| Mfr Part # | Mfr | Series | Package | Product Status | Accessory Type |
|---|---|---|---|---|---|
| MPY534SH | Texas Instruments | MPY | Tube | Obsolete | - |
| MPY634KPG4 | Texas Instruments | MPY | Tube | Discontinued at Digi-Key | - |
| MPY634KU/1K | Texas Instruments | MPY | Bulk | Active | - |
| MPY634KUG4 | Texas Instruments | MPY | Tube | Discontinued at Digi-Key | - |