Block vbei 05va pcb mount transformers block vbei 0 5115 the block short circuit proof pcb mount transformer 05va 15v 33ma has been designed for high ambient temperatures with double output voltage for series or parallel connection also features permanent corrosion protection high insulation value and maximum electrical reliability thanks to xtradensifill resin encapsulation along with a minimum size at high output and very low height primary connection assignment pin 1 to 2 pin a