Vishay Semiconductor Diodes Division
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MMSZ4711-HE3-18
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MMSZ4711-HE3-18

Product Overview

Category

The MMSZ4711-HE3-18 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 18V
  • Power dissipation: 500mW
  • Package type: SOD-123

Package

The MMSZ4711-HE3-18 is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 18V
  • Power dissipation: 500mW
  • Operating temperature range: -65°C to +150°C
  • Forward voltage: 1.5V
  • Reverse current: 5μA

Detailed Pin Configuration

The MMSZ4711-HE3-18 has three pins: 1. Anode 2. Cathode 3. Not connected (NC)

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Small form factor
  • Low power dissipation

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to thermal runaway at high currents

Working Principles

The MMSZ4711-HE3-18 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The MMSZ4711-HE3-18 is widely used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment requiring stable voltage references

Detailed and Complete Alternative Models

Some alternative models to the MMSZ4711-HE3-18 include: - BZX84C18 - 1N4746A - BZT52C18

In conclusion, the MMSZ4711-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMSZ4711-HE3-18 v technických řešeních

  1. What is the MMSZ4711-HE3-18?

    • The MMSZ4711-HE3-18 is a Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What is the maximum power dissipation of the MMSZ4711-HE3-18?

    • The maximum power dissipation of the MMSZ4711-HE3-18 is 500mW.

  3. What is the voltage rating of the MMSZ4711-HE3-18?

    • The MMSZ4711-HE3-18 has a voltage rating of 15V.

  4. What are the typical applications of the MMSZ4711-HE3-18?

    • Typical applications of the MMSZ4711-HE3-18 include voltage regulation, overvoltage protection, and signal clamping in electronic circuits.

  5. What is the forward voltage drop of the MMSZ4711-HE3-18?

    • The forward voltage drop of the MMSZ4711-HE3-18 is typically around 1V at a specified current.

  6. What is the reverse leakage current of the MMSZ4711-HE3-18?

    • The reverse leakage current of the MMSZ4711-HE3-18 is typically very low, in the range of microamps to nanoamps.

  7. Can the MMSZ4711-HE3-18 be used for ESD protection?

    • Yes, the MMSZ4711-HE3-18 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  8. What is the temperature coefficient of the MMSZ4711-HE3-18?

    • The temperature coefficient of the MMSZ4711-HE3-18 is typically around -2mV/°C.

  9. Is the MMSZ4711-HE3-18 RoHS compliant?

    • Yes, the MMSZ4711-HE3-18 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What is the package type of the MMSZ4711-HE3-18?

    • The MMSZ4711-HE3-18 is available in a SOD-123 surface mount package.