Block vb pcb mount dual output transformers 2va block vb 2 0 2 15 the block vb pcb mount transformer 2va 2 x 15v 2 x 133ma has been designed for high ambient temperatures and is unconditionally short circuit proof this high quality transformer is also equipped with double output voltage for series or parallel connection while boasting permanent corrosion protection high insulation value and maximum electrical reliability thanks to xtradensifill resin encapsulation p vb polar square wav