Please send RFQ , we will respond immediately.
| Part Number | BD678A | BD678AS | BD679A | BD678AG | BD678G | BD675A | BD676A | BD677A | BD678 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Fairchild Semiconductor | STMicroelectronics | onsemi | onsemi | onsemi | onsemi | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active | Active |
| Transistor Type | PNP - Darlington | PNP - Darlington | NPN - Darlington | PNP - Darlington | PNP - Darlington | NPN - Darlington | PNP - Darlington | NPN - Darlington | PNP - Darlington |
| Current - Collector (Ic) (Max) | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 60 V | 80 V | 60 V | 60 V | 45 V | 45 V | 60 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 2.8V @ 40mA, 2A | 2.8V @ 40mA, 2A | 2.8V @ 40mA, 2A | 2.8V @ 40mA, 2A | 2.5V @ 30mA, 1.5A | 2.8V @ 40mA, 2A | 2.8V @ 40mA, 2A | 2.8V @ 40mA, 2A | 2.5V @ 30mA, 1.5A |
| Current - Collector Cutoff (Max) | 500µA | 500µA | 500µA | 500µA | 500µA | 500µA | 500µA | 500µA | 500µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 750 @ 2A, 3V | 750 @ 2A, 3V | 750 @ 2A, 3V | 750 @ 2A, 3V | 750 @ 1.5A, 3V | 750 @ 2A, 3V | 750 @ 2A, 3V | 750 @ 2A, 3V | 750 @ 1.5A, 3V |
| Power - Max | 40 W | 14 W | 40 W | 40 W | 40 W | 40 W | 40 W | 40 W | 40 W |
| Frequency - Transition | - | - | - | - | - | - | - | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 |
| Supplier Device Package | SOT-32-3 | TO-126-3 | SOT-32-3 | TO-126 | TO-126 | TO-126 | TO-126 | SOT-32-3 | SOT-32-3 |
