Microsemi Corporation
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1N4745AE3

1N4745AE3

Product Overview

Category

The 1N4745AE3 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 16V
  • Power dissipation: 1.0W
  • Package type: Axial leaded
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape & Reel, 2000 per reel

Essence

The essence of the 1N4745AE3 lies in its ability to maintain a constant voltage across its terminals when operated in reverse breakdown region.

Specifications

  • Zener voltage: 16V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4745AE3 has a standard axial leaded package with two leads. The anode is connected to the positive terminal and the cathode to the negative terminal.

Functional Features

  • Voltage regulation: Maintains a constant voltage across its terminals.
  • Overvoltage protection: Safeguards sensitive components in the circuit from excessive voltage.

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway at high currents

Working Principles

The 1N4745AE3 operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals by entering the reverse breakdown region.

Detailed Application Field Plans

The 1N4745AE3 is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4745AE3 include: - 1N4739A - 1N4746A - BZX55C16

This comprehensive entry provides detailed information about the 1N4745AE3 Zener diode, including its specifications, features, applications, and alternatives, making it a valuable resource for engineers and enthusiasts in the field of electronics.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4745AE3 v technických řešeních

  1. What is the 1N4745AE3 diode used for?

    • The 1N4745AE3 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4745AE3?

    • The maximum power dissipation of the 1N4745AE3 is 1.0 watt.

  3. What is the voltage rating of the 1N4745AE3?

    • The 1N4745AE3 has a nominal Zener voltage of 16V.

  4. How does the 1N4745AE3 function in voltage regulation?

    • The 1N4745AE3 conducts current in reverse-bias breakdown mode when the voltage across it exceeds its Zener voltage, effectively regulating the voltage.

  5. What are the typical applications of the 1N4745AE3?

    • Typical applications include voltage regulation, overvoltage protection, and voltage reference in various electronic circuits.

  6. What is the maximum forward voltage drop of the 1N4745AE3?

    • The maximum forward voltage drop of the 1N4745AE3 is 1.2V at 200mA.

  7. What is the temperature coefficient of the 1N4745AE3?

    • The temperature coefficient of the 1N4745AE3 is typically around 5mV/°C.

  8. Can the 1N4745AE3 be used in reverse bias?

    • Yes, the 1N4745AE3 is designed to operate in reverse bias as a Zener diode.

  9. What is the maximum reverse leakage current of the 1N4745AE3?

    • The maximum reverse leakage current of the 1N4745AE3 is typically in the range of microamps.

  10. How should the 1N4745AE3 be connected in a circuit for voltage regulation?

    • The 1N4745AE3 should be connected in reverse bias across the load to regulate the voltage, with appropriate current-limiting resistance if needed.