Taiwan Semiconductor Corporation
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1N4741AHR0G
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1N4741AHR0G

Product Overview

Category

The 1N4741AHR0G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Forward Voltage: 1.2V
  • Power Dissipation: 1W
  • Zener Voltage: 13V
  • Operating Temperature: -55°C to +150°C

Package

The 1N4741AHR0G is available in a DO-41 package.

Essence

This Zener diode is designed to provide stable and precise voltage regulation.

Packaging/Quantity

It is typically available in reels or tubes with varying quantities, depending on the supplier.

Specifications

  • Manufacturer: ON Semiconductor
  • Maximum Zener Impedance: 40Ω
  • Reverse Leakage Current: 5μA
  • Mounting Type: Through Hole
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 1N4741AHR0G has two pins, anode (A) and cathode (K), which are identified by the color band on the diode body.

Functional Features

  • Precise Voltage Regulation: The 1N4741AHR0G provides a stable output voltage under varying load conditions.
  • Overvoltage Protection: It helps protect sensitive components in a circuit from voltage spikes.

Advantages

  • High Power Dissipation: With a power dissipation of 1W, it can handle relatively high currents.
  • Wide Operating Temperature Range: It can operate in extreme temperature conditions, making it suitable for various environments.

Disadvantages

  • Limited Voltage Range: The fixed Zener voltage of 13V may not be suitable for all applications requiring voltage regulation.
  • Sensitivity to Temperature: Like all Zener diodes, its characteristics can be affected by temperature variations.

Working Principles

The 1N4741AHR0G operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

Voltage Regulation

The 1N4741AHR0G is widely used in power supplies, voltage regulators, and protection circuits to maintain a stable output voltage.

Voltage Reference

It serves as a stable voltage reference in precision measurement equipment and analog circuits.

Detailed and Complete Alternative Models

  • 1N4733A: Zener Voltage 5.1V, Power Dissipation 1W
  • 1N4748A: Zener Voltage 22V, Power Dissipation 1W
  • BZX85C13: Zener Voltage 13V, Power Dissipation 1.3W

In conclusion, the 1N4741AHR0G Zener diode offers precise voltage regulation and protection features, making it a crucial component in various electronic circuits and systems.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von 1N4741AHR0G in technischen Lösungen auf

  1. What is the 1N4741AHR0G?

    • The 1N4741AHR0G is a Zener diode with a voltage rating of 11 volts and a power rating of 1 watt.

  2. What are the typical applications of the 1N4741AHR0G?

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

  3. What is the maximum current that can flow through the 1N4741AHR0G?

    • The maximum current for the 1N4741AHR0G is typically around 80 mA.

  4. How does the 1N4741AHR0G function in a voltage regulation circuit?

    • In a voltage regulation circuit, the 1N4741AHR0G maintains a constant output voltage by shunting excess current when the input voltage exceeds its rated value.

  5. Can the 1N4741AHR0G be used for reverse polarity protection?

    • Yes, it can be used for reverse polarity protection by placing it in series with the power supply to prevent damage from reverse voltage.

  6. What are the temperature considerations for the 1N4741AHR0G?

    • The 1N4741AHR0G has a specified operating temperature range, typically between -65°C to +200°C.

  7. Is the 1N4741AHR0G suitable for low-power applications?

    • Yes, the 1N4741AHR0G is commonly used in low-power applications due to its 1-watt power rating.

  8. How does the 1N4741AHR0G compare to other Zener diodes in terms of voltage tolerance?

    • The 1N4741AHR0G has a tight voltage tolerance, making it suitable for precision voltage reference applications.

  9. Can multiple 1N4741AHR0G diodes be connected in series or parallel?

    • Yes, multiple 1N4741AHR0G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.

  10. Are there any specific layout considerations when using the 1N4741AHR0G in a circuit?

    • It is important to minimize lead lengths and ensure proper heat dissipation to maximize the performance and reliability of the 1N4741AHR0G in a circuit.