Hot on the trail of efficiency nirvana, the IBC048 series VI BRICK intermediate bus converters claim to double the power density and halve the conversion loss of comparable components. Achieving 98% conversion efficiency, they are available as drop-in replacements for industry standard eighth-brick and quarter-brick 5:1 and 4:1 intermediate bus converters. Initial offerings include 300W and 500W models, providing 9.6V or 12V outputs from a nominal 48 V input with a voltage range extending from 38V to 55V. Pricing starts at $39 each in OEM quantities. VICOR CORP., Andover, MA. (800) 735-6200.