1N5527A

Overview

The Microchip Technology 1N5527A is a single Zener diode voltage regulator designed for through-hole mounting in the DO-35 axial package. It provides a nominal Zener voltage of 7.5 V with a tolerance of ±10%. The device supports a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 500 nA at 6 V, a Zener impedance of 35 Ohms, and a forward voltage of 1.1 V at 200 mA.

Feature Summary

• Provides stable voltage regulation via Zener breakdown mechanism
• Capable of handling 500 mW power dissipation in compact axial form factor
• Engineered for reliable operation across extended industrial temperature ranges

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications for signal line safeguarding

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Microchip Technology documentation. Confirm that the physical package matches the specified DO-35 axial configuration and that the marking aligns with the 7.5 V Zener rating. Ensure compliance with required environmental standards and check for any specific handling precautions outlined in the datasheet before integration into production.

Selection Notes

Select this component when a 7.5 V regulation point is required with moderate power handling capabilities. The DO-35 package suits designs needing through-hole assembly. Consider the 10% voltage tolerance and 35 Ohm impedance for circuit stability requirements. Evaluate thermal management needs against the 500 mW dissipation limit and ensure the operating environment stays within the specified temperature boundaries.

Part Context

This component belongs to the standard Zener diode category manufactured by Microchip Technology. It serves as a fundamental passive semiconductor device used for maintaining constant voltage levels in various electronic assemblies. The DO-35 package is a widely recognized industry standard for small-signal diodes, facilitating easy integration into printed circuit boards using conventional through-hole manufacturing techniques.

Replacement Considerations

Consult official Microchip Technology substitution guides or equivalent manufacturer datasheets for verified compatible replacements. Ensure any substitute maintains identical voltage ratings, power dissipation limits, and package dimensions to guarantee functional equivalence without redesigning the host circuit.