BUY SMAJ40A https://www.utsource.net/itm/p/11206913.html
TVS Diode
Description: The SMAJ40A is a unidirectional Transient Voltage Suppressor (TVS) diode designed to protect voltage sensitive components from high voltage, high energy transients.
Features:
* Low profile surface mount package
* Low leakage current
* Low clamping voltage
* Fast response time
* RoHS compliant
Applications:
* Automotive electronics
* Industrial equipment
* Telecommunications
* Consumer electronics
* Computers and peripherals
(For reference only)