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1N4748ATR
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1N4748ATR

Product Overview

Category

The 1N4748ATR belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 22V
  • Power dissipation: 1.0W
  • Operating temperature range: -65°C to +200°C

Package

The 1N4748ATR is available in a DO-41 package.

Essence

This Zener diode is designed to provide a stable reference voltage in electronic circuits.

Packaging/Quantity

It is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 22V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Operating temperature range: -65°C to +200°C

Detailed Pin Configuration

The 1N4748ATR has two pins, with the cathode being shorter than the anode.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High power dissipation capability

Advantages

  • Stable voltage reference
  • Wide operating temperature range
  • Compact and easy to integrate into circuits

Disadvantages

  • Limited voltage options compared to other Zener diodes
  • Sensitive to temperature variations

Working Principles

The 1N4748ATR operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulation circuits, voltage clamping, and overvoltage protection in various electronic devices and systems.

Detailed and Complete Alternative Models

  • 1N4733A: Zener voltage of 5.1V
  • 1N4739A: Zener voltage of 9.1V
  • 1N4750A: Zener voltage of 27V

In conclusion, the 1N4748ATR Zener diode offers precise voltage regulation and finds extensive use in electronic circuits requiring stable voltage references. Its compact size and high power dissipation make it suitable for a wide range of applications, although users should be mindful of its limited voltage options and sensitivity to temperature changes.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4748ATR in technische oplossingen

  1. What is the 1N4748ATR?

    • The 1N4748ATR is a Zener diode with a voltage rating of 22V and a power rating of 1W.

  2. How is the 1N4748ATR used in voltage regulation?

    • The 1N4748ATR can be used to regulate voltage in electronic circuits by maintaining a constant output voltage across its terminals.

  3. What are the typical applications of the 1N4748ATR?

    • Common applications include voltage regulation, overvoltage protection, and as a voltage reference in various electronic devices and circuits.

  4. What is the maximum current that the 1N4748ATR can handle?

    • The 1N4748ATR has a maximum current rating of 100mA.

  5. How does the 1N4748ATR protect against overvoltage?

    • When the input voltage exceeds the Zener voltage of the 1N4748ATR, it conducts and limits the voltage across its terminals, providing overvoltage protection.

  6. Can the 1N4748ATR be used in reverse bias?

    • Yes, the 1N4748ATR can be used in reverse bias for voltage regulation and overvoltage protection applications.

  7. What are the temperature considerations for the 1N4748ATR?

    • The 1N4748ATR operates within a specified temperature range, typically from -65°C to +200°C, ensuring stable performance under varying conditions.

  8. How does the 1N4748ATR compare to other Zener diodes in terms of voltage and power ratings?

    • The 1N4748ATR has a specific voltage rating of 22V and a power rating of 1W, distinguishing it from other Zener diodes with different specifications.

  9. Are there any specific circuit design considerations when using the 1N4748ATR?

    • It's important to consider the current limiting resistor in the circuit to ensure proper operation and prevent excessive current flow through the Zener diode.

  10. Where can I find detailed specifications and application notes for the 1N4748ATR?

    • Detailed specifications and application notes for the 1N4748ATR can be found in the manufacturer's datasheet and application guides, providing comprehensive information for its use in technical solutions.