| Type | Substitutes | Base Diagram |
|---|---|---|
| E442S | H4080D, 41MSG, TE42S, DW2, S4VX, S4150E, S410N, AS4100, SV490, RS4142N, RENS1204, RA_Adzam, 4S120, 5-442S, CWN4, 151_Ignix_4pin, 155_Ignix | |
| Web References | E442S (Philips) @ Franks Electron Tubes? E442S @ Radiomuseum | |