1N1186A is a high-power silicon rectifier diode (NOS)

The 1N1186A is a high-power silicon rectifier diode designed for robust performance in demanding electrical applications. It supports an average rectified current up to 40 A and withholds a maximum DC reverse voltage of 200 V, ensuring reliable operation under heavy load. With a forward voltage drop of 1.1 V at full current, it maintains efficiency while minimizing losses. Its surge current rating of 800 A handles short bursts safely. Encased in a durable DO-5 stud-mount metal package, the 1N1186A offers excellent thermal conduction and mechanical stability for industrial and military surplus use.