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1N4757AUR

1N4757AUR

Product Overview

Category

The 1N4757AUR belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 43V
  • Power dissipation: 1.3W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape & Reel, 5000 per reel

Essence

The 1N4757AUR is an industry-standard Zener diode known for its stable and precise voltage regulation capabilities.

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 1N4757AUR has a standard DO-41 package with two leads. The cathode is denoted by a band on the body of the diode.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High reliability and stability

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Wide operating temperature range
  • High power dissipation capability

Disadvantages

  • Sensitive to temperature variations
  • Limited current handling capacity

Working Principles

The 1N4757AUR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1N4757AUR is widely used in: - Voltage regulators - Power supplies - Voltage reference circuits - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4757AUR include: - 1N4730A - 1N4744A - 1N4761A - BZX85C43

In conclusion, the 1N4757AUR Zener diode is a reliable component known for its precise voltage regulation and wide application in various electronic circuits.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4757AUR in technische oplossingen

  1. What is the 1N4757AUR?

    • The 1N4757AUR is a Zener diode with a voltage rating of 43 volts and a power dissipation of 1 watt.
  2. What are the typical applications of 1N4757AUR?

    • It is commonly used in voltage regulation, surge suppression, and overvoltage protection circuits.
  3. What is the maximum current that 1N4757AUR can handle?

    • The maximum current for 1N4757AUR is typically around 40 mA.
  4. How does 1N4757AUR provide voltage regulation?

    • It operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when the current is within its specified range.
  5. Can 1N4757AUR be used for overvoltage protection?

    • Yes, it can be used to clamp the voltage at a specific level, protecting sensitive components from overvoltage conditions.
  6. What are the key specifications to consider when using 1N4757AUR in a circuit?

    • Key specifications include its voltage rating, power dissipation, and maximum current.
  7. Are there any temperature considerations when using 1N4757AUR?

    • Yes, like most semiconductor devices, the operating temperature range should be considered to ensure proper performance.
  8. Can multiple 1N4757AUR diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capability.
  9. What are the potential failure modes of 1N4757AUR?

    • Common failure modes include thermal runaway, excessive current, and voltage spikes beyond its ratings.
  10. Where can I find detailed application notes for using 1N4757AUR in technical solutions?

    • Detailed application notes can be found in the datasheet provided by the manufacturer or in technical reference manuals for Zener diode applications.