The LM4050AEX3-2.5+T is a precision shunt voltage reference from Analog Devices, delivering a fixed 2.5V output with a tight ±0.1% initial tolerance and a 50ppm/°C temperature coefficient. This is the sort of reference you drop into an ADC or DAC supply rail when the system accuracy budget is tight and you need the output to stay within a few millivolts across the industrial temperature range.
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Surface-mount assembly in the SC-70-3 footprint is straightforward; the small body demands a fine-pitch stencil but no special reflow profile beyond standard lead-free soldering.