| Part Number | BSP50 | BSR50 |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Obsolete |
| Transistor Type | NPN - Darlington | NPN - Darlington |
| Current - Collector (Ic) (Max) | 800 mA | 1.5 A |
| Voltage - Collector Emitter Breakdown (Max) | 45 V | 45 V |
| Vce Saturation (Max) @ Ib, Ic | 1.3V @ 500µA, 500mA | 1.6V @ 4mA, 1A |
| Current - Collector Cutoff (Max) | 50nA | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 2000 @ 500mA, 10V | 2000 @ 500mA, 10V |
| Power - Max | 1 W | 625 mW |
| Frequency - Transition | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | TO-261-4, TO-261AA | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | SOT-223-4 | TO-92-3 |