450W Front End Offers High Efficiencies

The SFP450-12BG, a 450W hot-swap ac/dc front-end, delivers a 12V output at 36.6A with efficiencies exceeding 89% and a power density of 9 W/in.³. The supply includes an I2C interface, which offers a range of monitoring and control capabilities. Static information includes serial number, part number, and place/date of manufacture, while real-time data includes ac input, output voltage and current levels, fan speed, and over-temperature alarms. Other features include a 90 to 264 Vac input range, 3.3V at 3A standby output, and the ability to provide 900W through parallel operation. Measuring 314.5 mm x 78 mm x 40 mm, the unit also provides output over-voltage, over-current, and over-temperature protection. Price is $300 each/100. POWER-ONE INC., Camarillo, CA. (866) 969-3438.