Microsemi Corporation
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1N4745AE3/TR13

1N4745AE3/TR13

Product Overview

Category

The 1N4745AE3/TR13 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a constant voltage across their terminals.

Use

This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.

Characteristics

  • Voltage Regulation: The 1N4745AE3/TR13 provides stable voltage regulation under varying load conditions.
  • Reverse Breakdown Voltage: It has a reverse breakdown voltage of 16V, making it suitable for low-voltage applications.
  • Temperature Stability: This Zener diode exhibits good temperature stability, ensuring consistent performance across a range of operating temperatures.

Package

The 1N4745AE3/TR13 is typically available in a DO-41 package, which is a cylindrical glass encapsulation with axial leads.

Packaging/Quantity

It is commonly supplied in reels or bulk packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: 1N4745AE3/TR13
  • Voltage: 16V
  • Power Dissipation: 1W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4745AE3/TR13 Zener diode has two leads, with the cathode connected to the positive terminal and the anode connected to the negative terminal in the circuit.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage Protection: Safeguards sensitive components by diverting excess voltage away from the circuit.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway if not properly heatsinked

Working Principles

The 1N4745AE3/TR13 operates based on the principle of 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 1N4745AE3/TR13 is widely used in: - Voltage regulators - Power supplies - Signal conditioning circuits

Overvoltage Protection

It is employed in: - Surge protectors - Transient voltage suppressors - Crowbar circuits

Detailed and Complete Alternative Models

  • 1N4733A: 5.1V Zener diode
  • 1N4740A: 10V Zener diode
  • BZX55C15: 15V Zener diode
  • BZX85C18: 18V Zener diode

In conclusion, the 1N4745AE3/TR13 Zener diode is a versatile component that finds widespread use in voltage regulation and overvoltage protection applications within electronic circuits.

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기술 솔루션에 1N4745AE3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the 1N4745AE3/TR13 diode used for?

    • The 1N4745AE3/TR13 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4745AE3/TR13?

    • The maximum power dissipation of the 1N4745AE3/TR13 is 1.0 W.

  3. What is the voltage rating of the 1N4745AE3/TR13?

    • The 1N4745AE3/TR13 has a nominal Zener voltage of 16V.

  4. How does the 1N4745AE3/TR13 provide voltage regulation?

    • The 1N4745AE3/TR13 operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals when properly biased.

  5. Can the 1N4745AE3/TR13 be used for overvoltage protection?

    • Yes, the 1N4745AE3/TR13 can be used to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.

  6. What are the typical applications of the 1N4745AE3/TR13?

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

  7. What is the temperature coefficient of the 1N4745AE3/TR13?

    • The temperature coefficient of the 1N4745AE3/TR13 is typically around +5 mV/°C.

  8. What is the maximum forward voltage drop of the 1N4745AE3/TR13?

    • The maximum forward voltage drop of the 1N4745AE3/TR13 is 1.2V at 200mA.

  9. Is the 1N4745AE3/TR13 suitable for high-frequency applications?

    • The 1N4745AE3/TR13 is not recommended for high-frequency applications due to its inherent capacitance and response time.

  10. Are there any special considerations for using the 1N4745AE3/TR13 in parallel or series configurations?

    • When using the 1N4745AE3/TR13 in parallel or series configurations, it's important to ensure proper current sharing and voltage distribution to prevent uneven loading and potential failure of the diodes.