Talema Electronic [ India ] Pvt. Ltd supplies Printed Circuit Board Mounted Encapsulated Toroidal Transformer. Talema Electronic [ India ] Pvt. Ltd is an ISO 9001: 2000, ISO/TS - 16949: 2002 and ISO 14001: 2004 accredited company. The Printed Circuit Board Mounted Encapsulated Toroidal Transformer is available with either 115V or 230V, 50/60Hz primary windings. The Transformer can be connected to Twin secondary windings in series or parallel or can be used independently.