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MMSZ18ET1G
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MMSZ18ET1G

Introduction

The MMSZ18ET1G is a zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and protection in various electronic circuits. This entry provides an overview of the MMSZ18ET1G, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Semiconductor
  • Use: Voltage regulation and protection
  • Characteristics: Zener diode, low leakage current, high reliability
  • Package: SOD-123
  • Essence: Voltage regulation and transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Zener (Nom) (Vz): 18V
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 12V
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The MMSZ18ET1G zener diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Voltage regulation
  • Transient voltage suppression
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Protection against voltage spikes
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The MMSZ18ET1G operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased within its specified voltage range. This allows it to regulate voltage and protect sensitive components from overvoltage conditions.

Detailed Application Field Plans

The MMSZ18ET1G is widely used in the following applications: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment

Detailed and Complete Alternative Models

Some alternative models to the MMSZ18ET1G include: - BZX84C18 - 1N4746A - MM3Z18VT1G - BZT52C18S

In conclusion, the MMSZ18ET1G zener diode offers precise voltage regulation and transient voltage suppression, making it suitable for various electronic applications. However, its limited power dissipation capability and sensitivity to temperature variations should be considered when selecting it for specific designs.

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Énumérez 10 questions et réponses courantes liées à l'application de MMSZ18ET1G dans les solutions techniques

  1. What is the maximum power dissipation of MMSZ18ET1G?

    • The maximum power dissipation of MMSZ18ET1G is 500mW.

  2. What is the reverse voltage rating of MMSZ18ET1G?

    • The reverse voltage rating of MMSZ18ET1G is 18V.

  3. What is the forward voltage drop of MMSZ18ET1G?

    • The forward voltage drop of MMSZ18ET1G is typically 0.9V at a forward current of 10mA.

  4. What is the operating temperature range of MMSZ18ET1G?

    • The operating temperature range of MMSZ18ET1G is -65°C to 150°C.

  5. Is MMSZ18ET1G RoHS compliant?

    • Yes, MMSZ18ET1G is RoHS compliant.

  6. What is the package type of MMSZ18ET1G?

    • MMSZ18ET1G comes in a SOD-123 package.

  7. Can MMSZ18ET1G be used for overvoltage protection?

    • Yes, MMSZ18ET1G can be used for overvoltage protection due to its Zener diode characteristics.

  8. What are some typical applications of MMSZ18ET1G?

    • Some typical applications of MMSZ18ET1G include voltage regulation, overvoltage protection, and signal clamping.

  9. What is the reverse leakage current of MMSZ18ET1G?

    • The reverse leakage current of MMSZ18ET1G is typically 5µA at the reverse voltage of 12V.

  10. Does MMSZ18ET1G require a heat sink for normal operation?

    • No, MMSZ18ET1G does not require a heat sink for normal operation due to its low power dissipation.