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MMBZ5221BLT1G from ON/LRC,ON Semiconductor

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MMBZ5221BLT1G

Manufacturer: ON/LRC, ON

Zener Voltage Regulators 225 mW SOT-23 Surface Mount

Partnumber Manufacturer Quantity Availability
MMBZ5221BLT1G ON/LRC, ON 282650 In Stock

Description and Introduction

Zener Voltage Regulators 225 mW SOT-23 Surface Mount # Introduction to the MMBZ5221BLT1G Zener Diode  

The **MMBZ5221BLT1G** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. Part of the **SOD-123** package family, this component offers a compact footprint, making it suitable for space-constrained applications such as portable devices, power supplies, and communication systems.  

With a **5.6V nominal Zener voltage (Vz)** and a tolerance of **±5%**, the MMBZ5221BLT1G provides reliable voltage clamping and stabilization. It features a **500mW power dissipation rating**, ensuring robust performance in low-power circuits. The diode operates efficiently within a **temperature range of -55°C to +150°C**, making it suitable for various environmental conditions.  

Key characteristics include a **low dynamic impedance** and a **sharp breakdown voltage**, which enhance precision in voltage reference applications. Additionally, its fast response time makes it effective for transient voltage suppression (TVS) in protecting sensitive components from voltage spikes.  

The **MMBZ5221BLT1G** is commonly used in:  
- Voltage regulation in power supplies  
- Overvoltage protection circuits  
- Signal clamping and waveform shaping  
- ESD (electrostatic discharge) protection  

Its **lead-free and RoHS-compliant** construction aligns with modern environmental standards, ensuring compatibility with contemporary manufacturing processes. Engineers and designers favor this component for its reliability, efficiency, and ease of integration into PCB layouts.  

For detailed specifications, always refer to the manufacturer’s datasheet to ensure proper application within circuit designs.

Application Scenarios & Design Considerations

Zener Voltage Regulators 225 mW SOT-23 Surface Mount

Alternative Part Number

  • BZX84C2V4LT1G --: 2.4V zener in the same SOT-23 package with comparable power rating, widely available and a common cross for MMBZ5221B.
  • MMBZ5221B-7-F --: Direct 2.4V SOT-23 zener from a different manufacturer and series prefix, electrically equivalent to the original.
  • BZX84-B2V4,215 --: 2.4V SOT-23 zener with similar tolerance and power rating, from a distinct series and manufacturer for easy identification.
  • MMSZ5221BT1G --: Same 2.4V zener voltage and SOT-23 package from the same manufacturer, differing only in series prefix for easy identification.
  • 1N5221B --: Axial-lead 2.4V zener with equivalent electrical characteristics; suitable where through-hole mounting is acceptable.

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