Microsemi Corporation
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1N4739CP/TR8
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1N4739CP/TR8

Product Overview

Category

The 1N4739CP/TR8 belongs to the category of semiconductor devices, specifically zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 9.1V
  • Power dissipation: 1.3W
  • Package type: Axial leaded
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Packaging/Quantity

The 1N4739CP/TR8 is typically available in bulk packaging with quantities varying based on supplier and customer requirements.

Specifications

  • Zener voltage: 9.1V
  • Power dissipation: 1.3W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4739CP/TR8 zener diode has a standard axial leaded package with two leads. The anode is connected to the positive terminal, and the cathode is connected to the negative terminal.

Functional Features

  • Voltage regulation: The zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage protection: It conducts when the voltage exceeds its breakdown voltage, protecting sensitive components.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Fast response time

Disadvantages

  • Limited power dissipation capability
  • Susceptible to damage from overcurrent conditions

Working Principles

The 1N4739CP/TR8 operates based on the principle of the zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The 1N4739CP/TR8 is widely used in various applications such as: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the 1N4739CP/TR8 include: - 1N4738A: Zener voltage of 8.2V - 1N4740A: Zener voltage of 10V - BZX55C9V1: Zener voltage of 9.1V

In conclusion, the 1N4739CP/TR8 zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and fast response time make it suitable for various applications in different industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4739CP/TR8 en soluciones técnicas

  1. What is the 1N4739CP/TR8?

    • The 1N4739CP/TR8 is a Zener diode with a voltage rating of 9.1V and a power dissipation of 1W.

  2. How does the 1N4739CP/TR8 work in a circuit?

    • The 1N4739CP/TR8 acts 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 1N4739CP/TR8?

    • The 1N4739CP/TR8 is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  4. What are the key specifications of the 1N4739CP/TR8?

    • The key specifications include a voltage rating of 9.1V, a power dissipation of 1W, and a tolerance of ±5%.

  5. How do I select the appropriate resistor to use with the 1N4739CP/TR8?

    • To limit the current flowing through the Zener diode, you can use Ohm's law (R = V/I) to calculate the resistance needed based on the desired current.

  6. Can the 1N4739CP/TR8 be used for reverse voltage protection?

    • Yes, the 1N4739CP/TR8 can be used for reverse voltage protection by connecting it in reverse bias across the load.

  7. What are the temperature considerations for the 1N4739CP/TR8?

    • The 1N4739CP/TR8 has an operating temperature range typically from -65°C to +200°C, making it suitable for a wide range of environments.

  8. Is the 1N4739CP/TR8 suitable for high-frequency applications?

    • The 1N4739CP/TR8 is not recommended for high-frequency applications due to its inherent limitations at higher frequencies.

  9. Can multiple 1N4739CP/TR8 diodes be connected in series or parallel?

    • Yes, multiple 1N4739CP/TR8 diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capability.

  10. Are there any common failure modes associated with the 1N4739CP/TR8?

    • Common failure modes include exceeding the maximum power dissipation, exceeding the maximum current, or exposure to voltage transients beyond its ratings.