| Part Number | BCP51 | BCP53 | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Transistor Type | PNP | PNP | 
| Current - Collector (Ic) (Max) | 1.5 A | 1.2 A | 
| Voltage - Collector Emitter Breakdown (Max) | 45 V | 80 V | 
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 50mA, 500mA | 500mV @ 50mA, 500mA | 
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 150mA, 2V | 40 @ 150mA, 2V | 
| Power - Max | 1 W | 1.5 W | 
| Frequency - Transition | - | - | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | 
| Supplier Device Package | SOT-223-4 | SOT-223-4 |