The Motorola MCR649P-2 SCR Thyristor is a high-quality Silicon Controlled Rectifier designed for industrial use. Packaged in a metal can, this SCR is rated at 12.7A and 50V, making it suitable for a range of electrical applications. With the trusted Motorola brand and reliable performance, this pack of 4 SCRs is a dependable choice for controlling current flow in various electronic and electrical systems.