I-STAR 3U 460W ATX Switching Power Supply

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SKU: TC-3U46 Category:



  • Hold up time: 16ms at max load & normal input voltage
  • Efficiency 68% typical (normal line)
  • Power good signal: should be asserted high to indicate that +5VDC and +3.3VDC output are above the low voltage thresholds. Compatible signal out with 100ms to 500ms
  • Over power protection: The power supply shall shut down output power exceeds 130% to 160%
  • Over voltage protection: Standard on +5.0V, set at 6.25VDC ± 0.75VDC
  • Short circuit protection: A short circuit placed between the DC return and the output shall cause no damage and the power supply shall shutdown
  • EMI:FCC part 15, subpart B, Class B, EN55022 CISPR22 Class B
  • Agency approvals: UL60950, CAN/CSA22.2 No. 60950, TUV(IEC60950)

AC Input
– Voltage: 90~132 or 185~260V, (115/230 auto)
– Frequency: 50/60Hz
– Input current 8A/4A For 115/230VAC
– Inrush current: 60A/80A MAX FOR 115/230


Min Output Max Output Load Regulation Ripple & Noise
+5V 3 40 ±5% 50mV
+12V 2 24 ±5% 120mV
-5V 0.1 0.3 ±10% 150mV
-12V 0.1 0.8 ±10% 150mV
+3.3V 1 20 ±5% 50mV
+5Vsb 0.1 2 ±5% 50mV

The combined output power +5V & +3.3V shall not exceed 200W

The total power shall not exceed 460W

Additional information

Weight 9.00 lbs

D180 X W117 X H86mm

Front Cooling

By forced air 1x80mm Fan

Operating temp.



100,000 hours at 25˚C. LIFE EXPCTANCY OF FAN 40,000 hours at 40˚C

Output Wattage