| Manufacturer | Part Number | Description |
|---|---|---|
Intersil (now Renesas)
| 2N4224 | N-CHANNEL JFET |
Solitron Devices
| 2N4224 | Low Power Field Effect Transistors |
Motorola Semiconductor (now NXP Semiconductors)
| 2N4224 | VHF AMPLIFIER JFET |
Siliconix
| 2N4224 | n-channel JFET |
