2SA812-M3 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -50 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 60 to 90
• 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 2SA812-M3 transistor can have a current gain of 60 to 90. The gain of the 2SA812 will be in the range from 90 to 600, for the 2SA812-M4 it will be in the range from 90 to 180, for the 2SA812-M5 it will be in the range from 135 to 270, for the 2SA812-M6 it will be in the range from 200 to 400, for the 2SA812-M7 it will be in the range from 300 to 600.The 2SA812-M3 transistor is marked as "M3".The complementary NPN transistor to the 2SA812-M3 is the 2SC1623-L3.You can replace the 2SA812-M3 with the 2SA1518, 2SA1519, 2SA1520, 2SA1521, FMMT551, FMMTA55, FMMTA56, KST55, KST56, MMBT4354 or MMBT4356.