Taiyo Yuden Tamura TDK Corporation Teccor请参见 Littelfuse/Teccor 部分),
TechTools Telcom Semiconductor, Inc.请参见 Microchip Technology 部分),
Texas Instruments TI-RFid 系统 Toshiba TPI(Test Products International) TT Electronics/Optek Technology Tyco Electronics/Alcoswitch Tyco Electronics/AMP Tyco Electronics/CoEv Magnetics Tyco Electronics/Corcom Tyco Electronics/P&B Tyco Electronics/Power Systems请参见 Lineage Power 部分),
Tyco Electronics/Raychem Cable Protection Tyco Electronics/Raychem Circuit Protection United Chemi-Con U.S. Sensor US Relays & Technology, Inc. US-Lasers, Inc. V-Infinity(CUI, Inc. 分部) Varitronix Vishay VTI Technologies Wakefield Engineering Weidmuller Wickmann请参见 Littelfuse/Wickmann 部分),
Wintec Industries World Magnetics Wurth Electronics, Inc. Xeltek Xicor请参见 Intersil 部分),
Yageo Zetex Zilog