Central Semiconductor Corp
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
1N4746A BK
Zobrazit detail DataSheets

1N4746A BK - Product Overview

Introduction

The 1N4746A 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 in electronic circuits
  • Characteristics: Zener diode, reverse breakdown voltage of 18V, low impedance, high reliability
  • Package: Axial leaded package
  • Essence: Regulating voltage and protecting electronic components
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Reverse Breakdown Voltage: 18V
  • Power Dissipation: 1.0W
  • Operating Temperature Range: -65°C to +200°C
  • Forward Voltage: 1.2V
  • Zener Impedance: 5Ω

Detailed Pin Configuration

The 1N4746A BK has an axial leaded package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Precise voltage regulation
  • Protection against voltage spikes
  • Low impedance
  • High reliability

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Robust protection capability
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capacity
  • Higher cost compared to standard diodes

Working Principles

The 1N4746A BK operates based on the principle of the zener effect. When the voltage across the diode reaches the specified reverse breakdown voltage, it starts conducting in the reverse direction, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

The 1N4746A BK finds extensive use in various electronic applications, including: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4746A BK include: - 1N4734A BK (3.6V) - 1N4739A BK (9.1V) - 1N4750A BK (27V)

In summary, the 1N4746A BK zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection against voltage spikes. Its unique characteristics make it suitable for a wide range of applications, from power supplies to signal clamping circuits.

[Word count: 368]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4746A BK v technických řešeních

  1. What is the 1N4746A BK?

    • The 1N4746A BK is a 1 watt Zener diode with a voltage rating of 18 volts.

  2. What are the typical applications of the 1N4746A BK?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  3. What is the maximum power dissipation of the 1N4746A BK?

    • The maximum power dissipation is 1 watt.

  4. What is the operating temperature range of the 1N4746A BK?

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

  5. What is the forward voltage drop of the 1N4746A BK?

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

  6. What is the reverse leakage current of the 1N4746A BK?

    • The reverse leakage current is typically less than 5µA at the rated voltage.

  7. Can the 1N4746A BK be used for voltage regulation in a power supply circuit?

    • Yes, it can be used as a voltage regulator to maintain a constant output voltage.

  8. How does the 1N4746A BK provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (18V), it conducts heavily, shunting excess current to protect the circuit.

  9. Is the 1N4746A BK suitable for low voltage applications?

    • No, it is designed for medium to high voltage applications due to its 18V rating.

  10. Are there any specific considerations for using the 1N4746A BK in a circuit?

    • It's important to ensure that the maximum current and power dissipation ratings are not exceeded, and to consider thermal management due to its power dissipation characteristics.