The MST1025BSF with LED Drivers SOT-23-6 RoHS is a six lead surface-mount device manufactured by MST (formerly known as Mimic Components). It is an adjustable constant current control device specifically designed to drive LEDs. It has a wide input voltage range of 2.5 V to 25 V, allowing for low-power applications from a single-cell Li-Ion battery to automotive and general LED lighting. The integrated circuit has high efficiency and no additional heat dissipating components are needed. Benefits include improved power efficiency, no external components, and compact package. The RoHS marking on the device signifies that it is free of lead, mercury, cadmium, and other hazardous materials.