➀ TDK has expanded its CN-B110 series with quarter brick dc-dc converters to accommodate inputs from 43 to 160Vdc and outputs of 50, 100, or 150W. ➁ The converters are designed for compatibility with 72Vdc or 110Vdc railway systems. ➂ They offer output options of 5, 12, 15, 24, or 48V with efficiency ranging from 88 to 92%.