Photos

Introduction

ATX-250GT (For Pentium 4 and Athlon XP) 250 Watts ATX12V Switching Power Supply

Features

• Complied with ATX and ATX12V standard
  
• High efficiency and reliability
  
• Remote On/Off function
  
• Manual Voltage Switch
  
• Internal 12V DC 80mm Ball-Bearing fan included
  
• Noise Killer (Thermal fan speed control function)
  
• Low noise and ripple
  
• Complies with FCC part 15 subpart J class B and CISPR 22 Class B
  
• Output over voltage, short circuit, and over current protection
  
• 100% Hi-pot, ATE, and burn-in tested
  
• Re-settable power shut down
  
• Approved by UL 1950, CSA C22.2 Level 3, TUV EN60950, Nemko (CB Report)
  

Specifications

• Connectors: 1x 20pin main power; 1x 4pin P4; 5x Peripheral; 2x Floppy; 1x AUX
  
• Dielectric Withstand: Primary to frame ground 1800V AC for 1 second
  
• Efficiency: 65% at minimum measured at nominal AC main voltage and frequency with maximum load on all output
  
• Rise Time: Less than 20ms on all outputs
  
• Hold-up Time: 16.6ms minimum at 115V/60Hz; 20ms minimum at 230V/50Hz input voltage
  
• Power Good Signal: Power on delay time 100~500 ms, off delay 1ms minimum (TTL and CMOS compatible)
  
• Leakage Current: Less than 3.5mA
  
• MTBF: 100,000 hours on maximum load at +25°C
  
• Dimension (WxLxH): 5.9 x 5.5 x 3.4 inch / 150 x 140 x 86 mm

Input Characteristics

• Input Range: 95~132/180~264V AC, Manual-select
  
• Frequency: 47 ~ 63 Hz
  
• Input Current: 10A (RMS) @115V AC, 5A (RMS) @230VAC
  
• Inrush Current: 80A Max for 132V AC Cold Start
  

Output Characteristics

• Total: 250 W
  
• +5V and +3.3V total output not exceed 135W
  
• When +3.3V is load to 14A, the +5V maximum load is 17.8A
  
• When +3.3V is load to 3.3A, the +5V maximum load is 25A
  
• +3.3V, +5V, and +12V total output not exceed 230W