Vishay Semiconductor Diodes Division
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BZX84B33-HE3-18
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BZX84B33-HE3-18

Introduction

The BZX84B33-HE3-18 is a semiconductor product belonging to the category of Zener diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, low leakage current, small package size
  • Package: SOT-23 (SMD), Mini-MELF (SOD-80)
  • Essence: Semiconductor device for maintaining a stable voltage across a load
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage: 33V
  • Power Dissipation: 250mW
  • Zener Current: 5mA
  • Operating Temperature Range: -65°C to +150°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The BZX84B33-HE3-18 typically has three pins: cathode, anode, and a no-connect pin. The pinout configuration is as follows: - Cathode (K) - No-connect (NC) - Anode (A)

Functional Features

  • Voltage Regulation: Maintains a constant voltage across the load
  • Overvoltage Protection: Safeguards sensitive components in the circuit from voltage spikes
  • Stability: Provides stable voltage reference for precision applications

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Small package size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The BZX84B33-HE3-18 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The BZX84B33-HE3-18 finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Precision voltage references

Detailed and Complete Alternative Models

Some alternative models to the BZX84B33-HE3-18 include: - BZX84C33-HE3-18 - BZX84B30-HE3-18 - BZX84C30-HE3-18 - BZX84B27-HE3-18 - BZX84C27-HE3-18

In conclusion, the BZX84B33-HE3-18 Zener diode is a crucial component in electronic circuits requiring precise voltage regulation and overvoltage protection. Its compact size and stable characteristics make it suitable for a wide range of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BZX84B33-HE3-18 en soluciones técnicas

  1. What is the BZX84B33-HE3-18?

    • The BZX84B33-HE3-18 is a 33V Zener diode designed for voltage regulation and protection in electronic circuits.

  2. What are the typical applications of BZX84B33-HE3-18?

    • It is commonly used for voltage reference, voltage clamping, and surge suppression in various technical solutions.

  3. What is the maximum power dissipation of BZX84B33-HE3-18?

    • The maximum power dissipation is typically around 300mW.

  4. What is the voltage tolerance of BZX84B33-HE3-18?

    • The voltage tolerance is approximately ±5%.

  5. What is the operating temperature range for BZX84B33-HE3-18?

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

  6. Can BZX84B33-HE3-18 be used for voltage regulation in low-power applications?

    • Yes, it is suitable for voltage regulation in low-power applications due to its low power dissipation.

  7. How does BZX84B33-HE3-18 provide overvoltage protection?

    • It conducts current when the voltage across it exceeds the specified breakdown voltage, effectively clamping the voltage and protecting downstream components.

  8. Is BZX84B33-HE3-18 suitable for precision voltage references?

    • While it can be used for general voltage references, it may not be suitable for precision applications due to its voltage tolerance.

  9. What are the package options available for BZX84B33-HE3-18?

    • The BZX84B33-HE3-18 is commonly available in SOT-23 surface mount packages.

  10. Can BZX84B33-HE3-18 be used in automotive electronics?

    • Yes, it can be used in automotive electronics, provided it meets the necessary automotive standards and requirements.