Vishay Semiconductor Diodes Division
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MMBZ5257B-HE3-18
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MMBZ5257B-HE3-18

Product Overview

Category

The MMBZ5257B-HE3-18 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Low leakage current
  • High reliability
  • Precise voltage regulation

Package

The MMBZ5257B-HE3-18 is typically available in a SOT-23 surface mount package.

Essence

This Zener diode is essential for maintaining stable voltage levels in various electronic applications.

Packaging/Quantity

It is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 18V
  • Power Dissipation: 200mW
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 900mV at 200mA

Detailed Pin Configuration

The MMBZ5257B-HE3-18 has three pins: 1. Anode 2. Cathode 3. No Connection (NC)

Functional Features

  • Precise voltage regulation
  • Fast response time
  • Low impedance

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to reverse voltage

Working Principles

The MMBZ5257B-HE3-18 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping applications

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5257B-HE3-18 include: - BZX84C18 - 1N4746A - MM3Z18VT1G

In conclusion, the MMBZ5257B-HE3-18 Zener diode offers precise voltage regulation and finds extensive use in various electronic circuits. Its small form factor and reliable performance make it a popular choice for voltage regulation and transient suppression applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMBZ5257B-HE3-18 v technických řešeních

  1. What is the MMBZ5257B-HE3-18?

    • The MMBZ5257B-HE3-18 is a Zener diode designed for voltage regulation and transient suppression in electronic circuits.

  2. What is the maximum power dissipation of the MMBZ5257B-HE3-18?

    • The maximum power dissipation of the MMBZ5257B-HE3-18 is 200mW.

  3. What is the voltage rating of the MMBZ5257B-HE3-18?

    • The MMBZ5257B-HE3-18 has a voltage rating of 30V.

  4. What are the typical applications of the MMBZ5257B-HE3-18?

    • Typical applications include voltage regulation, overvoltage protection, and transient suppression in various electronic circuits.

  5. What is the forward voltage drop of the MMBZ5257B-HE3-18?

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

  6. What is the reverse leakage current of the MMBZ5257B-HE3-18?

    • The reverse leakage current is typically 100nA at the working voltage.

  7. What is the package type of the MMBZ5257B-HE3-18?

    • The MMBZ5257B-HE3-18 comes in a SOT-23 surface mount package.

  8. What are the storage and operating temperature ranges for the MMBZ5257B-HE3-18?

    • The storage temperature range is -55°C to +150°C, and the operating temperature range is -55°C to +125°C.

  9. Is the MMBZ5257B-HE3-18 RoHS compliant?

    • Yes, the MMBZ5257B-HE3-18 is RoHS compliant.

  10. Can the MMBZ5257B-HE3-18 be used for ESD protection?

    • Yes, it can be used for ESD (electrostatic discharge) protection in electronic circuits.