The TL431ACLPM TO923 is a 3pin adjustable shunt regulator in a TO92 package. This product provides a precise, externally adjustable reference that can be used as a programmable zener in a variety of regulation and control circuits. This lot includes 16 pieces. Key benefits Precise adjustable reference for stable regulation: uses an internal reference voltage to establish a defined output when combined with external resistors. Flexible regulation and control: suitable for use as a precision reference, error amplifier reference, or programmable zener in power supplies and feedback loops. Easy integration with standard designs: simple tworesistor network sets the regulation point; compatible with common TL431based topologies. Compact, throughhole packaging: TO923 package enables convenient mounting on printed circuit boards and in prototyping environments. Reliable, low impedance performance: designed to provide stable regulation with good dynamic response in typical control circuits. Key attributes Functionality: adjustable shunt regulator with an internal reference designed for use as a programmable reference or zener substitute. Compatibility: compatible with common TL431based configurations for linear regulators, switching regulators feedback networks, voltage references, and precision regulation tasks. Size and packaging: TO923 threelead package suitable for throughhole mounting. Material and construction: plastic molded encapsulation typical of TO92 devices, with three leads for easy insertion and stable connection. Performance characteristics: standard TL431 family behavior with a fixed reference voltage (typical 2.495 V) used in external resistor networks to set the output, and capability to conduct up to its specified cathode current in regulation circuits. Applications and use cases Power supply regulation and feedback: use as a precision reference or error amplifier in linear regulators or switching power supplies to improve regulation accuracy. Reference source in measurement and control circuits: serve as a stable voltage reference for analog circuits and microcontroller peripheral protection where a known reference is needed. Battery charging and protection circuits: implement accurate endpoint detection or voltage regulation in simple charge controllers by configuring the TL431 as a programmable reference. Notes This description reflects the model TL431ACLPM in a TO923 package with 16 pieces included. For exact electrical ratings, operating range, and characteristic curves, consult the device datasheet for this specific variant.