2N6420 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -175 V
• Collector-Base Voltage, max: -200 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 35 W
• DC Current Gain (h_fe): 40 to 200
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-66

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the 2N6420 is the 2N3583.The KST93 (SOT-23) is the SMD version of the 2N6420 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N6420 with the 2N6424 or 2N6425.