Texas Instruments Standard Linear and Logic Zener SOT-23 Precision Voltage Reference IC LM431BIM3

2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-SOT-23 -40 to 85 Product overview: LM431BIM3 from Texas Instruments is a Precision Voltage Reference IC for precision regulation, analog measurement, ADC/DAC reference rails, instrumentation, calibration, and control circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Zener, SOT-23. Search-friendly keywords include voltage reference, precision reference, analog accuracy, ADC reference, Zener, SOT-23, Precision Voltage Reference IC, Voltage References. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 693-LM431BIM3 can be used for catalog matching and distributor lookup.