BUY LM4040DIM3-2.5 https://www.utsource.net/itm/p/11241429.html
IC VREF SHUNT 2.5V SOT23-3
Description: The LM4040DIM3-2.5 is a precision 2.5V voltage reference in a SOT-23 package. Features: - 2.5V Output Voltage - 0.1% Initial Accuracy - 0.2% Temperature Coefficient - Low Output Noise - Low Dynamic Impedance - Low Quiescent Current - Reverse Battery Protection Applications: - Battery-Powered Systems - Portable Instruments - Automotive Electronics - Data Acquisition Systems - Industrial Process Control - Medical Instruments (For reference only)