1N5239

Single Zener Diodes Overview

The Microchip Technology 1N5239 is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 9.1 V with a power dissipation rating of 500 mW. The device operates within a temperature range of -65 °C to +175 °C junction temperature and utilizes the DO-204AH (DO-35) axial through-hole package. Key electrical characteristics include a maximum reverse leakage current of 3 µA at 7 V, a Zener impedance of 10 Ohms, and a forward voltage of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single Zener configuration
• Capable of operation in high-temperature environments up to 175 °C
• Features low reverse leakage current for efficient standby performance

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• General-purpose voltage regulation

Single Zener Diodes Procurement Notes

Verify the specific tolerance suffix required for the application, as standard variants like 1N5239B offer ±5% while others may differ. Confirm the packaging format, such as reel or bulk, matches the assembly line requirements. Ensure compliance with RoHS directives if applicable to the target market. Cross-reference datasheet parameters against circuit design limits before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a fixed 9.1 V reference is needed with moderate power handling capabilities. The DO-204AH package suits through-hole designs requiring robust mechanical mounting. Consider the 10 Ohm impedance for dynamic load variations. Evaluate thermal management needs given the 500 mW dissipation limit and extended temperature range specifications.

Single Zener Diodes Part Context

This part belongs to the 1N52xx series of Zener diodes manufactured by Microchip Technology. These components are widely used in discrete semiconductor applications requiring reliable voltage clamping. The series offers various voltage options and tolerance grades to suit diverse electronic design requirements across industrial and consumer sectors.

Single Zener Diodes Replacement Considerations

Equivalent parts from other manufacturers include Central Semiconductor Corp 1N5239B BK and MCC 1N5239D. Verify pinout compatibility and ensure thermal ratings match the original design constraints before substitution.