ElectronicsThe SMBJ440A, manufactured by Bourne Electronics, is a Surface Mount Device (SMB, DO-214AA) Transient Voltage Suppressor (TVS) with Electrostatic Discharge (ESD) protection. It is RoHS compliant and is rated for working voltages up to 400V, peak pulse current of 1200A, and is designed to protect against transients, voltage spikes, and other overvoltage problems. The SMBJ440A has a very low leakage current, making it suitable for use in automotive, industrial, and other applications requiring long-term reliability and robust protection. It also has a fast response time and is able to provide reliable protection even under the toughest operating conditions.