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1N4732PE3/TR12
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1N4732PE3/TR12 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor diode
  • Use: Voltage regulation, rectification
  • Characteristics: Zener diode, low leakage current, high reliability
  • Package: DO-41 (DO-204AL)
  • 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: 4.7V
  • Power Dissipation: 1.0W
  • Operating Temperature Range: -65°C to +200°C
  • Zener Test Current: 20mA

Detailed Pin Configuration

The 1N4732PE3/TR12 has two pins, anode and cathode, with the cathode being marked by a band on the body of the diode.

Functional Features

  • Provides stable voltage regulation
  • Allows current to flow in reverse direction when breakdown voltage is reached
  • Low leakage current ensures minimal power loss

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • High reliability
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4732PE3/TR12 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when operated in reverse breakdown region.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, overvoltage protection, and as a reference element in precision voltage sources. It finds applications in power supplies, instrumentation, and automotive electronics.

Detailed and Complete Alternative Models

  • 1N4728A: 3.3V Zener diode
  • 1N4739A: 9.1V Zener diode
  • BZX55C4V7: 4.7V Zener diode

This comprehensive entry provides detailed information about the 1N4732PE3/TR12 semiconductor diode, including its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける 1N4732PE3/TR12 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4732PE3/TR12?

    • The 1N4732PE3/TR12 is a Zener diode with a voltage rating of 4.7V.

  2. What are the typical applications of the 1N4732PE3/TR12?

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

  3. What is the maximum power dissipation of the 1N4732PE3/TR12?

    • The maximum power dissipation is 1.0W.

  4. What is the operating temperature range of the 1N4732PE3/TR12?

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

  5. What is the forward voltage drop of the 1N4732PE3/TR12?

    • The forward voltage drop is approximately 1.2V.

  6. What is the reverse leakage current of the 1N4732PE3/TR12 at its rated voltage?

    • The reverse leakage current is typically less than 5µA at the rated voltage.

  7. Can the 1N4732PE3/TR12 be used for voltage regulation in low-power applications?

    • Yes, it is suitable for voltage regulation in low-power applications due to its relatively low power dissipation.

  8. Is the 1N4732PE3/TR12 suitable for precision voltage references?

    • While it can be used as a voltage reference, it may not provide the precision required for some applications without additional circuitry.

  9. What are the key differences between the 1N4732PE3/TR12 and other Zener diodes with similar voltage ratings?

    • The 1N4732PE3/TR12 offers a specific voltage rating of 4.7V and has a different power dissipation rating compared to other Zener diodes.

  10. Are there any important considerations when designing a circuit using the 1N4732PE3/TR12?

    • It's important to consider the current flowing through the diode, the power dissipation, and the temperature to ensure reliable operation within the specified limits.