UPC1943T-E2-AZ

Overview

The UPC1943T-E2-AZ is a shunt precision voltage reference manufactured by Renesas Electronics. It operates in the SOT-89-3 surface-mount package and provides an output voltage range of 1.26 V to 24 V. The device features an initial accuracy of 2.4% and a maximum series VREF input voltage of 1.29 V. It supports a maximum shunt current of 30 mA and functions within a temperature range of -30°C to +85°C.

Feature Summary

• Provides stable shunt regulation for precision voltage referencing applications
• Designed for surface-mount integration via compact SOT-89-3 packaging
• Capable of maintaining specified accuracy across industrial temperature ranges

Applications

• Precision analog circuit biasing
• Voltage monitoring systems
• Data acquisition signal conditioning

Procurement Notes

Verify the specific suffix designation against official documentation, as availability may vary between variants. Confirm RoHS compliance status through the manufacturer's product compliance database prior to procurement. Ensure the selected package matches the intended PCB footprint requirements for reliable surface-mount assembly.

Selection Notes

Select this component when a low-cost shunt reference with moderate accuracy is required. The SOT-89-3 package suits space-constrained designs. Verify that the operating current remains within the 30 mA limit and that the input voltage does not exceed the specified maximum threshold for stable regulation.

Part Context

This part belongs to the UPC1943T series of shunt regulators from Renesas Electronics. The series offers various output voltage options within a single package family, allowing designers to standardize on one footprint while adjusting reference values through different model suffixes for diverse power management needs.

Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements must match the SOT-89-3 package, shunt topology, and electrical limits.