CUI Inc PEM1-S5-D5-S 1 W, 1:1 Input Range, Single/Dual Unregulated Output, 7 Pin SIP, 3000 Vdc Isolation, High Temp Range, Dc-Dc Converter - 5/-5 Vdc, 0.1 A, 1 W, 4.5~5.5 Vdc Input Range