P4KE20A is a 400W unidirectional TVS diode from Taiwan Semiconductor. It features a 17.1V reverse standoff voltage and 27.7V clamping voltage in a DO-204AL axial leaded package.
The BZW04P10-E3/54 is a 400W unidirectional TVS diode with 10.2V reverse standoff voltage and 16.7V clamping voltage, housed in a DO-204AL (DO-41) through-hole package.
The P4KE400A is a 400W unidirectional TVS diode from Littelfuse with a 342V reverse standoff voltage and 548V clamping voltage. It is housed in a DO-204AL (DO-41) axial leaded package for through-hole mounting.
The P4KE18A is a 400W unidirectional TVS diode from Taiwan Semiconductor with a reverse standoff voltage of 15.3V and clamping voltage of 25.5V. It is housed in a through-hole DO-204AL (DO-41) axial package.