SC431LI5SK.5TRT

Overview

The SC431LI5SK.5TRT is an adjustable shunt voltage reference manufactured by Semtech Corporation, housed in a SOT-23-5 surface-mount package. It features a wide output voltage range from 1.24 V to 20 V and offers an initial accuracy of ±0.5%. The device operates with a cathode current ranging from 100 µA to 100 mA within an industrial temperature range of 0°C to +70°C.

Feature Summary

• Adjustable output voltage capability using external resistors
• High precision with ±0.5% initial accuracy
• Wide operating current range for flexible biasing

Applications

• Linear regulators
• Switching power supplies
• Battery-operated computers
• Instrumentation systems

Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status and specific lot traceability requirements before procurement. Ensure the supplier provides valid documentation matching the Semtech datasheet specifications for quality assurance.

Selection Notes

Select this component when precise voltage referencing is required in compact designs. The SOT-23-5 package suits space-constrained applications. Verify that the 100 mA maximum cathode current meets load requirements and that the 0°C to +70°C temperature range aligns with environmental conditions.

Part Context

This part belongs to the SC431 family of adjustable shunt regulators, serving as a high-performance alternative to standard Zener diodes. It utilizes a trimmed bandgap design to ensure thermal stability across the operating temperature range, providing reliable regulation for sensitive electronic circuits.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.