2N3638 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -25 V
• Collector-Base Voltage, max: -25 V
• Emitter-Base Voltage, max: -4 V
• Collector Current − Continuous, max: -0.5 A
• Collector Dissipation: 0.7 W
• DC Current Gain (h_fe): 30
• Operating and Storage Junction Temperature Range: -55 to +125 °C
• Package: TO-105

Here is an image showing the pin diagram of this transistor.The BC808 (SOT-23), BC808-16 (SOT-23), BC808-16W (SOT-323), BC808-25 (SOT-23), BC808-25W (SOT-323), BC808-40 (SOT-23), BC808-40W (SOT-323), BC808W (SOT-323), MMBTA63 (SOT-23), MMBTA64 (SOT-23), MMBTA65 (SOT-23), PMBTA64 (SOT-23), PZTA63 (SOT-223), PZTA64 (SOT-223) and PZTA65 (SOT-223) is the SMD version of the 2N3638 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N3638 with the 2N3638A or 2N3644.