, high temperature cycled on/off
- Approvals: CUL, TUV, FCC, CB, CE, C-tick
General Specifications
| Input Voltage | 90 ~ 264Vac |
|---|---|
| Input Frequency | 47~63Hz |
| Input Current | 5A max |
| Inrush Current | 100A max, cold start |
| Hold Up Time | 12mS typically |
| Dynamic DC Output | ±10% Max. Excursion for 30% max. load change with return to regulation in 0.5mS |
| Total Power Protection | Total power 135% max with shut-down and latch off protection |
| Over Voltage Protection | Shut down & Latch OFF |
| Short Circuit Protection | Shut down, re-power to recover |
| Power Good Signal | open collector +5Vdc, TTL compatible |
| Efficiency | Over 80% at nominal voltage |
| Operating Temperature | 0°C ~ 40°C |
| Operating Humidity | 20% ~ 80% |
| Storage Temperature, Humidity | -40°C ~ +85°C, 10%~95% |
| Active PFC | Harmonic current meets IEC1000-3-2 / EN61000-3-2 standards. PFC >0.92 at full load. |
| Safety Standards | Conforms to IEC60950-1:2000, EN60950-1:2001, UL60950-1 1st, GB4943-2001 standards, |
| TUV, CUL (LEVEL 6), CB | |
| EMC | Compliance to EN61204-3:2000, & FCC Part 15 & Part 2 (CISPR 22 CLASS B), GB9254-1998, |
| GB17625.1-2003 standards, C-TICK | |
| Cooling | 80mm DC Fan, 28.8 CFM |
| MTBF | Over 100,000 hours at 25 Deg C. excluding the DC Fan |
SS-300TFX Specifications
| Part Number | Voltage (max/rated) | Current (amps) | Power (watts) | R&N (mV) | Efficiency (%) |
|---|---|---|---|---|---|
| SS-300TFX | 3.3V | 20A | 300W | 50mV | 80% |
| 5V | 20A | 50mV | |||
| 12V | 18A | 120mV | |||
| 12V | 18A | 120mV | |||
| -12V | 1A | 120mV | |||
| 5V | 2A | 50mV |
SS-300TFX Output Specifications
| Voltage | Min Load | Max Load | Peak Load | Tol. | R&N | OVP |
|---|---|---|---|---|---|---|
| 3.3V | 0.3A | 20A | - | ±5% | 50mV | 3.76 ~ 4.3V |
| 5V | 0.5A | 20A | - | ±5% | 50mV | 5.74 ~ 7.0V |
| Max continuous combined load on +3.3 VDC & +5 VDC should not exceed 110 W/28A | ||||||
| +12V1 | 1A | 18A | - | ±5% | 120mV | 13.4 ~ 15.6V |
| +12V2 | 1A | 18A | 19A | ±5% | 120mV | 13.4 ~ 15.6V |
| Max continuous combined load on +12V1 & +12V2 should not exceed 252W/21A | ||||||
| -12V | 0A | 0.8A | - | ±10% | 120mV | |
| 5Vsb | 0A | 2.0A | 2.5A | ±5% | 50mV | |
| Max continuous total DC output power should not exceed 300W | 330W, min 1 second |




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