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| Part Number | PN4122 | PN4121 |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi |
| Product Status | Obsolete | Obsolete |
| Transistor Type | PNP | PNP |
| Current - Collector (Ic) (Max) | 100 mA | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 40 V | 40 V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 5mA, 50mA | 300mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | 25nA | 25nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 150 @ 1mA, 1V | 60 @ 1mA, 1V |
| Power - Max | 625 mW | 625 mW |
| Frequency - Transition | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92-3 | TO-92-3 |
