MMSZ5255A_R1_00001

Single Zener Diodes Overview

The MMSZ5255A_R1_00001 is a surface mount silicon Zener diode manufactured by Panjit International Inc. It belongs to the MMSZ5229A series and features a nominal Zener voltage of 28 V with a tolerance range of 27.44 V to 28.56 V. The device operates within a power dissipation limit of 500 mW at 25°C ambient temperature and utilizes an SOD-123-2 package. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 44 Ohms measured at a test current of 4.5 mA, and a working temperature range from -50°C to +150°C.

Single Zener Diodes Feature Summary

• Planar die construction for stable voltage regulation
• Designed for automated assembly processes
• Compliant with EU RoHS 2.0 standards

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• General purpose rectification

Single Zener Diodes Procurement Notes

Verify component authenticity against official Panjit documentation before integration. Confirm that the specific ordering suffix matches the required packaging format, such as reel or cut tape quantities. Ensure compliance with project-specific material restrictions and environmental certifications prior to final procurement approval.

Single Zener Diodes Selection Notes

Select this component when a precise 28 V regulation point is required in compact designs. The SOD-123 package facilitates space-constrained PCB layouts. Verify that the 500 mW power rating aligns with the thermal management capabilities of the target application environment.

Single Zener Diodes Part Context

This part is a member of the MMSZ5229A series, which covers a broad spectrum of Zener voltages from 4.3 V to 51 V. All devices in this family share identical mechanical dimensions and manufacturing processes, differing primarily in their specific breakdown voltage specifications and associated marking codes.

Single Zener Diodes Replacement Considerations

Cross-reference other manufacturers' SOD-123 Zener diodes rated at 28 V with comparable impedance and leakage characteristics. Verify pinout polarity and physical footprint compatibility before substituting.