Microsemi Corporation
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1N4748CPE3/TR12
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1N4748CPE3/TR12 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation
  • Characteristics: Zener diode, low leakage current, high reliability
  • Package: DO-41
  • Essence: Regulates voltage in electronic circuits
  • Packaging/Quantity: Tape and Reel, 5000 units per reel

Specifications

  • Voltage: 22V
  • Power Dissipation: 1.0W
  • Tolerance: ±5%
  • Operating Temperature: -65°C to +200°C

Detailed Pin Configuration

The 1N4748CPE3/TR12 has two pins, with the cathode connected to the band on the body of the diode.

Functional Features

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

Advantages and Disadvantages

  • Advantages:
    • Precise voltage regulation
    • Low leakage current
    • High reliability
  • Disadvantages:
    • Limited power dissipation capability
    • Tolerance may not be suitable for some applications

Working Principles

The 1N4748CPE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, overvoltage protection, and as a reference element in precision voltage sources.

Detailed and Complete Alternative Models

  • 1N4733A: 5.1V Zener diode
  • 1N4739A: 9.1V Zener diode
  • BZX55C22: 22V Zener diode

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Texniki həllərdə 1N4748CPE3/TR12 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the 1N4748CPE3/TR12 diode used for?

    • The 1N4748CPE3/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4748CPE3/TR12?

    • The maximum power dissipation of the 1N4748CPE3/TR12 is 1.0 Watt.

  3. What is the voltage rating of the 1N4748CPE3/TR12?

    • The 1N4748CPE3/TR12 has a nominal voltage rating of 22V.

  4. How does the 1N4748CPE3/TR12 regulate voltage?

    • The 1N4748CPE3/TR12 operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when it is reverse-biased.

  5. Can the 1N4748CPE3/TR12 be used for overvoltage protection?

    • Yes, the 1N4748CPE3/TR12 can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  6. What are the typical applications of the 1N4748CPE3/TR12?

    • Typical applications include voltage regulation, voltage reference, overvoltage protection, and precision voltage clamping.

  7. What is the temperature coefficient of the 1N4748CPE3/TR12?

    • The temperature coefficient of the 1N4748CPE3/TR12 is typically around +5mV/°C.

  8. What is the maximum forward voltage drop of the 1N4748CPE3/TR12?

    • The maximum forward voltage drop of the 1N4748CPE3/TR12 is 1.5V at 200mA.

  9. Is the 1N4748CPE3/TR12 suitable for high-frequency applications?

    • The 1N4748CPE3/TR12 is not specifically designed for high-frequency applications, but it can still be used in some low-frequency signal conditioning circuits.

  10. What are the key differences between the 1N4748CPE3/TR12 and other Zener diodes?

    • The 1N4748CPE3/TR12 has a specific voltage rating of 22V, a power dissipation of 1.0 Watt, and a tolerance of ±5%. It's important to consider these specifications when comparing it to other Zener diodes.