The SMDJ40A with TVS SMC (DO-214AB) RoHS is a bidirectional transient voltage suppressor (TVS) manufactured by Yageo. It is a low profile diode package, and it is designed to provide protection against electrostatic discharge (ESD), and transient voltage waveforms in a variety of automotive, industrial, and consumer applications. Features of the SMDJ40A include a low operating voltage of 12V, a fast response time of less than 1ns, a low leakage current of <1µA, and a wide operating temperature range from -55°C to +150°C. The SMDJ40A is certified RoHS compliant, and it is UL/CSA recognized and compliant with AEC-Q101 standards.