Vishay Semiconductor Diodes Division
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MMSZ4685-G3-18
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MMSZ4685-G3-18

Introduction

The MMSZ4685-G3-18 is a zener diode that belongs to the category of semiconductor devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Semiconductor Devices
  • Use: Voltage Regulation and Protection
  • Characteristics: Zener Diode, Low Leakage Current, High Stability
  • Package: SOD-123 Package
  • Essence: Voltage Regulation and Transient Voltage Suppression
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage Range: 18V
  • Power Dissipation: 500mW
  • Operating Temperature Range: -65°C to +150°C
  • Zener Impedance: 40Ω
  • Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The MMSZ4685-G3-18 zener diode has a standard SOD-123 package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Voltage Regulation: Provides stable voltage output within specified range
  • Transient Voltage Suppression: Protects circuits from voltage spikes
  • Low Leakage Current: Minimizes power loss in standby mode

Advantages and Disadvantages

Advantages

  • Precise Voltage Regulation
  • Compact SOD-123 Package
  • Low Reverse Leakage Current

Disadvantages

  • Limited Power Dissipation
  • Operating Temperature Range Constraints

Working Principles

The MMSZ4685-G3-18 operates based on the principle of the zener effect, where it maintains a constant voltage across its terminals when reverse-biased within its breakdown voltage range. This allows it to regulate voltage and suppress transient voltage spikes.

Detailed Application Field Plans

The MMSZ4685-G3-18 is suitable for various applications including: - Voltage Regulation in Power Supplies - Overvoltage Protection in Electronic Circuits - Signal Clipping and Limiting

Detailed and Complete Alternative Models

Some alternative models to the MMSZ4685-G3-18 zener diode include: - BZX84C18 - 1N4746A - MM3Z18VT1G

In conclusion, the MMSZ4685-G3-18 zener diode is a reliable semiconductor device with precise voltage regulation and transient voltage suppression capabilities. Its compact package and low leakage current make it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMSZ4685-G3-18 v technických řešeních

  1. What is the MMSZ4685-G3-18?

    • The MMSZ4685-G3-18 is a surface mount zener diode designed for voltage regulation and transient overvoltage protection in various electronic circuits.

  2. What is the voltage rating of the MMSZ4685-G3-18?

    • The MMSZ4685-G3-18 has a nominal voltage rating of 18V, making it suitable for applications requiring voltage clamping or regulation at this level.

  3. What are the typical applications of MMSZ4685-G3-18?

    • Typical applications of the MMSZ4685-G3-18 include voltage regulation in power supplies, transient suppression in communication equipment, and protection in automotive electronics.

  4. What is the maximum power dissipation of MMSZ4685-G3-18?

    • The maximum power dissipation of the MMSZ4685-G3-18 is typically around 500mW, which should be considered when designing circuits using this component.

  5. What is the operating temperature range of MMSZ4685-G3-18?

    • The MMSZ4685-G3-18 is designed to operate within a temperature range of -55°C to 150°C, ensuring its suitability for a wide range of environments.

  6. Is the MMSZ4685-G3-18 RoHS compliant?

    • Yes, the MMSZ4685-G3-18 is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  7. Can the MMSZ4685-G3-18 be used for ESD protection?

    • Yes, the MMSZ4685-G3-18 can be utilized for electrostatic discharge (ESD) protection in sensitive electronic components and interfaces.

  8. What is the package type of MMSZ4685-G3-18?

    • The MMSZ4685-G3-18 comes in a standard SOD-123 surface mount package, allowing for easy integration into circuit board designs.

  9. Does the MMSZ4685-G3-18 require external current limiting resistors?

    • In most applications, the MMSZ4685-G3-18 does not require external current limiting resistors due to its built-in characteristics.

  10. Are there any specific layout considerations for using MMSZ4685-G3-18 in a PCB design?

    • It is recommended to place the MMSZ4685-G3-18 close to the protected circuitry and to ensure proper thermal management to maximize its performance and reliability.