2N5059 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 250 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.15 A
• Collector Dissipation: 5 W
• DC Current Gain (h_fe): 30 to 150
• Transition Frequency, min: 160 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 2SC4497 (SOT-23) is the SMD version of the 2N5059 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.