MMBZ5249B-G3-08

Single Zener Diodes Overview

The MMBZ5249B-G3-08 is a single silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 19 V with a tolerance of ±5%, indicated by the 'B' suffix. The device is designed for surface-mount applications in an SOT-23-3 package, offering a maximum power dissipation of 225 mW. Key electrical characteristics include a Zener impedance of 23 Ohms and a maximum reverse leakage current of 100 nA at 14 V. It operates within a temperature range of -55°C to +150°C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust performance
• Compact SOT-23-3 surface-mount packaging
• Standard ±5% Zener voltage tolerance

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official Vishay documentation to ensure correct tolerance and packaging configuration. Confirm RoHS compliance status and environmental classifications prior to integration. Cross-reference datasheet revisions to validate parameter consistency. Ensure component authenticity through authorized distribution channels.

Single Zener Diodes Selection Notes

Select this component when a 19 V regulation point is required in space-constrained designs. The SOT-23-3 form factor suits high-density PCB layouts. Consider the 225 mW power rating for thermal management requirements. Verify that the ±5% tolerance meets circuit precision needs compared to tighter tolerance alternatives.

Single Zener Diodes Part Context

This part belongs to the MMBZ5249 series of single Zener diodes from Vishay. The series offers various voltage options and tolerance levels, denoted by suffixes such as B for ±5%. These devices are engineered for general-purpose voltage regulation and protection in consumer and industrial electronics.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers for MMBZ5249B-G3-08 were not identified in the provided source material.