In a standard 3 x 5 U-frame package, the TIP400 switching power supply delivers up to 400W and achieves better than 90% efficiency with forced air cooling. It provides a 12-Vdc output at 33A. Other features include an I2C digital interface, universal AC input with active PFC, current sharing with Or-ing diodes, AC OK, DC OK, remote On/Off, and over-temperature warning signals. Options include a 5VSB at 1A and a cover with an integrated fan. Pricing is $120 each in OEM quantities. TECTROL INC., Ontario, Canada. (416) 630-8108.