| Manufacturer | Part Number | Description |
|---|---|---|
Philips Semiconductors (now NXP Semiconductors) |
E90CC | S.Q. Tube |
|
Philips Semiconductors (now NXP Semiconductors) |
E90CC | Double Triode |
Siemens Semiconductor Group (now Infineon) |
E90CC | Doppeltriode |
| AEG | E90CC | Twin Triode |
