2N4407 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -2 A
• Collector Dissipation: 8.75 W
• DC Current Gain (h_fe): 80 to 240
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-39

Here is an image showing the pin diagram of this transistor.The BCP53 (SOT-223) and BCX53 (SOT-89) is the SMD version of the 2N4407 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N4407 with the 2N6191 or 2N6193.