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| Part Number | BUL705 | BUL805 | BUL704 | 
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Transistor Type | NPN | NPN | NPN | 
| Current - Collector (Ic) (Max) | 5 A | 5 A | 4 A | 
| Voltage - Collector Emitter Breakdown (Max) | 400 V | 450 V | 400 V | 
| Vce Saturation (Max) @ Ib, Ic | 800mV @ 1A, 4A | 800mV @ 600mA, 3A | 800mV @ 500mA, 2.5A | 
| Current - Collector Cutoff (Max) | 250µA | 250µA | 250µA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 16 @ 2A, 5V | 10 @ 2A, 5V | 14 @ 2A, 5V | 
| Power - Max | 80 W | 80 W | 70 W | 
| Frequency - Transition | - | - | - | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | 
| Supplier Device Package | TO-220 | TO-220 | TO-220 |