Four LMS8117AMP3.3 LS01 linear regulators in a SOT223 package are included. This product provides a fixed 3.3V output from a higher input voltage in a compact, surface mount package suitable for space constrained boards and projects. Key benefits Fixed 3.3V output for straightforward rail generation on digital and analog circuits. Compact SOT223 plastic package supports small form factor designs and easy surface mount assembly. Simple integration with no external feedback network required for the fixed output version, helping to speed up prototyping and production. LS01 designation identifies the specific variant/lot for traceability and consistency across multiple units. Sold as a pack of four units, making it convenient for projects that require multiple regulators or spare parts. Key attributes Model and type: LMS8117AMP3.3 LS01 fixed output linear regulator. Functionality: Linear regulator with fixed 3.3V output suitable for powering microcontrollers, sensors, and peripheral ICs on 3.3V rails. Compatibility: Designed for use in standard SOT223 footprint layouts common to linear regulators in this class; fits typical 3.3V rail designs without additional external resistors. Package and size: SOT223 surface mount package, compact for board level integration. Material and construction: Plastic encapsulation typical of SOT223 linear regulators. Performance note: Provides a fixed regulated output suitable for 3.3V applications; intended for use where a stable 3.3V supply is required on a compact board. Applications and use cases Microcontroller and embedded systems: Powering 3.3V microcontrollers, coprocessors, and peripheral ICs on compact development boards or custom PCBs. Sensor and peripheral supplies: Providing a stable 3.3V rail for sensors, transceivers, and other 3.3V peripherals in small form factor devices. Replacement or prototyping: Replacing 3.3V regulators in existing designs or used in prototyping kits and educational projects that require fixed 3.3V regulation in a SOT223 footprint. Notes This description reflects the product name LMS8117AMP3.3 LS01 and the SOT223 fixed output regulator format as presented in the title. Four units are included per ; exact electrical characteristics should be referenced from the supplier datasheet for operating ranges, capacitor requirements, and mounting guidelines.