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See Product Specifications
| Part Number: | BD249B-S | 
| Category: | Discrete Semiconductor Products | 
| Subcategory: | Transistors - Bipolar (BJT) - Single | 
| Manufacturer: | Bourns Inc. | 
| Packaging: | Tube | 
| Product Status: | Obsolete | 
| Transistor Type: | NPN | 
| Current - Collector (Ic) (Max): | 25 A | 
| Voltage - Collector Emitter Breakdown (Max): | 80 V | 
| Vce Saturation (Max) @ Ib, Ic: | 4V @ 5A, 25A | 
| Current - Collector Cutoff (Max): | 1mA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 10 @ 15A, 4V | 
| Power - Max: | 3 W | 
| Frequency - Transition: | - | 
| Operating Temperature: | -65°C ~ 150°C (TJ) | 
| Mounting Type: | Through Hole | 
| Package / Case: | TO-218-3 | 
| Supplier Device Package: | SOT-93 |