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MM3Z18VST1G
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MM3Z18VST1G

Product Overview

Category

The MM3Z18VST1G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Low leakage current
  • High reliability
  • Small package size

Package

The MM3Z18VST1G is available in a SOD-323 package.

Essence

This Zener diode is essential for maintaining a constant voltage across a load in a circuit.

Packaging/Quantity

The MM3Z18VST1G is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 18V
  • Power Dissipation: 200mW
  • Zener Current: 5mA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The MM3Z18VST1G has three pins, with the cathode connected to the ground and the anode connected to the input voltage. The third pin is not connected and is left floating.

Functional Features

  • Voltage regulation
  • Overvoltage protection
  • Stability in varying temperature conditions

Advantages

  • Small form factor
  • Precise voltage regulation
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to reverse voltage

Working Principles

The MM3Z18VST1G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The MM3Z18VST1G is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping applications

Detailed and Complete Alternative Models

Some alternative models to MM3Z18VST1G include: - BZX84C18 - 1N4746A - MMSZ18T1G

In conclusion, the MM3Z18VST1G Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for various electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de MM3Z18VST1G dans les solutions techniques

  1. What is the MM3Z18VST1G?

    • The MM3Z18VST1G is a Zener diode with a voltage of 18V and a power dissipation of 200mW.

  2. What are the typical applications of MM3Z18VST1G?

    • It is commonly used in voltage regulation, overvoltage protection, and signal clamping applications.

  3. What is the maximum current that MM3Z18VST1G can handle?

    • The maximum current for MM3Z18VST1G is typically around 20mA.

  4. How does MM3Z18VST1G provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (18V), it conducts and limits the voltage to protect the circuit.

  5. Can MM3Z18VST1G be used in reverse bias?

    • Yes, it can be used in reverse bias as a voltage reference or as a protection device against negative voltage spikes.

  6. What is the temperature range for MM3Z18VST1G?

    • The operating temperature range is typically from -65°C to 150°C.

  7. Is MM3Z18VST1G suitable for high-frequency applications?

    • Yes, it is suitable for high-frequency applications due to its fast response time and low capacitance.

  8. Does MM3Z18VST1G require any external components for operation?

    • It can be used standalone but may require a series resistor for current limiting in some applications.

  9. What are the package options available for MM3Z18VST1G?

    • The MM3Z18VST1G is available in various surface mount packages such as SOD-323 and SOD-523.

  10. Are there any alternatives to MM3Z18VST1G for similar applications?

    • Yes, other Zener diodes with different breakdown voltages and power ratings can be considered based on specific application requirements.