UPC1943T-E1-A

Overview

The UPC1943T-E1-A 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 is housed in 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
• Supports wide output voltage adjustment capabilities
• Engineered for surface-mount integration in compact designs

Applications

• Precision measurement systems requiring stable reference voltages
• Data acquisition circuits needing accurate voltage benchmarks
• Power management integrated circuits requiring reliable references

Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm exact electrical characteristics and packaging options. Confirm RoHS compliance status through authorized distributors or manufacturer datasheets prior to procurement. Ensure the selected variant matches the required operating temperature range and package type for the intended application design.

Selection Notes

Select this component when a shunt-type regulator with adjustable output up to 24 V is required. Consider the 2.4% initial accuracy and 30 mA maximum shunt current limits during circuit design. Verify that the SOT-89-3 package fits the board layout constraints and that the operating temperature range meets environmental requirements.

Part Context

This part belongs to the UPC1943T series of shunt precision references from Renesas Electronics. It falls under the PMIC category specifically classified as voltage references. The series is designed to provide stable reference voltages for various analog and mixed-signal applications requiring precise regulation.

Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully before replacing.