Microsemi Corporation
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1N4749CPE3/TR12
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1N4749CPE3/TR12

Product Overview

Category

The 1N4749CPE3/TR12 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 24V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Forward voltage: 1.2V
  • Reverse current: 5μA

Package

The 1N4749CPE3/TR12 is typically available in a DO-41 package.

Essence

This Zener diode provides stable and precise voltage regulation in various electronic applications.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 24V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Maximum reverse current: 5μA
  • Operating temperature range: -65°C to +200°C
  • Package type: DO-41

Detailed Pin Configuration

The 1N4749CPE3/TR12 has two pins, with the cathode connected to the semiconductor material and the anode connected to the P-type material.

Functional Features

  • Voltage regulation: The Zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage protection: It prevents excessive voltage from damaging sensitive components by diverting excess current.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Cost-effective solution for voltage regulation

Disadvantages

  • Limited power dissipation capability
  • Susceptible to damage from overcurrent conditions

Working Principles

The 1N4749CPE3/TR12 operates based on the Zener effect, where it allows current to flow in the reverse direction when the applied voltage reaches the Zener voltage. This characteristic enables it to regulate voltage in electronic circuits.

Detailed Application Field Plans

Voltage Regulation

The Zener diode can be used in power supplies, voltage regulators, and signal conditioning circuits to maintain a stable output voltage.

Overvoltage Protection

It is employed in electronic systems to protect sensitive components from damage due to voltage spikes or surges.

Detailed and Complete Alternative Models

  • 1N4733A
  • 1N4734A
  • 1N4735A
  • 1N4736A
  • 1N4737A

These alternative models offer different Zener voltages and power dissipation capabilities, providing flexibility in design and application.

In conclusion, the 1N4749CPE3/TR12 Zener diode is a crucial component in electronic circuits, offering precise voltage regulation and overvoltage protection. Its compact size and cost-effectiveness make it a popular choice in various applications, despite its limitations in power dissipation. Additionally, alternative models provide options for different voltage requirements, enhancing its versatility in electronic designs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4749CPE3/TR12 en soluciones técnicas

  1. What is the 1N4749CPE3/TR12 diode used for?

    • The 1N4749CPE3/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4749CPE3/TR12?

    • The maximum power dissipation of the 1N4749CPE3/TR12 is 1.3 watts.

  3. What is the voltage rating of the 1N4749CPE3/TR12?

    • The 1N4749CPE3/TR12 has a nominal Zener voltage of 24 volts.

  4. Can the 1N4749CPE3/TR12 be used for overvoltage protection?

    • Yes, the 1N4749CPE3/TR12 can be used to protect sensitive components from overvoltage conditions.

  5. What is the operating temperature range of the 1N4749CPE3/TR12?

    • The 1N4749CPE3/TR12 has an operating temperature range of -65°C to +200°C.

  6. Is the 1N4749CPE3/TR12 suitable for use in automotive applications?

    • Yes, the 1N4749CPE3/TR12 is suitable for use in automotive electronics due to its wide temperature range and reliability.

  7. Can the 1N4749CPE3/TR12 be used in reverse bias?

    • Yes, the 1N4749CPE3/TR12 can be used in reverse bias as a voltage reference or regulator.

  8. What are some typical applications of the 1N4749CPE3/TR12?

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

  9. Does the 1N4749CPE3/TR12 require a heatsink for operation?

    • In most low-power applications, the 1N4749CPE3/TR12 does not require a heatsink due to its low power dissipation.

  10. What are the key differences between the 1N4749CPE3/TR12 and similar Zener diodes?

    • The 1N4749CPE3/TR12 offers a specific Zener voltage of 24 volts, which distinguishes it from other Zener diodes with different voltage ratings.