1N5242

Single Zener Diodes Overview

The Microchip Technology 1N5242 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 12 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C TJ. Key electrical characteristics include a maximum Zener impedance of 30 Ohms and a reverse leakage current of 1 µA at 9.1 V. The forward voltage is specified as 1.1 V at 200 mA. This component is available in surface mount DO-213AA and through-hole DO-204AH packages, ensuring versatility in circuit design.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 12 V Zener breakdown.
• Supports high-temperature operation up to 175°C junction temperature.
• Offers low reverse leakage current for efficient standby performance.
• Available in both surface mount and through-hole package configurations.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise 12 V levels.
• Overvoltage protection stages in electronic systems.
• General-purpose voltage regulation in industrial equipment.

Single Zener Diodes Procurement Notes

Verify the specific suffix (e.g., BUR-1, B-TAP) to confirm the exact package type and manufacturer variant, as the base part number covers multiple physical forms. Confirm RoHS compliance status, as some variants may differ. Check for active production status and lead times directly with authorized distributors or the manufacturer before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a 12 V regulation point is required with moderate power handling capabilities. Ensure the chosen package variant matches the PCB layout constraints, whether surface mount or through-hole. Verify that the operating environment stays within the specified -65°C to +175°C junction temperature range to maintain reliability and performance specifications.

Single Zener Diodes Part Context

This component belongs to the standard 1N52xx series of Zener diodes, widely used for basic voltage regulation tasks. The 1N5242 specifically targets the 12 V segment of this family. Microchip Technology manufactures these devices using established semiconductor processes to ensure consistent electrical parameters across production batches.

Single Zener Diodes Replacement Considerations

Direct substitutes include Vishay's 1N5242B and Central Semiconductor's 1N759A. These alternatives share similar 12 V Zener voltage and 500 mW power ratings. Verify package compatibility and tolerance requirements before substitution.