The SMBJ40CA TVS (Transient Voltage Suppressor) DO-214AA RoHS manufactured by Prisemi is an electronic component designed to protect equipment from voltage transients caused by lightning, crosstalk, inductive switching, and other voltage surges. This SMBJ40CA has a breakdown voltage rating of 40V, peak pulse power dissipation of 600W at a 10/1000us waveform, and a clamping voltage of 61V. It is a lead-free, RoHS-compliant component that is suitable for applications requiring high-performance protection.