Central Semiconductor Corp
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1N4742A BK
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1N4742A BK - Product Overview and Analysis

Introduction

The 1N4742A BK is a semiconductor device belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, low impedance, high reliability
  • Package: Axial leaded package
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage: 12V
  • Power Dissipation: 1.3W
  • Zener Impedance: 10Ω
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4742A BK has an axial leaded package with two leads. The cathode is typically marked with a black band or a similar indicator.

Functional Features

  • Precise Voltage Regulation: The 1N4742A BK maintains a constant voltage across its terminals, making it ideal for voltage regulation applications.
  • Low Impedance: This diode exhibits low impedance, ensuring minimal impact on the circuit it is integrated into.
  • High Reliability: With its stable performance and robust construction, this diode offers high reliability in various electronic applications.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low impedance
  • High reliability
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4742A BK operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate voltage in electronic circuits by diverting excess current when the voltage exceeds its rated value.

Detailed Application Field Plans

The 1N4742A BK finds extensive use in various electronic applications, including: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

  • 1N4732A BK (4.7V)
  • 1N4733A BK (5.1V)
  • 1N4734A BK (5.6V)
  • 1N4735A BK (6.2V)
  • 1N4736A BK (6.8V)

In conclusion, the 1N4742A BK Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and protection. Its unique characteristics and functional features make it an essential part of various electronic devices and systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4742A BK v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4742A BK:

  1. What is the 1N4742A BK?

    • The 1N4742A BK is a 12V Zener diode designed for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4742A BK?

    • The maximum power dissipation of the 1N4742A BK is 1.0W.

  3. What is the voltage tolerance of the 1N4742A BK?

    • The voltage tolerance of the 1N4742A BK is ±5%.

  4. How can I use the 1N4742A BK for voltage regulation?

    • You can use the 1N4742A BK in conjunction with a current-limiting resistor to regulate voltage in a circuit.

  5. What are typical applications of the 1N4742A BK?

    • Typical applications of the 1N4742A BK include voltage regulation, overvoltage protection, and voltage reference in various electronic devices.

  6. What is the maximum forward voltage of the 1N4742A BK?

    • The maximum forward voltage of the 1N4742A BK is 1.2V at 200mA.

  7. Can the 1N4742A BK be used in reverse bias?

    • Yes, the 1N4742A BK can be used in reverse bias for voltage regulation and protection.

  8. What is the temperature coefficient of the 1N4742A BK?

    • The temperature coefficient of the 1N4742A BK is 0.07%/°C.

  9. How do I select the appropriate current-limiting resistor for the 1N4742A BK?

    • You can calculate the current-limiting resistor value using Ohm's law and the desired operating current for the diode.

  10. Where can I find the detailed specifications for the 1N4742A BK?

    • The detailed specifications for the 1N4742A BK can be found in the datasheet provided by the manufacturer or distributor.

I hope these questions and answers are helpful! Let me know if you need further assistance.