| Part Number | BU508A | BU208A |
|---|---|---|
| Manufacturer | Motorola | STMicroelectronics |
| 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) | 8 A | 8 A |
| Voltage - Collector Emitter Breakdown (Max) | 700 V | 700 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 2A, 4.5A | 1V @ 2A, 4.5A |
| Current - Collector Cutoff (Max) | 1mA | 1mA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | - | - |
| Power - Max | 125 W | 150 W |
| Frequency - Transition | 7MHz | 7MHz |
| Operating Temperature | 150°C (TJ) | 175°C (TJ) |
| Mounting Type | Through Hole | Chassis Mount |
| Package / Case | TO-247-3 | TO-204AA, TO-3 |
| Supplier Device Package | TO-247-3 | TO-3 |