The MMBT2907 from Hunan Jingxin Microelectronics is a Bipolar Junction Transistor with Collector Base Voltage 60 V, Continuous Collector Current 600 mA, DC Current Gain 100 to 300, Gain Bandwidth Product 200 MHz, Power Dissipation 0.25 W. Tags: Surface Mount, PNP Transistor. More details for MMBT2907 can be seen below.