| Part Number | TIP31B | TIP31C |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Obsolete | Active |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 3 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 80 V | 100 V |
| Vce Saturation (Max) @ Ib, Ic | 1.2V @ 375mA, 3A | 1.2V @ 375mA, 3A |
| Current - Collector Cutoff (Max) | 300µA | 200µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10 @ 3A, 4V | 10 @ 3A, 4V |
| Power - Max | 2 W | 40 W |
| Frequency - Transition | 3MHz | 3MHz |
| Operating Temperature | 150°C (TJ) | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 |
| Supplier Device Package | TO-220-3 | TO-220 |