Vishay Semiconductor Diodes Division
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BZT52B18-HE3-08
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BZT52B18-HE3-08

Introduction

The BZT52B18-HE3-08 is a semiconductor product belonging to the category of Zener diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZT52B18-HE3-08.

Basic Information Overview

  • Category: Zener diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics:
    • Reverse breakdown voltage: 18V
    • Power dissipation: 300mW
    • Operating temperature range: -65°C to +150°C
  • Package: SOD-323
  • Essence: Semiconductor device for voltage regulation
  • Packaging/Quantity: Available in tape and reel packaging with quantities as per customer requirements

Specifications

  • Reverse Breakdown Voltage (Vz): 18V
  • Power Dissipation (Pd): 300mW
  • Operating Temperature Range: -65°C to +150°C
  • Zener Impedance (ZZT): 20Ω
  • Maximum Reverse Leakage Current (IR): 100nA
  • Voltage Tolerance: ±5%

Detailed Pin Configuration

The BZT52B18-HE3-08 Zener diode has a standard SOD-323 package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Precise voltage regulation
  • Protection against voltage spikes
  • Low reverse leakage current
  • Small form factor for space-constrained applications

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Compact size
  • Low reverse leakage current
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Voltage tolerance may not be suitable for highly precise applications

Working Principles

The BZT52B18-HE3-08 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when operated in the reverse breakdown region. This allows it to regulate voltage and protect sensitive components in electronic circuits.

Detailed Application Field Plans

The BZT52B18-HE3-08 is commonly used in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in consumer electronics - Signal clamping in communication systems - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the BZT52B18-HE3-08 include: - BZX84C18 - MMBZ5230B - PZM18NB

In summary, the BZT52B18-HE3-08 Zener diode is a reliable semiconductor device with precise voltage regulation and protection capabilities, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZT52B18-HE3-08 v technických řešeních

  1. What is the BZT52B18-HE3-08?

    • The BZT52B18-HE3-08 is a 18V Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What are the typical applications of BZT52B18-HE3-08?

    • It is commonly used for voltage clamping, voltage regulation, and transient suppression in power supplies, automotive electronics, and industrial control systems.

  3. What is the maximum power dissipation of BZT52B18-HE3-08?

    • The maximum power dissipation is typically around 300mW, making it suitable for low to medium power applications.

  4. What is the forward voltage drop of BZT52B18-HE3-08?

    • The forward voltage drop is typically very low, around 0.9V at a forward current of 20mA.

  5. What is the temperature coefficient of BZT52B18-HE3-08?

    • The temperature coefficient is typically around -2mV/°C, ensuring stable performance over a wide temperature range.

  6. What is the maximum reverse leakage current of BZT52B18-HE3-08?

    • The maximum reverse leakage current is typically very low, around a few microamps at the rated voltage.

  7. Can BZT52B18-HE3-08 be used for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage conditions by shunting excess current away from the protected circuit.

  8. Is BZT52B18-HE3-08 suitable for battery charging applications?

    • Yes, it can be used in battery charging circuits to provide overvoltage protection and voltage regulation.

  9. What is the package type of BZT52B18-HE3-08?

    • It is available in a small surface mount SOD-123 package, making it suitable for compact designs.

  10. What are the key advantages of using BZT52B18-HE3-08 in technical solutions?

    • Some key advantages include its high reliability, precise voltage regulation, low forward voltage drop, and compact form factor, making it ideal for various technical solutions.