| Manufacturer | Part Number | Description |
|---|---|---|
RCA |
ECC189 | Twin Triode |
Mazda |
ECC189 | Double Triode |
| LA RADIOTECHNIQUE | ECC189 | Double Triode |
Philips Semiconductors (now NXP Semiconductors) |
ECC189 | R.F. Double Triode |
| Unknown Manufacturer | ECC189 | Double Triode |
MAZDABELVU |
ECC189 | Double Triode |
