1.5KE120CA is a 1500W bidirectional Zener TVS diode from Littelfuse, with 102V reverse standoff voltage and 165V clamping voltage in a DO-201 through-hole package.
The 1.5KE12CA is a 1500W bidirectional TVS diode from STMicroelectronics. It features a reverse standoff voltage of 10.2V and clamping voltage of 21.7V.
1.5KE400CA is a bidirectional Zener TVS diode from STMicroelectronics with 342V reverse standoff voltage and 706V clamping voltage. It offers 1500W peak pulse power dissipation in a through-hole DO-201 package.