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MMSZ5259B-7-F from DIODES

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MMSZ5259B-7-F

Manufacturer: DIODES

500mW SURFACE MOUNT ZENER DIODE

Partnumber Manufacturer Quantity Availability
MMSZ5259B-7-F,MMSZ5259B7F DIODES 111000 In Stock

Description and Introduction

500mW SURFACE MOUNT ZENER DIODE # Introduction to the MMSZ5259B-7-F Zener Diode  

The **MMSZ5259B-7-F** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the **MMSZ series**, this component offers precise voltage stabilization with a nominal Zener voltage of **5.6V** and a power dissipation rating of **500mW**. Its compact **SOD-123 package** makes it suitable for space-constrained applications, including consumer electronics, automotive systems, and industrial controls.  

Key features of the MMSZ5259B-7-F include a **low dynamic impedance**, ensuring stable performance under varying load conditions, and a **tight voltage tolerance** for reliable circuit operation. The diode is optimized for **reverse breakdown voltage regulation**, protecting sensitive components from voltage spikes and transients.  

With a **maximum reverse leakage current** of **5µA** at the working voltage, the MMSZ5259B-7-F maintains efficiency while minimizing power loss. Its **fast response time** makes it ideal for transient voltage suppression (TVS) applications.  

Engineers often select this Zener diode for **voltage clamping, reference voltage generation, and overvoltage protection** due to its robust performance and industry-standard reliability. The **lead-free and RoHS-compliant** construction ensures compliance with environmental regulations.  

For designers seeking a dependable **5.6V Zener diode** in a small footprint, the MMSZ5259B-7-F provides a cost-effective solution with consistent performance across a wide temperature range.

Application Scenarios & Design Considerations

500mW SURFACE MOUNT ZENER DIODE

Alternative Part Number

  • BZT52C39-7-F --: Same 39V zener voltage in a comparable SOD-123 package with similar power rating, widely available and pin-compatible.
  • MMSZ5259BS-7-F --: Same 39V zener in a different package variant (SOD-323) from the same family, suitable when board space allows.
  • 1N4755A --: 39V 1W zener diode in DO-41 axial package, a common through-hole alternative when SMD is not required.

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