2N4036 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -65 V
• Collector-Base Voltage, max: -90 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 5 W
• DC Current Gain (h_fe): 40 to 140
• Transition Frequency, min: 60 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) is the SMD version of the 2N4036 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N4036 with the 2N2102, 2N2102A, 2N4236, 2N5322, 2N5323, 2N5679, 2N5680 or 2SA510.