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MMSZ4685T1G from ON,ON Semiconductor

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MMSZ4685T1G

Manufacturer: ON, ON-SEMI

Zener Voltage Regulators 500 mW SOD−123 Surface Mount

Partnumber Manufacturer Quantity Availability
MMSZ4685T1G ON, ON-SEMI 120000 In Stock

Description and Introduction

Zener Voltage Regulators 500 mW SOD−123 Surface Mount # Introduction to the MMSZ4685T1G Zener Diode  

The **MMSZ4685T1G** 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 clamping, making it suitable for applications requiring stable reference voltages or transient suppression.  

This component features a **6.8V nominal Zener voltage** with a tight tolerance, ensuring reliable performance in power management and signal conditioning circuits. Its **small SOD-123 package** allows for efficient PCB space utilization, making it ideal for compact and high-density designs.  

Key characteristics of the MMSZ4685T1G include:  
- **Low leakage current** for improved efficiency.  
- **High power dissipation** (up to 500mW) for robust operation.  
- **Fast response time**, enhancing protection against voltage spikes.  

Common applications include:  
- **Voltage regulation** in power supplies.  
- **ESD and transient voltage protection** for sensitive ICs.  
- **Signal clamping** in communication circuits.  

Engineers favor the MMSZ4685T1G for its reliability, compact form factor, and consistent performance across a wide temperature range. Whether used in consumer electronics, automotive systems, or industrial controls, this Zener diode provides an effective solution for maintaining circuit stability and safeguarding components from overvoltage conditions.  

For detailed specifications, always refer to 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

  • BZT52C6V2 --: 6.2V zener in SOD-123 package, same 500mW class as the MMSZ4685T1G, widely available and pin-compatible.
  • 1N4735A --: 6.2V 1W zener in DO-41 axial package, a robust through-hole substitute when board space allows and a very common industry standard.
  • MMSZ5234B --: 6.2V zener in SOD-123 surface-mount package with similar power rating, offering a direct SMD drop-in option from a different series.
  • BZT52C4V3 --: 4.3V zener in SOD-123 with similar power rating, widely available and pin-compatible replacement.
  • MMSZ4685 --: Same 4.3V zener voltage and SOD-123 package from an alternate vendor, drop-in compatible.
  • 1N4685 --: Axial-lead 4.3V zener with equivalent electrical characteristics, usable where leaded package is acceptable.

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