Microsemi Corporation
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1N4730CPE3/TR8
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1N4730CPE3/TR8 - Semiconductor Diode

Basic Information Overview

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

Specifications

  • Voltage: 3.9V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +200°C
  • Zener Impedance: 20Ω
  • Max Reverse Leakage Current: 5μA

Detailed Pin Configuration

The 1N4730CPE3/TR8 has two pins, anode and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

  • Provides a constant voltage output when reverse biased
  • Protects sensitive components from voltage spikes
  • Maintains a stable voltage across the load

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low leakage current
  • High reliability

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4730CPE3/TR8 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage in electronic circuits.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, surge suppressors, and overvoltage protection circuits. It finds applications in power supplies, instrumentation, and automotive electronics.

Detailed and Complete Alternative Models

  • 1N4728CPE3/TR8 (3.3V)
  • 1N4731CPE3/TR8 (3.9V)
  • 1N4734CPE3/TR8 (4.7V)

This completes the entry for the 1N4730CPE3/TR8 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

기술 솔루션에 1N4730CPE3/TR8 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the 1N4730CPE3/TR8?

    • The 1N4730CPE3/TR8 is a 1W Zener diode with a voltage rating of 3.9V.

  2. What are the typical applications of the 1N4730CPE3/TR8?

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

  3. What is the maximum power dissipation of the 1N4730CPE3/TR8?

    • The maximum power dissipation is 1W.

  4. What is the operating temperature range of the 1N4730CPE3/TR8?

    • The operating temperature range is typically -65°C to +200°C.

  5. How does the 1N4730CPE3/TR8 behave in reverse bias?

    • In reverse bias, it behaves as a normal diode until the breakdown voltage is reached, at which point it conducts in the reverse direction.

  6. Can the 1N4730CPE3/TR8 be used for voltage regulation in power supplies?

    • Yes, it can be used to stabilize and regulate the output voltage in power supply circuits.

  7. What are the key electrical characteristics of the 1N4730CPE3/TR8?

    • Key characteristics include its zener voltage, maximum current, and dynamic resistance.

  8. Is the 1N4730CPE3/TR8 suitable for low-power applications?

    • Yes, it is suitable for low-power applications due to its 1W power rating.

  9. How does the 1N4730CPE3/TR8 compare to other Zener diodes in terms of voltage tolerance?

    • It has a tight voltage tolerance, making it suitable for precision applications.

  10. Are there any specific layout considerations when using the 1N4730CPE3/TR8 in a circuit?

    • It is important to minimize lead lengths and ensure proper heat sinking to maintain stability and reliability.

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