The 1.5KE15CA is an unidirectional transient voltage suppressor manufactured by Yageo. It features a maximum pulse power of 350W and has three voltage ratings available: 21.2V, 14.3V, and 12.8V. It also has a DO-201 package, and is RoHS-compliant. This component is used in a variety of applications, including automotive and consumer electronic devices.