1N5533A/TR

Overview

The Microchip Technology 1N5533A/TR is a Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 13 V with a test current of 1 mA. The device operates within a wide temperature range from -65 °C to +175 °C junction temperature. It utilizes the DO-213AA-2 (SMA) surface-mount package and provides a power dissipation rating of 500 mW. The component exhibits a maximum reverse leakage current of 10 nA and a Zener impedance of 90 Ohms at the specified test conditions.

Feature Summary

• Provides stable voltage regulation using a single Zener diode configuration
• Supports high-temperature operation up to 175 °C junction temperature
• Utilizes a compact surface-mount package for automated assembly

Applications

• Voltage reference circuits in precision measurement systems
• Over-voltage protection stages in electronic equipment
• Biasing networks for semiconductor devices

Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation, as historical variants may differ. Ensure the DO-213AA-2 footprint matches the design layout. Cross-reference the exact part number with the latest datasheet to confirm electrical parameters before finalizing procurement specifications.

Selection Notes

Select this component when a 13 V regulation point is required in a surface-mount design. Consider the 500 mW power dissipation limit and thermal management requirements for the operating environment. Verify that the 90 Ohm Zener impedance meets the noise and stability requirements of the application circuit. Ensure the -65 °C to +175 °C temperature range aligns with the system's operational constraints.

Part Context

This component belongs to the standard Zener diode family manufactured by Microchip Technology. It shares functional similarities with other parts in the 1N55xx series but differs in voltage rating and package type. The 1N5533A variant specifically targets the 13 V regulation segment, offering an alternative to through-hole versions for modern PCB layouts requiring space efficiency.

Replacement Considerations

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