Switch mode power supply transformers for flyback, forward, push-pull, half and full bridge topologies. Operating frequencies from 20 KHz to 500 KHz. Wide range of corebobbins sizes available for all topologies. Surface mount and through hole packages. Power ratings from 0.5 VA to 5 KVA. EMI suppression reduced by shielding construction. Safety standards include UL 1446, IEC 950 and VDE 0450. Available in UL class B (130°C) through H (180°C). Built to meet RoHS directive upon request.