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The TL4051BIDCKT is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.225V with an initial accuracy tolerance of ±0.2%. The device operates within an extended temperature range of -40°C to 125°C and features a low temperature coefficient of 50ppm/°C. Packaged in a compact SC-70 (SOT-353) surface-mount housing, it draws a typical quiescent current of 65µA. The component supports a maximum cathode current of 12mA and maintains stability across all capacitive load conditions without requiring external output capacitors.
Verify the specific suffix IDCKT confirms the SC-70 package and B-grade accuracy. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the operating environment remains within the specified -40°C to 125°C range to maintain rated performance. Cross-reference the datasheet revision date to ensure compatibility with current design specifications.
Select this component when a fixed 1.225V reference is required in space-constrained designs. The SC-70 package offers a small footprint suitable for portable devices. The B-grade tolerance balances cost and precision for general-purpose applications. Consider the Q-grade variant if higher temperature ratings are needed.
This part belongs to the TL4051 family of micropower shunt references from Texas Instruments. The family includes adjustable versions and various accuracy grades (A, B, C). The TL4051 series is designed to replace older generation references like the LM4051, offering improved performance in smaller packages while maintaining low power consumption for battery-operated systems.
The LM4051DIM3-1.2 is a documented pin-compatible substitute within the same product family.