Sumida Electric Co.,Ltd. Nagano Technology Center 日本語 中国语 > Switching Power Transformer > Power Inductors and Choke coils > Current Transformer > Resin-sealed Transformer >  Edgewise coil and Transformer >  Radio Transformer for Standby Power  >  Winding and Assembling of coil for HDD Spindle motor >  Manufacturing Switching Power Supply Device Followings are part of our products. Switching Power Transformer Design and production of various switching transformer which meets safety standards in Japan & overseas. More information  　>　Resonance Transformaer 　>　Low Profile Transformaer 　>　Multiple Terminal Type 　>　Produts List      Return to TOP Power Inductors and Choke coils Design and production of inductors from small size to large size. 　  more information       Return to TOP Current Transformer We have various size of current transformers from small current to high current. 　   more information     Return to TOP Resin-sealed Transformer High isolation, airproof, and high voltage in smallest size can be achieved with resin-sealed technology. 　 more information       Return to TOP  Edgewise coil and Transformer High lamination factor, high current use, dramatical downsize can be achieved through using the wire which cross section is rectangle.   more information       Return to TOP Radio transformer for standby power Various transformers that meet the regulations of energy saving while standby mode in Japan, in Asia and in Europe.  　　more information       Return to TOP  Winding and Assembling of coil for HDD spindle motor (Thailand) Providing high quality products with reliable coil in the clean room.       Return to TOP Manufacturing Switching Power Supply device (Aomori Plant) We realize quick delivery with our transformer/ coil and technology of mounting on board.       Return to TOP   Copyright(C) 2010 Sumida Nagano Technology Center All Rights Reserved.