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The TL4050A50QDBZT is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 5 V with an initial accuracy of 0.1 percent and a temperature coefficient of 50 PPM per degree Celsius. The device operates within a junction temperature range of -40 to +125 degrees Celsius and supports a maximum shunt current of 15 mA. It is housed in a surface-mount SOT-23-3 package.
Verify the specific suffix QDBZT against the official datasheet to confirm automotive qualification status and package variant. Ensure compatibility with existing PCB footprints for the SOT-23-3 form factor. Confirm that the 5 V output aligns with system requirements before procurement.
Select this component when strict accuracy and low power are required in a compact footprint. Compare the 50 PPM/C drift against application thermal stability needs. Evaluate the 15 mA load capability against downstream circuit demands to ensure adequate headroom.
This part belongs to the TL4050 series of precision shunt references from Texas Instruments. The series offers various output voltages and accuracy grades. The Q prefix typically indicates automotive-grade reliability standards, while the DBZT suffix specifies the SOT-23-3 package and tape-and-reel delivery method.
LM4040BIM7-5.0/NOPB serves as a verified alternative offering similar shunt functionality and voltage output levels.