MMBZ5234C-G3-18

Single Zener Diodes Overview

The MMBZ5234C-G3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 6.2 V with a tight tolerance of ±2%. The device is designed for surface mount applications in an SOT-23-3 package, offering a power dissipation rating of 225 mW. Key electrical characteristics include a maximum reverse leakage current of 5 µA at 4 V and a Zener impedance of 7 Ohms. The component operates within a temperature range of -55°C to +150°C.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a ±2% tolerance on the 6.2 V Zener voltage.
• Utilizes a compact SOT-23-3 surface-mount package for efficient board space utilization.
• Ensures low leakage current performance with a maximum specification of 5 µA.
• Supports high-temperature operation up to 150°C for robust environmental reliability.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Over-voltage protection stages in sensitive electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

This specific part number is officially listed as obsolete and no longer manufactured by Vishay. Procurement efforts should focus on verifying the authenticity of remaining stock from authorized distributors or identifying approved substitute components that meet the original electrical specifications. Buyers must confirm availability status directly with suppliers before placing orders.

Single Zener Diodes Selection Notes

Engineers selecting this component should prioritize its ±2% voltage tolerance for precision applications where standard 5% variants are insufficient. The SOT-23-3 footprint requires careful layout consideration for thermal management given the 225 mW power rating. Designers must ensure the operating current remains within limits to maintain the specified Zener impedance and leakage characteristics across the full temperature range.

Single Zener Diodes Part Context

The MMBZ5234C-G3-18 belongs to the MMBZ52xx series of small-signal Zener diodes. This series is characterized by low power consumption and compact packaging suitable for portable electronics. The 'C' suffix typically denotes the tighter ±2% voltage tolerance compared to other series variants. As a discrete semiconductor product, it serves as a fundamental building block for voltage regulation and protection tasks in modern circuit designs.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitutes include BZX84C6V2 TR from Central Semiconductor Corp. Engineers should verify pinout compatibility and thermal performance when transitioning to alternative packages or manufacturers to ensure circuit integrity.