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1N4757AHR0G

1N4757AHR0G

Product Overview

Category

The 1N4757AHR0G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 43V
  • Power dissipation: 1.3W
  • Package type: Axial leaded
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Package

The 1N4757AHR0G is typically available in a DO-41 package.

Packaging/Quantity

It is usually packaged in reels, tubes, or bulk quantities, depending on the supplier.

Specifications

  • Zener voltage: 43V
  • Power dissipation: 1.3W
  • Maximum forward voltage: 1.1V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4757AHR0G has two pins, with the cathode being connected to the positive side and the anode to the negative side.

Functional Features

  • Provides a constant voltage output when reverse biased.
  • Protects sensitive components from voltage spikes.

Advantages

  • Precise voltage regulation.
  • Compact size.
  • Wide operating temperature range.

Disadvantages

  • Limited power dissipation capability.
  • Sensitive to temperature variations.

Working Principles

When the voltage across the Zener diode reaches its breakdown voltage, it starts conducting in the reverse direction, maintaining a nearly constant voltage drop across it.

Detailed Application Field Plans

The 1N4757AHR0G is widely used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4757AHR0G include: - 1N4749A - BZX55C43 - 1N5226B

This comprehensive entry provides detailed information about the 1N4757AHR0G, covering its basic characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1N4757AHR0G i tekniska lösningar

  1. What is the 1N4757AHR0G diode used for?

    • The 1N4757AHR0G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
  2. What is the maximum power dissipation of the 1N4757AHR0G?

    • The maximum power dissipation of the 1N4757AHR0G is 1.3 watts.
  3. What is the voltage rating of the 1N4757AHR0G?

    • The 1N4757AHR0G has a nominal voltage rating of 43 volts.
  4. How does the 1N4757AHR0G regulate voltage?

    • The 1N4757AHR0G regulates voltage by maintaining a constant output voltage across its terminals, even when the input voltage varies.
  5. Can the 1N4757AHR0G be used for overvoltage protection?

    • Yes, the 1N4757AHR0G can be used for overvoltage protection by shunting excess voltage to ground once the breakdown voltage is reached.
  6. What are the typical applications of the 1N4757AHR0G?

    • Typical applications include voltage regulation in power supplies, overvoltage protection in circuits, and voltage reference in instrumentation.
  7. What is the operating temperature range of the 1N4757AHR0G?

    • The 1N4757AHR0G operates within a temperature range of -65°C to +175°C.
  8. Is the 1N4757AHR0G suitable for automotive applications?

    • Yes, the 1N4757AHR0G is suitable for automotive applications due to its rugged construction and wide temperature range.
  9. Does the 1N4757AHR0G require a heatsink for operation?

    • It depends on the application and the power dissipation. In high-power applications, a heatsink may be necessary to dissipate heat effectively.
  10. Can multiple 1N4757AHR0G diodes be connected in series or parallel?

    • Multiple 1N4757AHR0G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity. However, proper consideration should be given to matching characteristics and thermal management.