MTZJT-7227B

Single Zener Diodes Overview

The MTZJT-7227B is a single Zener diode manufactured by ROHM Semiconductor, designed for voltage regulation and circuit protection applications. It features a nominal Zener voltage of 27 V with a tight tolerance of ±3%. The device is rated for a maximum power dissipation of 500 mW and operates within an extended temperature range from -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 200 nA and a Zener impedance of 45 Ohms at a test current of 5 mA. It is housed in a DO-34 (DO-204AG) axial through-hole package, suitable for robust mounting requirements.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a 27 V nominal breakdown voltage and ±3% tolerance
• Capable of handling up to 500 mW power dissipation for stable operation under load
• Engineered for high-temperature environments with an operating range extending to +175°C
• Features low reverse leakage current of 200 nA to minimize standby power loss

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Over-voltage protection stages in electronic systems
• Clamping applications in signal processing paths
• Biasing networks for transistor amplifiers

Single Zener Diodes Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm package compatibility with existing PCB footprints. Check for obsolescence status as the part may be discontinued. Ensure thermal management meets the 500 mW dissipation limit. Validate that the 27 V rating matches system design requirements.

Single Zener Diodes Selection Notes

Select this component when a through-hole axial Zener diode is required for high-temperature stability. The 27 V nominal voltage and ±3% tolerance suit precision regulation tasks. Consider the 500 mW power rating for moderate current loads. The DO-34 package offers mechanical robustness for industrial environments. Compare leakage and impedance specs against alternative series for optimal performance.

Single Zener Diodes Part Context

This component belongs to the MTZ J series of single Zener diodes from ROHM Semiconductor. The series is characterized by axial leaded packages and high-temperature capability. The MTZJT-7227B specifically targets applications needing reliable voltage clamping in harsh conditions. Its design emphasizes low leakage and tight voltage tolerance for consistent circuit behavior.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference availability through official manufacturer channels or authorized distributors before substitution.