L78L33ABUTR is a fixed 3.3V voltage regulator in a compact SOT89 package, designed for low‑power electronics. The device provides a stable 3.3V output from a higher input supply, making it suitable for small circuits such as microcontrollers, sensors, and other lowpower analog/digital applications. This listing includes 100 pieces in Tape and Reel (UTR) packaging. Key benefits Delivers a reliable, fixed 3.3V supply for low‑power devices, simplifying board design. Compact SOT89 package enables spaceefficient surfacemount layouts. Simple, dropin solution for 3.3V power rails in embedded projects. Tape and Reel packaging supports automated assembly and efficient production runs. Useful for quick prototyping and small‑quantity manufacturing with consistent performance. Key attributes Model: L78L33ABUTR Type: Fixed linear voltage regulator Output voltage: 3.3V (fixed) Maximum output current: Up to 100 mA Input voltage range: Up to 25V Package: SOT89, threepin Packaging: Tape and Reel (UTR) Quantity in kit: 100 pieces Applications and use cases Powering 3.3V microcontrollers and microprocessor peripherals in compact embedded designs. Supplying sensors and analog frontends that require a stable 3.3V rail in portable or spaceconstrained devices. Prototyping and small‑batch production of IoT modules, wearables, or batterypowered electronics where a simple, reliable 3.3V regulator is needed. Design and integration notes For stable operation, follow standard regulator practice by including appropriate input and output decoupling capacitors as recommended by the datasheet. Suitable for low‑power applications where a simple, reliable 3.3V regulation solution is required in a small form factor.