The AS03B (AI03B) is an electronic part with Touch Screen Controller ICs that allows the user to control the touch screen with their finger. It is manufactured by Sam&wing and meets the requirements of the RoHS (Restriction of Hazardous Substances) standard. It is a MSOP-10 package, which includes 10 leads (MSOP meaning mini Small Outline Package). This package type is typically used for small or low power electronics, making the AS03B (AI03B) ideal for applications that require a compact, low profile, and low power consumption. The controller ICs can be programmed to respond to the user's finger movements, allowing for a wide range of touch-based user-interfaces. This part is perfect for all types of touch-screen devices, including cell phones, tablets, and other devices.