1N3533A

Single Zener Diodes Overview

The 1N3533A is a Zener voltage regulator diode manufactured by Microchip Technology. It features a nominal Zener voltage of 43 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and a maximum Zener impedance of 130 Ohms. It operates within a temperature range of -65°C to +175°C. The component utilizes a DO-35 axial through-hole package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 43 V level
• Capable of handling up to 500 mW of power dissipation
• Designed for operation in extreme temperatures from -65°C to +175°C

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Biasing networks

Single Zener Diodes Procurement Notes

Verify the specific manufacturer documentation for the 1N3533A to confirm current production status and compliance details. Ensure that the required Zener voltage tolerance and power dissipation ratings align with the design specifications before procurement. Cross-reference the DO-35 package dimensions with the target PCB layout to ensure mechanical compatibility.

Single Zener Diodes Selection Notes

Select this component when a precise 43 V reference is needed in a through-hole application. Consider the 130 Ohm impedance value for dynamic regulation requirements. Evaluate the thermal environment to ensure the junction temperature remains within the specified -65°C to +175°C range during operation.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It is designed for general-purpose voltage regulation tasks where axial mounting is preferred. The DO-35 package offers a compact form factor suitable for various electronic assemblies requiring reliable voltage clamping or referencing.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify that any alternative part matches the 43 V Zener voltage, 500 mW power rating, and DO-35 package constraints.