Vigortronix 15va encapsulated pcb transformers vigortronix vtx 121 3015 209 pcb mounting encapsulated 230v transformer from vigortronix consisting of single primary 15va and secondary 2x0 9v windings due to their construction and encapsulation these transformers provide excellent performance in aggressive environments where potential exists for changes in temperature and humidity vigortronix vtx 121 3015 209 encapsulated pcb transformer 230v 15va 0 9v