The BP5038 is an AC / DC converter which can be used to supply 12V, 30mA DC output from a commercial power supply (100 V AC). Using this unit enables simple, easy drive of microcomputers, relays, LEDs, and many other electronic components without using a transformer. The most compact of all of the products in the BP5030 series of AC / DC converters, the BP5038 allows set PCBs to be kept compact and lightweight, with extremely few attachments. FApplications