| Manufacturer | Part Number | Description |
|---|---|---|
New Japan Radio
| JRC4558 | Dual Operational Amplifier |
ART CHIP
| JRC4558 | Dual Operational Amplifier |
JCST
| JRC4558 | Dual Channel Operational Amplifier |
Bookly Micro
| JRC4558 | Dual Operational Amplifier |
