The PDX30W series 30W dc/dc converters reside in shielded metal cases measuring 2” x 1” x 0.4” and specify a 4:1 input range of either 9 to 36 Vdc or 18 to 75 Vdc. Available output voltages include single outputs of 3.3, 5, 12, or 15 Vdc and dual-outputs of ±3.3, ±5V, ±12, or ±15 Vdc. Other features include efficiencies of up to 90%, a MTBF in excess of 3.1 million hours, remote on/off, and trim. Price is $51 each/500. TDK-LAMBDA, San Diego, CA. (800) 526-2324.