FMMTA42 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 300 V
• Collector-Base Voltage, max: 300 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 0.2 A
• Collector Dissipation: 0.33 W
• DC Current Gain (h_fe): 40
• Transition Frequency, min: 50 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 complementary PNP transistor to the FMMTA42 is the FMMTA92.You can replace the FMMTA42 with the KST42, MMBTA42, PBHV8540T, PMBTA44 or STR1550.