| Part Number | SD1275 | SD1274 |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Transistors - Bipolar (BJT) - RF | Transistors - Bipolar (BJT) - RF |
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| Product Status | Obsolete | Obsolete |
| Transistor Type | NPN | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 16V | 16V |
| Frequency - Transition | - | - |
| Noise Figure (dB Typ @ f) | - | - |
| Gain | 9dB | 10dB |
| Power - Max | 70W | 70W |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 20 @ 250mA, 5V | 20 @ 250mA, 5V |
| Current - Collector (Ic) (Max) | 8A | 8A |
| Operating Temperature | 200°C (TJ) | 200°C (TJ) |
| Mounting Type | Chassis, Stud Mount | Surface Mount |
| Package / Case | M135 | M135 |
| Supplier Device Package | M135 | M135 |