| Part Number | PN3643 | PN3646 |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Obsolete | Obsolete |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 500 mA | 300 mA |
| Voltage - Collector Emitter Breakdown (Max) | 30 V | 15 V |
| Vce Saturation (Max) @ Ib, Ic | 220mV @ 15mA, 150mA | 500mV @ 3mA, 300mA |
| Current - Collector Cutoff (Max) | 50nA | 500nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 10V | 30 @ 30mA, 400mV |
| Power - Max | 625 mW | 350 mW |
| Frequency - Transition | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 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 |