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1N4743PE3/TR12
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1N4743PE3/TR12 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation
  • Characteristics: Zener diode, low reverse leakage current, precise voltage regulation
  • Package: DO-41 (Axial Lead)
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

  • Voltage: 13V
  • Power Dissipation: 1W
  • Operating Temperature: -65°C to +200°C
  • Zener Impedance: 10Ω
  • Reverse Leakage Current: 5μA

Detailed Pin Configuration

The 1N4743PE3/TR12 has two leads with the following pin configuration: - Anode (A) - Positive terminal - Cathode (K) - Negative terminal

Functional Features

  • Precise voltage regulation at 13V
  • Low reverse leakage current ensures minimal power loss
  • Zener diode characteristics provide stable voltage output

Advantages and Disadvantages

Advantages: - Accurate voltage regulation - Low reverse leakage current - Compact DO-41 package

Disadvantages: - Limited power dissipation capability - Sensitive to temperature variations

Working Principles

The 1N4743PE3/TR12 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage in electronic circuits by shunting excess current when the voltage exceeds the specified value.

Detailed Application Field Plans

This semiconductor diode is commonly used in various applications such as: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to 1N4743PE3/TR12 include: - 1N4739A: 9.1V Zener diode - 1N4740A: 10V Zener diode - 1N4744A: 15V Zener diode - BZX55C13: 13V Zener diode

This completes the entry for the 1N4743PE3/TR12 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

技術ソリューションにおける 1N4743PE3/TR12 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4743PE3/TR12?

    • The 1N4743PE3/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 1N4743PE3/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 1N4743PE3/TR12?

    • The maximum current for reliable operation is typically around 50-100 mA.

  4. How does the 1N4743PE3/TR12 provide voltage regulation?

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

  5. Can the 1N4743PE3/TR12 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 of the 1N4743PE3/TR12?

    • Its key characteristics include a precise voltage regulation, low dynamic impedance, and high reliability.

  7. Is the 1N4743PE3/TR12 suitable for precision voltage references?

    • Yes, it can be used as a stable voltage reference in various electronic circuits.

  8. What are the temperature considerations for the 1N4743PE3/TR12?

    • It has a relatively stable voltage over a wide temperature range, making it suitable for many applications.

  9. Can multiple 1N4743PE3/TR12 diodes be connected in series or parallel?

    • Yes, they can be connected in series to create higher voltage references or in parallel to increase current-handling capability.

  10. Are there any alternative devices to the 1N4743PE3/TR12 with similar specifications?

    • Yes, other Zener diodes with comparable voltage and power ratings can be used as alternatives, such as the BZX55C13 or the 1N4743A.