ATX PC Power Supply Delivers 500W

The TMPC-500 emerges as the first medically-approved 500W ATX PC power supply available. It provides a 90 to 265 Vac universal input and active PFC for worldwide use without changing input settings. Specifications include a MTBF in excess of 200,000 hours at 25°C, a typical earth leakage current of 90 µA at 115 Vac or 150 µA at 230 Vac, dc-voltage/-current outputs of +3.3V/30A, +5V/30A, dual +12V/17A, -12V/0.8A, +5Vsb/2A, -5V/0.3A, and a maximum total output of 500W with the combined output of +3.3V and +5V limited to 200W and +3.3V/+5V/+12V offering a maximum power of 480W. The power supply includes a standard output cable set. Other features include a ball-bearing fan with noise killer, short-circuit protection on all outputs, output-over-voltage protection, resettable power shutdown, and a 0ºC to 50ºC operating temperature range. A less than 90 µA at 264 Vac low leakage version is also available. Price for the TMPC-500 is $299 each in OEM quantities. TUMBLER TECHNOLOGIES + TRUMPOWER, Santa Clara, CA. (408) 988-6616.