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MMSZ5234BT1 from ON,ON Semiconductor

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MMSZ5234BT1

Manufacturer: ON, MOTO, MOT

Plastic surface mount zener diode 500 milliwatts

Partnumber Manufacturer Quantity Availability
MMSZ5234BT1 ON, MOTO, MOT 90503 In Stock

Description and Introduction

Plastic surface mount zener diode 500 milliwatts **Introduction to the MMSZ5234BT1 Zener Diode**  

The MMSZ5234BT1 is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the SOD-123 package family, it offers a compact footprint, making it suitable for space-constrained applications such as consumer electronics, automotive systems, and industrial controls.  

This component features a nominal Zener voltage of 5.6V with a tolerance of ±5%, ensuring stable voltage clamping for precision applications. With a power dissipation rating of 500mW, it provides reliable performance in low-power circuits while maintaining efficient thermal characteristics. The MMSZ5234BT1 exhibits low leakage current and sharp breakdown characteristics, making it ideal for overvoltage protection, voltage reference, and signal conditioning tasks.  

Key specifications include a maximum reverse leakage current of 5µA and a dynamic impedance of 10Ω, contributing to consistent regulation under varying load conditions. Its lead-free and RoHS-compliant construction aligns with modern environmental standards.  

Engineers often integrate the MMSZ5234BT1 into power supplies, voltage regulators, and transient suppression circuits due to its robustness and repeatable performance. When selecting this diode, designers should consider operating temperature ranges (-65°C to +150°C) and ensure proper heat dissipation in high-reliability applications.  

Overall, the MMSZ5234BT1 combines precision, compactness, and efficiency, making it a versatile choice for maintaining voltage stability in modern electronic designs.

Application Scenarios & Design Considerations

Plastic surface mount zener diode 500 milliwatts

Alternative Part Number

  • BZT52C6V2 --: 6.2V zener in SOD-123 with similar tolerance and power rating, widely available and pin-compatible.
  • MMSZ5234B --: Same 6.2V zener specification from a different manufacturer, direct functional equivalent in SOD-123.
  • 1N5234B --: Axial-lead 6.2V zener with equivalent electrical characteristics; usable where leaded package fits.
  • DDZ6V2B --: SOD-123 6.2V zener with tight tolerance, suitable surface-mount substitute for the MMSZ5234BT1.
  • 1N4735A --: 6.2V 1W zener in DO-41 axial package, electrically equivalent and a common through-hole substitute.

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