Power Transformers definition: A power transformer is a passive electromagnetic device that transfers energy from one circuit to another circuit by means of inductive coup... Power Transformers Product Listing: F271U,F456.Transformers type:Power Transformers(14961),Pulse Transformers(8770),Current Sense Transformers(3074),Isolation Transformers and Autotransformers, Step Up, Step Down(2169),Switching Converter, SMPS Transformers(1981) .Power Transformers has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the MOST.