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| Part Number | BD237G | BD237STU | BD237 |
| Manufacturer | onsemi | onsemi | onsemi |
| Series | - | - | - |
| Package/Case | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 |
| Packaging | Bulk | Tube | Bulk |
| Product Status | Active | Obsolete | Discontinued at Digi-Key |
| Transistor Type | NPN | NPN | NPN |
| Current - Collector (Ic) (Max) | 2 A | 2 A | 2 A |
| Voltage - Collector Emitter Breakdown (Max) | 80 V | 80 V | 80 V |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 100mA, 1A | 600mV @ 100mA, 1A | 600mV @ 100mA, 1A |
| Current - Collector Cutoff (Max) | 100µA (ICBO) | 100µA (ICBO) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 25 @ 1A, 2V | 25 @ 1A, 2V | 25 @ 1A, 2V |
| Power - Max | 25 W | 25 W | 25 W |
| Frequency - Transition | 3MHz | 3MHz | 3MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Grade | - | - | - |
| Qualification | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | TO-126 | TO-126-3 | TO-126 |
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