2N4035 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -40 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 1 W
• DC Current Gain (h_fe): 150 to 300
• Transition Frequency, min: 450 MHz
• Noise Figure, max: 6 dB
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-18

Here is an image showing the pin diagram of this transistor.The BC857 (SOT-23), BC857W (SOT-323), BC860 (SOT-23), BC860W (SOT-323), KST5086 (SOT-23), MMBT5086 (SOT-23) and PMBS3906 (SOT-23) is the SMD version of the 2N4035 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N4035 with the 2N2907, 2N2907A, 2N3251, 2N3496, BC177, BC478, BCY70, BCY71 or NTE159M.