Microsemi Corporation
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1N4747CPE3/TR8
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1N4747CPE3/TR8

Product Overview

Category

The 1N4747CPE3/TR8 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 1N4747CPE3/TR8 provides stable voltage regulation under varying load conditions.
  • Reverse Breakdown Voltage: It has a reverse breakdown voltage of 20V, making it suitable for low-voltage applications.
  • Package Type: The product is available in a DO-41 package, which is a widely used through-hole package for diodes.

Packaging/Quantity

The 1N4747CPE3/TR8 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: 1N4747CPE3/TR8
  • Voltage: 20V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4747CPE3/TR8 has two pins, with the cathode (K) connected to the negative terminal and the anode (A) connected to the positive terminal.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Protection: Safeguards sensitive components by limiting the voltage across them.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Protection against voltage spikes
  • Wide operating temperature range

Disadvantages

  • Limited to low-voltage applications
  • Requires careful consideration of power dissipation

Working Principles

The 1N4747CPE3/TR8 operates based on the principle of the Zener effect, where it allows current to flow in the forward direction like a regular diode, but also permits it to flow in the reverse direction when the voltage reaches the Zener voltage.

Detailed Application Field Plans

The 1N4747CPE3/TR8 finds application in various electronic circuits, including: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747CPE3/TR8 include: - 1N4739A: 9.1V Zener diode - 1N4742A: 12V Zener diode - 1N4744A: 15V Zener diode

In conclusion, the 1N4747CPE3/TR8 Zener diode offers reliable voltage regulation and protection in electronic circuits, making it a valuable component in various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4747CPE3/TR8 en soluciones técnicas

  1. What is the 1N4747CPE3/TR8?

    • The 1N4747CPE3/TR8 is a Zener diode with a voltage rating of 20V and a power dissipation of 1W.

  2. What are the typical applications of the 1N4747CPE3/TR8?

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

  3. What is the maximum current that can flow through the 1N4747CPE3/TR8?

    • The maximum current for reliable operation is typically around 50-60 mA.

  4. How does the 1N4747CPE3/TR8 provide voltage regulation?

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

  5. Can the 1N4747CPE3/TR8 be used for overvoltage protection?

    • Yes, it can be used to clamp the voltage at a specific level, protecting downstream components from excessive voltage.

  6. What are the key characteristics to consider when selecting the 1N4747CPE3/TR8 for a design?

    • Voltage rating, power dissipation, and tolerance are important factors to consider.

  7. Is the 1N4747CPE3/TR8 suitable for low-power applications?

    • Yes, it is commonly used in low-power circuits due to its 1W power dissipation rating.

  8. What are the temperature considerations for the 1N4747CPE3/TR8?

    • It is important to consider the operating and storage temperature ranges to ensure proper performance and reliability.

  9. Can multiple 1N4747CPE3/TR8 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 capability.

  10. Are there any alternative components that can be used in place of the 1N4747CPE3/TR8?

    • Other Zener diodes with similar voltage ratings and power dissipation capabilities can be considered as alternatives.