The PH50S280-3.3 from TDK-Lambda Americas Inc is a 50 W isolated board-mount DC-DC converter with 1 output at 3.3 V and 10 A, accepting a 200 V to 400 V input.
The PH50S280-12 from TDK-Lambda Americas Inc is an isolated board-mount DC-DC converter module with 1 output at 12 V, 4.2 A, and a 200 V to 400 V input.