| Part Number | BD138 | BD238 |
|---|---|---|
| Manufacturer | STMicroelectronics | onsemi |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Obsolete |
| Transistor Type | PNP | PNP |
| Current - Collector (Ic) (Max) | 1.5 A | 2 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 80 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 50mA, 500mA | 600mV @ 100mA, 1A |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 150mA, 2V | 25 @ 1A, 2V |
| Power - Max | 1.25 W | 25 W |
| Frequency - Transition | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 |
| Supplier Device Package | SOT-32-3 | SOT-32-3 |