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1N4762AHR1G
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1N4762AHR1G

Product Overview

The 1N4762AHR1G belongs to the category of Zener diodes, which are widely used in electronic circuits for voltage regulation and protection. These diodes exhibit unique characteristics that make them suitable for a variety of applications. The 1N4762AHR1G is typically available in a standard DO-41 package and is commonly used in voltage regulator circuits and surge suppressors.

Basic Information

  • Category: Zener Diode
  • Use: Voltage regulation, surge suppression
  • Characteristics: Sharp breakdown voltage, low reverse leakage current
  • Package: DO-41
  • Essence: Regulating voltage and protecting circuits
  • Packaging/Quantity: Typically available in reels of 2000 units

Specifications

  • Voltage Range: 3.3V to 100V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +175°C
  • Zener Test Current: 20mA

Detailed Pin Configuration

The 1N4762AHR1G Zener diode has two pins, with the cathode identified by a band around one end of the diode. The anode is connected to the other end without a band.

Functional Features

  • Voltage Regulation: The 1N4762AHR1G maintains a constant voltage across its terminals when operated in the reverse-biased direction.
  • Surge Suppression: It can handle transient overvoltage conditions, protecting sensitive components in a circuit.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low reverse leakage current
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway under high power conditions

Working Principles

The 1N4762AHR1G operates based on the principle of the Zener effect, where it exhibits a sharp breakdown voltage when reverse biased. This allows it to regulate voltage and limit the voltage across a circuit.

Detailed Application Field Plans

The 1N4762AHR1G finds extensive use in various applications, including: - Voltage regulators in power supplies - Surge protectors in electronic equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1N4762AHR1G include: - 1N4733A - 1N4744A - BZX55C3V3

In conclusion, the 1N4762AHR1G Zener diode offers precise voltage regulation and surge suppression capabilities, making it a crucial component in many electronic circuits.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1N4762AHR1G i tekniska lösningar

  1. What is the 1N4762AHR1G diode used for?

    • The 1N4762AHR1G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N4762AHR1G diode?

    • The 1N4762AHR1G has a nominal Zener voltage of 39V, making it suitable for applications requiring voltage regulation at or near this value.

  3. What are the typical applications of the 1N4762AHR1G diode?

    • Typical applications include voltage regulation in power supplies, overvoltage protection, and voltage reference circuits.

  4. What is the maximum power dissipation of the 1N4762AHR1G diode?

    • The maximum power dissipation for the 1N4762AHR1G is typically around 1.5W, which should be considered in circuit design to prevent overheating.

  5. Can the 1N4762AHR1G be used for reverse polarity protection?

    • Yes, the 1N4762AHR1G can be used for reverse polarity protection by placing it in series with the power supply input.

  6. What is the temperature coefficient of the 1N4762AHR1G diode?

    • The temperature coefficient is typically around -2mV/°C, which should be taken into account for precision voltage regulation applications.

  7. Is the 1N4762AHR1G suitable for automotive applications?

    • Yes, the 1N4762AHR1G is often used in automotive electronics for voltage regulation and protection due to its reliability and performance.

  8. What is the forward voltage drop of the 1N4762AHR1G diode?

    • The forward voltage drop is relatively low, typically around 1.5V, but it is primarily used in the reverse breakdown region as a Zener diode.

  9. Can multiple 1N4762AHR1G diodes be connected in series or parallel?

    • Yes, multiple 1N4762AHR1G diodes can be connected in series to increase the breakdown voltage or in parallel to share current in high-power applications.

  10. Are there any special considerations for PCB layout when using the 1N4762AHR1G?

    • It's important to ensure proper thermal management and adequate trace widths to handle the current passing through the diode, especially in high-power applications.