2SC3440-G Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 20 V
• Collector-Base Voltage, max: 25 V
• Emitter-Base Voltage, max: 4 V
• Collector Current − Continuous, max: 0.7 A
• Collector Dissipation: 0.15 W
• DC Current Gain (h_fe): 400 to 800
• Transition Frequency, min: 180 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The 2SC3440-G transistor can have a current gain of 400 to 800. The gain of the 2SC3440 will be in the range from 150 to 800, for the 2SC3440-E it will be in the range from 150 to 300, for the 2SC3440-F it will be in the range from 250 to 500.The 2SC3440-G transistor is marked as "BG".The complementary PNP transistor to the 2SC3440-G is the 2SA1365-G.You can replace the 2SC3440-G with the FMMT491A or FMMT618.