CMOS Voltage Reference, High Precision, Low Drift, 4.096 V, SOT-23, 3 Lead, 1.3x2.9, 3000-REEL
REF3030TB-GT3 Series Voltage Reference, 3V, 10mA, TO-236-3, -40°C to 85°C
REF3020TB-GT3 Series Voltage Reference 2.048V 10mA TO-236-3