The P6KE15CA is a unidirectional Transient Voltage Suppressor (TVS) Diode manufactured by the Yageo Corporation. It is designed to protect sensitive electronic components from electrical transients such as lightning, switching noise, and impulse disturbances in automotive, computer, switching power supply, and LCD/LED TV applications. This component is an axial-leaded device with a maximum peak pulse power rating of 600 watts and a rated voltage of 21.2 volts, 14.3 volts, and 12.8 volts. It comes in the DO-15 (DO-204AC) surface-mount package, making it suitable for a range of applications. This component is also RoHS compliant, indicating that it has been tested to be in compliance with Restriction of Hazardous Substances (RoHS) regulations.