| Part Number | 2N3439 | 2N3739 |
|---|---|---|
| Manufacturer | NTE Electronics, Inc | Microchip Technology |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Active |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 1 A | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 350 V | 300 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 4mA, 50mA | 2.5V @ 25mA, 250mA |
| Current - Collector Cutoff (Max) | 20µA | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 20mA, 10V | 25 @ 250mA, 10V |
| Power - Max | 1 W | 20 W |
| Frequency - Transition | 15MHz | - |
| Operating Temperature | 200°C (TJ) | -55°C ~ 200°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can | TO-213AA, TO-66-2 |
| Supplier Device Package | TO-39 | TO-66 (TO-213AA) |