The Vishay 20MQ100-M3/5AT is a 100 V, 3 A, bipolar NPN, low saturation voltage, medium power, silicon transistor. It is designed for use in general-purpose amplifier and switching applications. The transistor features a low collector-emitter saturation voltage of 100 mV, allowing for improved conduction. This device is specially designed for low noise and high frequency applications, making it an ideal choice for use in automotive and consumer electronics applications. It is also well suited for use in various audio, video, and telecommunication equipment applications.