LM4030CMFX-2.5 is an ultra-high precision shunt voltage reference featuring exceptional initial accuracy (0.05%) and excellent temperature stability (10 ppm/°C). It provides a fixed output voltage of 2.5V, operating over a wide temperature range from –40°C to +125°C.Packaged in SOT-23, the LM4030 offers low thermal hysteresis (75 ppm), long-term stability (40 ppm), and strong immunity to board stress.Designed for use in data acquisition, signal conditioning, instrumentation, and industrial control systems, this device is ideal for applications requiring a stable precision voltage reference without the need for an external supply.