Microsemi Corporation
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
1N4748E3/TR13
자세히보기 데이터시트

1N4748E3/TR13 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor diode
  • Use: Voltage regulation and rectification
  • Characteristics: Zener diode, low leakage current, high reliability
  • Package: DO-41 (DO-204AL), axial leaded
  • Essence: Regulates voltage by allowing current to flow in reverse direction when a certain voltage is reached
  • Packaging/Quantity: Typically available in reels of 1000 units

Specifications

  • Voltage: 22V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +200°C
  • Zener Impedance: 20Ω
  • Max Reverse Leakage Current: 5μA

Detailed Pin Configuration

The 1N4748E3/TR13 has two leads, with the cathode being shorter than the anode.

Functional Features

  • Provides stable voltage regulation
  • Allows current to flow in reverse direction when voltage exceeds the specified level
  • Low reverse leakage current ensures minimal power loss

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • High reliability
  • Low reverse leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4748E3/TR13 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased, effectively regulating the voltage across a circuit.

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

  • 1N4730A: 3.9V, 1W
  • 1N4731A: 4.3V, 1W
  • 1N4732A: 4.7V, 1W
  • 1N4733A: 5.1V, 1W
  • 1N4734A: 5.6V, 1W
  • 1N4735A: 6.2V, 1W
  • 1N4736A: 6.8V, 1W
  • 1N4737A: 7.5V, 1W
  • 1N4738A: 8.2V, 1W
  • 1N4739A: 9.1V, 1W

This completes the entry for the 1N4748E3/TR13 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

기술 솔루션에 1N4748E3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the 1N4748E3/TR13?

    • The 1N4748E3/TR13 is a Zener diode with a voltage rating of 22V and a power rating of 1W.

  2. How does the 1N4748E3/TR13 work?

    • The 1N4748E3/TR13 operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage.

  3. What are the typical applications of the 1N4748E3/TR13?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  4. What is the maximum current that can flow through the 1N4748E3/TR13?

    • The maximum current for the 1N4748E3/TR13 is typically around 100mA.

  5. How do I select the right resistor to use with the 1N4748E3/TR13?

    • The resistor value can be calculated using Ohm's law and the desired operating current for the diode.

  6. Can the 1N4748E3/TR13 be used for reverse polarity protection?

    • Yes, it can be used to protect circuits from damage due to reverse polarity by placing it in series with the positive supply line.

  7. What are the temperature considerations for the 1N4748E3/TR13?

    • The operating temperature range for the 1N4748E3/TR13 is typically between -65°C to +200°C.

  8. Is the 1N4748E3/TR13 suitable for high-frequency applications?

    • It is not recommended for high-frequency applications due to its inherent limitations in response time.

  9. Can multiple 1N4748E3/TR13 diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.

  10. Are there any alternatives to the 1N4748E3/TR13 for similar applications?

    • Yes, other Zener diodes with different voltage ratings and power ratings can be considered based on specific application requirements.