MMBT2222AT Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 75 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.6 A
• Collector Dissipation: 0.25 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 300 MHz
• Noise Figure, max: 4 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-523F
• Electrically Similar to the Popular 2N2222A transistor

Here is an image showing the pin diagram of this transistor.The MMBT2222AT transistor is marked as "1P".