TCMT1100 is a NPN silicon surface-mount transistor from Vishay. It is designed for VHF, UHF, and medium-power applications, and is suitable for low base-drive applications and low power. The transistor has a maximum collector-emitter voltage of 50 V and a maximum collector current of 0.1 A. In addition, its collector-emitter saturation voltage is low at 0.3 V. The TCMT1100 features fast switching speed, with a maximum switching time of 550 ns. It features a low noise figure and is RoHS-compliant.