| Base Product Number | BD677 |
| Category | Discrete Semiconductor Products |
| Current - Collector (Ic) (Max) | 4 A |
| Current - Collector Cutoff (Max) | 500?A |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 750 @ 2A, 3V |
| Frequency - Transition | - |
| Mfr | Fairchild Semiconductor |
| Mounting Type | Through Hole |
| Operating Temperature | 150?C (TJ) |
| Package | Bulk |
| Package / Case | TO-225AA, TO-126-3 |
| Part Status | Active |
| Power - Max | 40 W |
| Series | - |
| Supplier Device Package | TO-126-3 |
| Transistor Type | NPN - Darlington |
| Vce Saturation (Max) @ Ib, Ic | 2.8V @ 40mA, 2A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V |
