Central Semiconductor Corp
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1N4743A BK
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1N4743A BK - Product Overview

Introduction

The 1N4743A BK is a zener diode belonging to the semiconductor category. It is widely used in electronic circuits for voltage regulation and protection due to its unique characteristics.

Basic Information Overview

  • Category: Semiconductor
  • Use: Voltage regulation and protection
  • Characteristics: Zener diode, reverse breakdown voltage of 13V, low impedance, high reliability
  • Package: Axial leaded, DO-41 package
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Reverse Breakdown Voltage: 13V
  • Power Dissipation: 1.0W
  • Operating Temperature Range: -65°C to +200°C
  • Zener Impedance: 5Ω
  • Tolerance: ±5%

Detailed Pin Configuration

The 1N4743A BK zener diode has two leads, with the cathode marked by a band on the body of the diode.

Functional Features

  • Provides stable voltage regulation
  • Protects sensitive components from voltage spikes
  • Low impedance ensures minimal impact on the circuit

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • High reliability
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4743A BK operates based on the principle of the zener effect, where it maintains a constant voltage drop across its terminals when reverse biased.

Detailed Application Field Plans

The 1N4743A BK finds extensive use in various electronic applications, including: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection

Detailed and Complete Alternative Models

Some alternative models to the 1N4743A BK include: - 1N4732A - 1N4733A - 1N4734A - 1N4735A

In conclusion, the 1N4743A BK zener diode is a crucial component in electronic circuits, providing stable voltage regulation and protection. Its unique characteristics make it an essential part of various electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de 1N4743A BK dans les solutions techniques

Sure, here are 10 common questions and answers related to the application of 1N4743A BK:

  1. What is the 1N4743A BK?

    • The 1N4743A BK is a Zener diode with a voltage rating of 13V.

  2. What is the typical application of the 1N4743A BK?

    • It is commonly used as a voltage regulator or voltage reference in electronic circuits.

  3. What is the maximum power dissipation of the 1N4743A BK?

    • The maximum power dissipation is 1.0W.

  4. What is the operating temperature range of the 1N4743A BK?

    • The operating temperature range is -65°C to +200°C.

  5. What is the tolerance of the voltage output for the 1N4743A BK?

    • The tolerance is typically +/- 5%.

  6. Can the 1N4743A BK be used in reverse bias?

    • Yes, it can be used in reverse bias as a voltage protection device.

  7. What is the forward voltage drop of the 1N4743A BK?

    • The forward voltage drop is typically 1.2V at 200mA.

  8. Is the 1N4743A BK suitable for high-frequency applications?

    • It is not recommended for high-frequency applications due to its inherent capacitance.

  9. Can multiple 1N4743A BK diodes be connected in series to achieve higher voltage ratings?

    • Yes, they can be connected in series to achieve higher voltage ratings.

  10. What are some common alternatives to the 1N4743A BK?

    • Some common alternatives include the 1N4733A, 1N4734A, and 1N4744A, which have different voltage ratings.