The VS-240UR80D is a series of high voltage Silicon Controlled Rectifiers (SCR) manufactured by Vishay. These thyristors have a VRRM maximum of 800V and an IH of 0.2A. They are sensitive gate devices with a high surge capability, and they feature an easy-to-use clip-in terminal support. In addition, these thyristors feature a maximum power dissipation of 77W, a low thermal resistance of 5.3K/W, a direct insertion of the clip-in terminal support, and a MSL rating of 5. These devices are ideal for use as inrush current limiters for AC/DC circuits, AC motor speed controls, and power supplies.