| Manufacturer | Part Number | Description |
|---|---|---|
Philips Semiconductors (now NXP Semiconductors) |
EC91 | Grounded Grid Triode |
Mullard |
EC91 | Miniature Grounded Grid Triode |
Philips Semiconductors (now NXP Semiconductors) |
EC91 | S.Q. Tube |
Mallory |
CEC910J | Disc Ceramic Capacitors |