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BZX84-B9V1/LF1R
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BZX84-B9V1/LF1R - Diode Encyclopedia Entry

Introduction

The BZX84-B9V1/LF1R is a diode belonging to the category of voltage regulator 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: Voltage Regulator Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Low forward voltage drop, high current capability, small package size
  • Package: SOT-23 (SMD)
  • Essence: Provides stable voltage output and protects circuits from voltage spikes
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Voltage Rating: 9.1V
  • Maximum Forward Current: 200mA
  • Power Dissipation: 350mW
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84-B9V1/LF1R has three pins: Anode, Cathode, and Gate. The anode is connected to the positive terminal, the cathode to the negative terminal, and the gate acts as the control terminal.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across the diode
  • Overvoltage Protection: Safeguards connected components from excessive voltage
  • Reverse Polarity Protection: Prevents damage due to reverse polarity connection

Advantages and Disadvantages

Advantages

  • Small package size
  • High current capability
  • Low forward voltage drop

Disadvantages

  • Limited voltage regulation range
  • Susceptible to thermal runaway at high currents

Working Principles

The BZX84-B9V1/LF1R operates based on the principle of Zener breakdown. When the voltage across the diode reaches its breakdown voltage, it starts conducting, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

The BZX84-B9V1/LF1R finds applications in various electronic circuits, including: - Voltage regulators in power supplies - Overvoltage protection in sensor circuits - Reverse polarity protection in battery-powered devices

Detailed and Complete Alternative Models

  • BZX84-C5V1: 5.1V voltage regulator diode
  • BZX84-A6V8: 6.8V voltage regulator diode
  • BZX84-D12: 12V voltage regulator diode

In conclusion, the BZX84-B9V1/LF1R is a versatile voltage regulator diode with applications in diverse electronic circuits. Its compact size, high current capability, and voltage regulation features make it a valuable component in modern electronics.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BZX84-B9V1/LF1R i tekniska lösningar

  1. What is the BZX84-B9V1/LF1R?

    • The BZX84-B9V1/LF1R is a 9.1V Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What are the typical applications of the BZX84-B9V1/LF1R?

    • It is commonly used in voltage reference, voltage clamping, and voltage regulation circuits in electronic devices.

  3. What is the maximum power dissipation of the BZX84-B9V1/LF1R?

    • The maximum power dissipation is typically around 250mW.

  4. What is the voltage tolerance of the BZX84-B9V1/LF1R?

    • The voltage tolerance is typically ±5%.

  5. What is the maximum reverse leakage current of the BZX84-B9V1/LF1R?

    • The maximum reverse leakage current is typically very low, around a few microamperes.

  6. Can the BZX84-B9V1/LF1R be used for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.

  7. What is the temperature coefficient of the BZX84-B9V1/LF1R?

    • The temperature coefficient is typically around 0.07%/°C.

  8. Is the BZX84-B9V1/LF1R suitable for low-power applications?

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

  9. What is the package type of the BZX84-B9V1/LF1R?

    • The BZX84-B9V1/LF1R is typically available in a small SOT-23 surface-mount package.

  10. Are there any specific layout considerations when using the BZX84-B9V1/LF1R?

    • It is important to minimize trace lengths and keep the Zener diode close to the components it is protecting to minimize parasitic effects and ensure proper performance.