Microsemi Corporation
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1N4743CP/TR12
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1N4743CP/TR12

Product Overview

Category

The 1N4743CP/TR12 belongs to the category of Zener diodes.

Use

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

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 1N4743CP/TR12 is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4743CP/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
  • Protection against voltage spikes
  • Stable operation over a wide temperature range

Advantages

  • High reliability
  • Low cost
  • Easy to use

Disadvantages

  • Limited power dissipation capability
  • Voltage tolerance may not be suitable for some precision applications

Working Principles

The 1N4743CP/TR12 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased at its specified voltage.

Detailed Application Field Plans

The 1N4743CP/TR12 is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4743CP/TR12 include: - 1N4733A - 1N4734A - 1N4735A - 1N4736A

In conclusion, the 1N4743CP/TR12 Zener diode offers precise voltage regulation and finds extensive use in various electronic circuits requiring stable voltage references and protection against voltage fluctuations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4743CP/TR12 v technických řešeních

  1. What is the 1N4743CP/TR12?

    • The 1N4743CP/TR12 is a Zener diode with a voltage rating of 13V and a power rating of 1W.

  2. What are the typical applications of the 1N4743CP/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 1N4743CP/TR12?

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

  4. How does the 1N4743CP/TR12 provide voltage regulation?

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

  5. Can the 1N4743CP/TR12 be used for overvoltage protection?

    • Yes, it can be used to limit the voltage across a circuit to a safe level by shunting excess current.

  6. What are the key specifications to consider when using the 1N4743CP/TR12 in a design?

    • Key specifications include the voltage rating, power dissipation, and maximum current.

  7. Are there any temperature considerations when using the 1N4743CP/TR12?

    • Yes, the operating and storage temperatures should be within the specified range to ensure proper performance.

  8. Can multiple 1N4743CP/TR12 diodes be connected in series or parallel?

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

  9. What are the typical package options for the 1N4743CP/TR12?

    • It is available in various packages such as DO-41, SOD-123, and SMA.

  10. Where can I find detailed application notes for using the 1N4743CP/TR12 in technical solutions?

    • Detailed application notes can be found in the datasheet provided by the manufacturer or on their official website.