| Part Number | 2SC3974 | 2SC3979 |
|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components |
| 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) | 7 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 500 V | 800 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 800mA, 4A | 1.5V @ 160mA, 800mA |
| Current - Collector Cutoff (Max) | 100µA (ICBO) | 50µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 8 @ 4A, 5V | 6 @ 800mA, 5V |
| Power - Max | 3 W | 2 W |
| Frequency - Transition | 20MHz | 10MHz |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TOP-3F | TO-220-3 Full Pack |
| Supplier Device Package | TOP-3F-A1 | TO-220F-A1 |