The SMBJ400A-Q1-H is a high-performance Transient Voltage Suppressor (TVS) diode from FORMOSA MICROSEMI, designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. This diode features a power dissipation of 400W and a standoff voltage of 400V, providing reliable overvoltage protection. Its SMB (DO-214AA) package allows for easy surface mounting. Ideal for automotive applications and general-purpose protection. As an authorized distributor of FORMOSA MICROSEMI, Supreme Components International guarantees the authenticity and traceability of this component. Choose the SMBJ400A-Q1-H for superior circuit protection.