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The TL431CLP-Z is an adjustable precision shunt voltage reference manufactured by Texas Instruments. It provides a programmable output voltage ranging from 2.495 V to 36 V using two external resistors. The device features an initial accuracy of ±2% and operates within a temperature range of 0°C to +70°C. It utilizes a TO-92-3 through-hole package with a maximum input voltage of 36 V and a maximum shunt current of 400 µA. The component exhibits a temperature coefficient of 92 PPM/°C and does not include a shutdown function.
Verify the specific suffix 'Z' against the manufacturer's latest documentation to confirm compliance with RoHS3 standards and material composition changes. Confirm that the TO-92-3 through-hole package aligns with the target PCB footprint requirements. Ensure the commercial temperature grade meets the operational environmental constraints of the final assembly.
Select this component when a through-hole adjustable reference is required for commercial temperature applications. The ±2% initial accuracy suits general-purpose regulation tasks where tighter tolerances are unnecessary. Consider the 400 µA minimum cathode current requirement to ensure proper regulation during low-load conditions.
This part belongs to the TL431 family of programmable shunt regulators, widely used as voltage references and error amplifiers. The CLP variant specifically denotes the commercial temperature grade and TO-92 packaging. It serves as a fundamental building block for feedback loops in switching and linear power supplies.
Direct substitutes include other TL431 variants with compatible pinouts and electrical characteristics, such as the TL431ACLP or TL431AILP, provided they meet the specific accuracy and temperature requirements of the design.