| Part Number | BD249-S | BD241-S |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| 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) | 25 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 45 V | 45 V |
| Vce Saturation (Max) @ Ib, Ic | 4V @ 5A, 25A | 1.2V @ 600mA, 3A |
| Current - Collector Cutoff (Max) | 1mA | 300µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10 @ 15A, 4V | 10 @ 3A, 4V |
| Power - Max | 3 W | 2 W |
| Frequency - Transition | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-218-3 | TO-220-3 |
| Supplier Device Package | SOT-93 | TO-220 |