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MMSZ5239BS from DIODES

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MMSZ5239BS

Manufacturer: DIODES, ZXV

SURFACE MOUNT ZENER DIODE VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 200 mWatts

Partnumber Manufacturer Quantity Availability
MMSZ5239BS DIODES, ZXV 4350 In Stock

Description and Introduction

SURFACE MOUNT ZENER DIODE VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 200 mWatts **Introduction to the MMSZ5239BS Zener Diode**  

The MMSZ5239BS 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, making it suitable for applications requiring reliable clamping or reference voltage generation.  

Constructed in a compact SOD-123 package, the MMSZ5239BS is ideal for space-constrained designs while maintaining robust performance. Its low leakage current and sharp breakdown characteristics ensure efficient operation in reverse-bias conditions. With a power dissipation rating of 500mW, it provides sufficient handling capacity for low-power circuits such as voltage regulators, signal conditioning, and transient suppression.  

Key features include a tight tolerance on Zener voltage, ensuring consistency in voltage regulation, and a fast response time, which enhances protection against voltage spikes. The diode’s small footprint and compatibility with automated assembly processes make it a practical choice for modern PCB designs.  

Common applications include power supply stabilization, overvoltage protection in communication devices, and voltage reference circuits in consumer electronics. Engineers favor the MMSZ5239BS for its reliability, efficiency, and ease of integration into various electronic systems.  

When selecting a Zener diode for precision voltage control, the MMSZ5239BS stands out as a dependable solution for both industrial and commercial applications.

Application Scenarios & Design Considerations

SURFACE MOUNT ZENER DIODE VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 200 mWatts

Alternative Part Number

  • BZT52C9V1 --: 9.1V zener in the SOD-123 package with similar power rating; a common drop-in replacement for the MMSZ5239BS.
  • 1N4739A --: 9.1V, 1W axial-lead zener that provides the same nominal voltage and adequate power margin for most through-hole substitutions.
  • MMSZ5239B --: Same 9.1V zener voltage in SOD-123 from an alternate manufacturer, offering a direct electrical and footprint match.

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