Microsemi Corporation
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1N4747APE3/TR12
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1N4747APE3/TR12

Product Overview

Category

The 1N4747APE3/TR12 belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 20V
  • Power dissipation: 1.0W
  • Package: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/Quantity: Tape & Reel (TR) / 3000 per reel

Essence

The essence of the 1N4747APE3/TR12 lies in its ability to maintain a constant voltage across its terminals, making it suitable for various electronic circuits.

Specifications

  • Zener Voltage: 20V
  • Tolerance: ±5%
  • Power Dissipation: 1.0W
  • Maximum Reverse Leakage Current: 5μA
  • Maximum Temperature Coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4747APE3/TR12 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High power dissipation capability

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide operating temperature range
  • High power dissipation

Disadvantages

  • Limited voltage options
  • Tolerance may not be suitable for some precision applications

Working Principles

The 1N4747APE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1N4747APE3/TR12 finds application in various fields such as: - Voltage regulators - Voltage references - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747APE3/TR12 include: - 1N4739A - 1N4742A - BZX55C20

In conclusion, the 1N4747APE3/TR12 Zener diode offers reliable voltage regulation and finds application in diverse electronic circuits, making it a valuable component in the field of electronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4747APE3/TR12 v technických řešeních

  1. What is the 1N4747APE3/TR12?

    • The 1N4747APE3/TR12 is a Zener diode with a voltage rating of 20V and a power dissipation of 1W.

  2. What are the typical applications of the 1N4747APE3/TR12?

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

  3. What is the maximum current that can flow through the 1N4747APE3/TR12?

    • The maximum current for reliable operation is typically around 50mA.

  4. How does the 1N4747APE3/TR12 provide voltage regulation?

    • It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can the 1N4747APE3/TR12 be used for overvoltage protection?

    • Yes, it can be used to limit the voltage across a circuit to its rated value, protecting sensitive components.

  6. What are the key characteristics of the 1N4747APE3/TR12?

    • Its key characteristics include a sharp breakdown voltage, low dynamic impedance, and good stability over a wide range of operating conditions.

  7. Is the 1N4747APE3/TR12 suitable for precision voltage references?

    • While it can provide a stable reference voltage, it may not be as precise as dedicated voltage reference ICs.

  8. What are the temperature considerations for the 1N4747APE3/TR12?

    • It has a specified operating temperature range, and its performance can vary with temperature changes.

  9. Can multiple 1N4747APE3/TR12 diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.

  10. Are there any alternative devices that can be used in place of the 1N4747APE3/TR12?

    • Similar Zener diodes with different voltage ratings and power dissipation capabilities can be used based on specific application requirements.