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MMSZ3V9T1G from ON,ON Semiconductor

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MMSZ3V9T1G

Manufacturer: ON

Zener Voltage Regulators 500 mW SOD?123 Surface Mount

Partnumber Manufacturer Quantity Availability
MMSZ3V9T1G ON 30000 In Stock

Description and Introduction

Zener Voltage Regulators 500 mW SOD?123 Surface Mount # Introduction to the MMSZ3V9T1G Zener Diode  

The **MMSZ3V9T1G** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the **SOD-123** package family, it offers a compact footprint, making it suitable for space-constrained applications such as portable devices, power supplies, and communication systems.  

This diode features a **3.9V nominal Zener voltage (Vz)** with a tight tolerance, ensuring stable voltage clamping. It operates with a **maximum power dissipation of 500mW**, providing reliable overvoltage protection for sensitive components. The MMSZ3V9T1G exhibits low leakage current in reverse bias, enhancing efficiency in low-power circuits.  

Key characteristics include:  
- **Zener Voltage (Vz):** 3.9V (typical)  
- **Power Dissipation (Pd):** 500mW  
- **Package Type:** SOD-123 (small outline diode)  
- **Operating Temperature Range:** -65°C to +150°C  

Common applications include voltage reference circuits, transient suppression, and signal clamping. Its fast response time makes it effective in protecting ICs from voltage spikes. Engineers favor the MMSZ3V9T1G for its balance of performance, size, and cost-effectiveness.  

For optimal performance, designers should consider thermal management and ensure proper current limiting when integrating this diode into circuits. Its reliability and industry-standard specifications make it a preferred choice for precision voltage regulation.

Application Scenarios & Design Considerations

Zener Voltage Regulators 500 mW SOD?123 Surface Mount

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