| Type | Substitutes | Base Diagram |
|---|---|---|
| C443 | RES364, L425D, DW3, PP430, C453, TC43, RS4343, TU430, 4A4_Ultron, 4B4_Ultron, BF100_Cyrnos, D100N, DP3, M43, PT425_5pin, R89, T55_Adzam, TV425, TW425, UP4C, V453 | |
| Web References | C443 (Philips) @ Franks Electron Tubes? C443 (Philips) @ Franks Electron Tubes? C443 (Philips) @ Franks Electron Tubes? C443 (Philips) @ Franks Electron Tubes? C443 @ Radiomuseum | |