The TTC-133 (Tamura Transistor and Capacitor) is a range of semiconductor devices designed, manufactured, and sold by Tamura Corporation. It includes a variety of products such as transistors, diodes, and capacitors. The TTC-133 family of products is suitable for use in high current and high frequency applications, making them popular among industrial, automotive, and consumer electronics applications. Tamura is one of the leading suppliers of semiconductor components, and the TTC-133 family of products represents the latest offering from the company.