www.datasheet4u.com Switching Power Transformers Electrical Characteristics Applicable to flyback,forward,push pull and bridge circuits Output power rating up to 500W Frequency range:15KHz to 200 KHz Design to meet UL,CSA and VDE safety specifications Heat resistance classification : Class A (105 ) or Class B(130 ) Flammability retardant rating:UL-0 or 94V-1 EE Series Shape & Dimensions in mm PART NO. EE-8.3 EE-10 EE-13 EE-16-1 EE-1.