Microsemi Corporation
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1N4743CPE3/TR8
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1N4743CPE3/TR8

Product Overview

Category:

The 1N4743CPE3/TR8 belongs to the category of Zener diodes.

Use:

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

Characteristics:

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Packaging/Quantity:

The 1N4743CPE3/TR8 is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4743CPE3/TR8 has a standard DO-41 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: Maintains a constant output voltage across a wide range of load currents and input voltages.
  • Overvoltage protection: Safeguards sensitive components by limiting the voltage across them.

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4743CPE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

Voltage Regulation

The 1N4743CPE3/TR8 can be used in various electronic circuits to stabilize voltage levels, ensuring consistent performance of connected components.

Overvoltage Protection

In applications where there is a risk of overvoltage conditions, such as in automotive electronics or power supplies, the 1N4743CPE3/TR8 can be employed to protect sensitive devices from damage.

Detailed and Complete Alternative Models

  • 1N4733A
  • 1N4734A
  • 1N4735A
  • 1N4736A
  • 1N4737A

These alternative models offer different Zener voltages while sharing similar characteristics and package types.

This content provides a comprehensive overview of the 1N4743CPE3/TR8 Zener diode, covering its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4743CPE3/TR8 v technických řešeních

  1. What is the 1N4743CPE3/TR8?

    • The 1N4743CPE3/TR8 is a Zener diode with a voltage rating of 13V and a power dissipation of 1W.

  2. How does the 1N4743CPE3/TR8 work?

    • The 1N4743CPE3/TR8 operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load resistance.

  3. What are the typical applications of the 1N4743CPE3/TR8?

    • Common applications include voltage regulation, overvoltage protection, and voltage reference in various electronic circuits.

  4. What are the key specifications of the 1N4743CPE3/TR8?

    • The key specifications include a voltage rating of 13V, a power dissipation of 1W, and a tolerance of +/-5%.

  5. How do I select the appropriate resistor for use with the 1N4743CPE3/TR8?

    • To determine the appropriate resistor value, you can use Ohm's law (R = V/I) where V is the voltage drop across the resistor and I is the current flowing through the circuit.

  6. Can the 1N4743CPE3/TR8 be used in reverse-bias mode?

    • Yes, the 1N4743CPE3/TR8 can be used in reverse-bias mode to protect against overvoltage conditions.

  7. What are the temperature considerations for the 1N4743CPE3/TR8?

    • The 1N4743CPE3/TR8 has a maximum operating temperature of 150°C, so it's important to consider heat dissipation in high-temperature environments.

  8. How does the 1N4743CPE3/TR8 compare to other Zener diodes in terms of performance?

    • The 1N4743CPE3/TR8 offers a balance of voltage rating, power dissipation, and tolerance, making it suitable for a wide range of applications.

  9. Are there any precautions to consider when using the 1N4743CPE3/TR8?

    • It's important to ensure proper heat sinking and current limiting to prevent damage to the diode.

  10. Where can I find detailed application notes for the 1N4743CPE3/TR8?

    • Detailed application notes and usage guidelines can be found in the manufacturer's datasheet for the 1N4743CPE3/TR8.