Vishay Semiconductor Diodes Division
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MMSZ5246B-HE3-18
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MMSZ5246B-HE3-18

Product Overview

Category

The MMSZ5246B-HE3-18 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a specific voltage across their terminals.

Use

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

Characteristics

  • Voltage Regulation: The MMSZ5246B-HE3-18 provides stable voltage regulation under specified conditions.
  • Transient Suppression: It effectively suppresses voltage spikes and transients in electronic circuits.
  • Small Package Size: The diode comes in a small package, making it suitable for compact circuit designs.
  • Low Leakage Current: It exhibits low leakage current characteristics, ensuring efficient performance.

Package

The MMSZ5246B-HE3-18 is typically available in surface-mount packages, offering ease of installation on printed circuit boards (PCBs).

Essence

The essence of the MMSZ5246B-HE3-18 lies in its ability to provide reliable voltage regulation and transient suppression in electronic circuits, contributing to overall system stability and protection.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 18V
  • Power Dissipation: 500mW
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 5μA

Detailed Pin Configuration

The MMSZ5246B-HE3-18 typically features a standard SOD-123 surface-mount package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Stable Voltage Regulation: The diode maintains a constant voltage across its terminals, ensuring consistent performance in electronic circuits.
  • Transient Suppression: It effectively clamps transient voltages, protecting sensitive components from damage.
  • Fast Response Time: The diode responds quickly to voltage fluctuations, enhancing system reliability.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Effective transient suppression
  • Compact package size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to excessive current and voltage stresses

Working Principles

The MMSZ5246B-HE3-18 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased at the specified voltage.

Detailed Application Field Plans

The MMSZ5246B-HE3-18 finds extensive application in various electronic systems, including: - Voltage regulators - Power supplies - Signal conditioning circuits - Overvoltage protection modules

Detailed and Complete Alternative Models

Some alternative models to the MMSZ5246B-HE3-18 include: - BZX84C18LT1G - 1N4744A - BZT52C18S-7-F

In conclusion, the MMSZ5246B-HE3-18 Zener diode offers reliable voltage regulation and transient suppression in a compact package, making it suitable for diverse electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MMSZ5246B-HE3-18 en soluciones técnicas

  1. What is the MMSZ5246B-HE3-18?

    • The MMSZ5246B-HE3-18 is a Zener diode designed for voltage regulation and transient suppression in electronic circuits.

  2. What is the voltage rating of the MMSZ5246B-HE3-18?

    • The MMSZ5246B-HE3-18 has a nominal voltage of 18V, making it suitable for applications requiring this level of voltage regulation.

  3. What are the typical applications of the MMSZ5246B-HE3-18?

    • Typical applications include voltage regulation in power supplies, overvoltage protection in electronic systems, and transient suppression in communication equipment.

  4. What is the maximum power dissipation of the MMSZ5246B-HE3-18?

    • The maximum power dissipation is typically 500mW, ensuring reliable performance under normal operating conditions.

  5. What is the operating temperature range of the MMSZ5246B-HE3-18?

    • The MMSZ5246B-HE3-18 is designed to operate within a temperature range of -65°C to +150°C, making it suitable for a wide range of environments.

  6. Is the MMSZ5246B-HE3-18 RoHS compliant?

    • Yes, the MMSZ5246B-HE3-18 is compliant with the Restriction of Hazardous Substances (RoHS) directive, meeting environmental regulations.

  7. Can the MMSZ5246B-HE3-18 be used for reverse polarity protection?

    • Yes, the MMSZ5246B-HE3-18 can be employed for reverse polarity protection in electronic circuits, safeguarding components from damage.

  8. What is the package type of the MMSZ5246B-HE3-18?

    • The MMSZ5246B-HE3-18 is available in a surface mount SOD-123 package, enabling easy integration into circuit designs.

  9. Does the MMSZ5246B-HE3-18 require external current limiting resistors?

    • In most applications, the MMSZ5246B-HE3-18 does not require external current limiting resistors due to its built-in characteristics.

  10. Are there any specific layout considerations when using the MMSZ5246B-HE3-18?

    • It is recommended to minimize trace lengths and keep the Zener diode close to the load to reduce parasitic effects and ensure optimal performance.