The BL6601-6L from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current -2.5 to 3.8 A, Drain Source Resistance 55 to 190 milli-ohm, Drain Source Breakdown Voltage -30 to 30 V, Gate Source Voltage ±12 V, Gate Source Threshold Voltage -1.2 to 1.5 V. Tags: Surface Mount. More details for BL6601-6L can be seen below.