| Operating Temperature | -65°C ~ 150°C (TJ) | |
| Frequency - Transition | 70MHz | |
| Current - Collector (Ic) (Max) | 500 mA | |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 4mA, 50mA | |
| ECCN | EAR99 | |
| Mounting Type | Surface Mount | |
| Product Status | Obsolete | |
| Voltage - Collector Emitter Breakdown (Max) | 250 V | |
| Supplier Device Package | SOT-89-3 | |
| Series | - | |
| Transistor Type | NPN | |
| Package / Case | TO-243AA | |
| Power - Max | 1 W | |
| REACH Status | REACH Unaffected | |
| Mfr | Diodes Incorporated | |
| Current - Collector Cutoff (Max) | - | |
| HTSUS | 8541.29.0075 | |
| Package | Cut Tape (CT) | |
| RoHS Status | RoHS non-compliant | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 20mA, 10V | |
| Base Product Number | BST40 | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
