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MMSZ5252BT1 from ON,ON Semiconductor

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MMSZ5252BT1

Manufacturer: ON, MOTO

Zener Regulator 24V

Partnumber Manufacturer Quantity Availability
MMSZ5252BT1 ON, MOTO 79324 In Stock

Description and Introduction

Zener Regulator 24V **Introduction to the MMSZ5252BT1 Zener Diode**  

The MMSZ5252BT1 is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the MMSZ series, it offers precise voltage stabilization with a nominal Zener voltage of 5.1V, making it suitable for applications requiring reliable overvoltage protection or reference voltage generation.  

Encased in a compact SOD-123 package, this diode is optimized for space-constrained designs while maintaining efficient thermal performance. Its low leakage current and sharp breakdown characteristics ensure consistent operation across a range of conditions, enhancing circuit reliability.  

Key features include a power dissipation rating of 500mW and a tight tolerance on Zener voltage, which supports stable performance in precision applications. The MMSZ5252BT1 is commonly used in power supplies, voltage clamping circuits, and as a protective component in sensitive electronics to prevent damage from voltage spikes.  

Engineers favor this component for its balance of performance, size, and cost-effectiveness, making it a practical choice for consumer electronics, industrial controls, and automotive systems. When integrated into a design, proper consideration of operating temperature and current limits ensures optimal functionality and longevity.  

In summary, the MMSZ5252BT1 provides a dependable solution for voltage regulation needs, combining efficiency with robust protection in a compact form factor. Its versatility and reliability make it a widely adopted component in modern electronic designs.

Application Scenarios & Design Considerations

Zener Regulator 24V

Alternative Part Number

  • BZT52C24 --: 24V zener in SOD-123 with similar power rating and tolerance, a common drop-in replacement for the MMSZ5252B.
  • 1N4749A --: 24V 1W zener diode offering higher power margin and widely available through-hole/axial option for the same regulation voltage.
  • MMSZ5252B --: Same 24V zener specification in SOD-123 package from an alternate manufacturer, electrically equivalent to the original.
  • 1N5252B --: Axial-lead 24V zener with the same 500mW class rating, suitable where board space allows a leaded part.
  • CZ5252B --: 24V 500mW zener diode offering comparable electrical characteristics as a direct functional substitute.

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