The 15KPA28CA is an electronic component manufactured by Yageo and is a Transient Voltage Suppressor (TVS). It is rated at 47.5V, 31.28V and 28V with a peak power of 600 watts (P600). The device is also RoHS compliant, meaning it meets the European RoHS directive 2011/65/EU which restricts certain hazardous substances in electrical and electronic equipment.