MMBT3904TT1G Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.2 A
• Collector Dissipation: 0.15 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 300 MHz
• Noise Figure, max: 5 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-416
• The MMBT3904TT1G is the lead-free version of the MMBT3904TT1 transistor

Here is an image showing the pin diagram of this transistor.The MMBT3904TT1G transistor is marked as "AM".You can replace the MMBT3904TT1G with the MMBT3904TT1.