1N5529A

Overview

The Microchip Technology 1N5529A is a single axial-lead Zener diode housed in the DO-35 (DO-204AH) package. It provides a nominal Zener voltage of 75 V with a power dissipation rating of 500 mW. The device features a voltage tolerance of ±10% and a maximum reverse leakage current of 1 µA at 900 mV. Operating temperatures range from -65°C to +200°C, with a test current of 2.1 mA and a Zener impedance of 1.8 kΩ.

Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics
• Supports high thermal operation up to 200°C junction temperature
• Utilizes through-hole axial mounting for robust mechanical integration

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications within signal processing paths

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number against official Microchip Technology documentation. Confirm that the physical marking on the diode body matches the specified model identifier. Ensure the package type corresponds to the standard DO-35 axial lead configuration before finalizing procurement decisions.

Selection Notes

Select this component when a 75 V regulation point is required within a 500 mW power budget. The wide operating temperature range makes it suitable for demanding environments. Verify that the ±10% tolerance aligns with circuit precision requirements and that the axial form factor fits the available board space.

Part Context

This component belongs to the standard 1N series of Zener diodes manufactured by Microchip Technology. These devices are widely utilized in discrete semiconductor applications where reliable voltage regulation is essential. The specific model represents a fixed-voltage variant designed for general-purpose electronic circuitry.

Replacement Considerations

Consult official Microchip Technology substitution guides for verified equivalent part numbers. Ensure any replacement maintains identical voltage ratings, power dissipation limits, and package dimensions to guarantee functional compatibility.