UPC1943T-E1-AZ

Overview

The UPC1943T-E1-AZ is a shunt precision voltage reference manufactured by Renesas Electronics. It operates within an output voltage range of 1.26 V to 24 V and maintains an initial accuracy of 2.4%. The device supports a maximum series input voltage of 1.29 V and handles a maximum shunt current of 30 mA. Designed for surface-mount applications, it utilizes an SOT-89-3 package. The component functions reliably across a temperature range from -30°C to +85°C.

Feature Summary

• Provides stable shunt regulation for precision voltage reference applications
• Utilizes compact SOT-89-3 surface-mount packaging for efficient board space utilization
• Operates effectively across a wide industrial temperature range

Applications

• Precision analog circuitry requiring stable reference voltages
• Data acquisition systems needing accurate voltage benchmarks
• Portable instrumentation utilizing low-power shunt regulators

Procurement Notes

Verify the specific suffix 'AZ' against official Renesas documentation to confirm compliance with RoHS directives and halogen-free status. Ensure the ordering information matches the exact part number UPC1943T-E1-AZ to guarantee correct package type and electrical specifications. Cross-reference datasheet revisions to confirm availability and manufacturing status before finalizing procurement plans.

Selection Notes

Select this component when a shunt regulator topology is required for voltage referencing. The SOT-89-3 package suits designs prioritizing compact footprint over high power dissipation. Verify that the system's maximum shunt current does not exceed 30 mA and that the operating environment remains within the specified -30°C to +85°C thermal limits for reliable performance.

Part Context

This component belongs to the UPC1943T series of shunt precision references from Renesas Electronics. These devices are categorized under PMIC voltage references. The series is designed to provide stable reference voltages in compact packages suitable for modern electronic designs requiring precise voltage regulation without complex external components.

Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Do not assume cross-compatibility with other shunt regulators based on similar pinouts or voltage ranges without explicit manufacturer confirmation.