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MMSZ5255BT1G from ON/LRC,ON Semiconductor

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MMSZ5255BT1G

Manufacturer: ON/LRC, ON

Zener Voltage Regulators 500 mW SOD−123 Surface Mount

Partnumber Manufacturer Quantity Availability
MMSZ5255BT1G ON/LRC, ON 150000 In Stock

Description and Introduction

Zener Voltage Regulators 500 mW SOD−123 Surface Mount **Introduction to the MMSZ5255BT1G Zener Diode**  

The MMSZ5255BT1G is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the MMSZ series, it features a compact SOD-123 package, making it suitable for space-constrained applications. With a nominal Zener voltage of 15V and a power dissipation rating of 500mW, this component is ideal for low-power circuits requiring precise voltage clamping.  

Key characteristics of the MMSZ5255BT1G include a tight voltage tolerance, low leakage current, and fast response to transient voltage spikes, ensuring reliable performance in overvoltage protection and voltage reference applications. Its robust construction allows stable operation across a wide temperature range, making it suitable for industrial, automotive, and consumer electronics.  

The diode’s small footprint and compatibility with automated assembly processes enhance its usability in high-volume manufacturing. Additionally, its lead-free and RoHS-compliant design aligns with modern environmental standards.  

Common applications include voltage stabilization in power supplies, transient suppression in communication circuits, and protection for sensitive ICs against electrostatic discharge (ESD). Engineers favor the MMSZ5255BT1G for its balance of performance, reliability, and cost-effectiveness in circuit designs requiring precise voltage control.  

For detailed specifications, consult the manufacturer’s datasheet to ensure proper integration into your design.

Application Scenarios & Design Considerations

Zener Voltage Regulators 500 mW SOD−123 Surface Mount

Alternative Part Number

  • BZT52C28 --: 28V zener in SOD-123 with similar power rating, widely available and a common cross for MMSZ5255B.
  • DDZ28-7 --: 28V SOD-123 zener diode with comparable tolerance and power dissipation, suitable drop-in replacement.
  • MMSZ5255B --: Same 28V zener specification in SOD-123 package from an alternate manufacturer, electrically equivalent.
  • 1N5255B --: Axial-lead 28V zener with the same 500mW rating, suitable when a through-hole equivalent is acceptable.
  • MMBZ5255BLT1G --: Same 28V zener voltage and SOD-123 package from the same vendor, offering identical electrical behavior for drop-in use.

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