MMSZ5254B-7-F

Single Zener Diodes Overview

The MMSZ5254B-7-F is a surface mount Zener diode manufactured by Diodes Incorporated, designed for general-purpose applications. It features a nominal Zener voltage of 27 V with a tolerance range of 25.65 V to 28.35 V at a test current of 5.0 mA. The device supports a maximum power dissipation of 500 mW at an ambient temperature of +25°C and operates within a junction temperature range of -65°C to +150°C. It exhibits a maximum Zener impedance of 41 Ω and a maximum reverse leakage current of 0.1 µA at 21 V. Packaged in the SOD-123 case, it is supplied in tape and reel quantities of 3,000 units.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal breakdown voltage of 27 V.
• Supports automated assembly processes through standardized surface mount packaging.
• Constructed with lead-free terminals and halogen-free green molding compound.

Single Zener Diodes Applications

• General purpose voltage regulation circuits
• Medium current protection applications
• Automated surface mount assembly lines

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the required commercial qualification and standard 3,000-unit tape and reel packaging configuration. Confirm compliance with RoHS directives and ensure the component meets specific environmental requirements regarding halogen and antimony content before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a 27 V reference is required in a compact SOD-123 footprint. Ensure the application circuit can handle the specified 500 mW power dissipation at the expected operating temperature. Verify that the 5% voltage tolerance aligns with the design's precision requirements.

Single Zener Diodes Part Context

This part belongs to the MMSZ5221B-MMSZ5259B series of 500 mW surface mount Zener diodes from Diodes Incorporated. The series covers a wide voltage range from 2.4 V to 39 V, offering various options for different regulation needs while maintaining consistent mechanical dimensions and reliability standards across the family.

Single Zener Diodes Replacement Considerations

Check for MMSZ5254BQ-7-F if automotive AEC-Q101 qualification is required. Other manufacturers may offer equivalent 27 V Zener diodes in SOD-123 packages, but verify electrical parameters and pinout compatibility carefully.