Fly Black Transformer TL480~484 Series Specifications description: Ferrite Core Size: EE12.6/EE13/EE16/EE20/EE25 Maximum Output Power: 45W Primary / Secondary Insulation: 4000Vrms Primary / Secondary Creepage: 6mm min. Insulation Material Class F (155°C) Agency Approvals: UL 60950-1, CAN/CSA C22.2 No. 60950-1-07