1N3531A

Single Zener Diodes Overview

The Microchip Technology 1N3531A is a Zener voltage regulator diode designed for through-hole mounting in DO-35 axial packages. It features a nominal Zener voltage of 40 V with a tolerance of ±5%. The device supports a maximum DC power dissipation of 500 mW at an ambient temperature of +125°C and operates within a junction and storage temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics
• Capable of handling high thermal stress with extended operating temperature limits
• Constructed for reliable through-hole integration using standard axial leads

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify the specific manufacturer datasheet for the 1N3531A to confirm exact electrical tolerances and thermal ratings before integration. Ensure that the procurement source provides authentic components from authorized channels to guarantee reliability, as specifications may vary between different production batches or legacy documentation versions.

Single Zener Diodes Selection Notes

Select this component when a fixed 40 V reference is required in space-constrained axial layouts. Consider the 500 mW power rating against expected current loads to ensure operation remains within safe thermal limits. Verify compatibility with existing PCB footprints designed for DO-35 housings during the design phase.

Single Zener Diodes Part Context

This part belongs to the 1N35xx series of Zener diodes manufactured by Microchip Technology. These devices are commonly used in general-purpose electronics where discrete voltage regulation is necessary. The series offers various voltage options within a standardized package format, facilitating easy substitution in legacy designs.

Single Zener Diodes Replacement Considerations

Check for direct equivalents such as other 40 V Zener diodes in DO-35 packages from different manufacturers. Ensure substitute parts match the 500 mW power dissipation and ±5% voltage tolerance requirements to maintain circuit performance integrity.