| Part Number | BUH50 | BUH51 |
|---|---|---|
| Manufacturer | onsemi | onsemi |
| 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) | 4 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 500 V | 500 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 1A, 3A | 500mV @ 200mA, 1A |
| Current - Collector Cutoff (Max) | 100µA | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 5 @ 2A, 5V | 8 @ 1A, 1V |
| Power - Max | 50 W | 50 W |
| Frequency - Transition | 4MHz | 23MHz |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-225AA, TO-126-3 |
| Supplier Device Package | TO-220 | TO-126 |