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BZX84C12ET1
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BZX84C12ET1 - Encyclopedia Entry

Product Overview

Category

The BZX84C12ET1 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This particular Zener diode is commonly used for voltage regulation and overvoltage protection in various electronic circuits.

Characteristics

  • Voltage Regulation: The BZX84C12ET1 maintains a constant voltage across its terminals, making it suitable for stabilizing voltage in electronic circuits.
  • Small Size: This diode is compact, making it ideal for applications with limited space.
  • Low Power Dissipation: It exhibits low power dissipation, contributing to its efficiency in electronic circuits.

Package

The BZX84C12ET1 is typically available in a small surface-mount package, such as SOT-23, which facilitates easy integration into circuit boards.

Essence

The essence of the BZX84C12ET1 lies in its ability to provide stable voltage regulation and protect sensitive components from overvoltage conditions.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 12V
  • Power Dissipation: 250mW
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 0.9V (max) at 10mA

Detailed Pin Configuration

The BZX84C12ET1 typically features three pins: anode, cathode, and a reference terminal. The anode is connected to the positive side of the circuit, the cathode to the negative side, and the reference terminal provides the stable voltage output.

Functional Features

  • Voltage Regulation: The diode maintains a constant voltage drop across its terminals, ensuring stability in the circuit.
  • Overvoltage Protection: It acts as a safeguard against excessive voltage, preventing damage to sensitive components.

Advantages

  • Stable Voltage Output: Ensures consistent voltage levels in electronic circuits.
  • Compact Size: Ideal for applications with space constraints.
  • Overvoltage Protection: Safeguards sensitive components from potential damage.

Disadvantages

  • Limited Current Handling: May not be suitable for high-current applications.
  • Voltage Tolerance: The specified voltage may have a tolerance that could impact precision-critical applications.

Working Principles

The BZX84C12ET1 operates based on the Zener effect, where it allows current to flow in reverse bias once the voltage reaches its breakdown voltage, maintaining a relatively constant voltage drop across its terminals.

Detailed Application Field Plans

  • Voltage Regulation: Used in power supplies and voltage reference circuits to ensure stable output.
  • Overvoltage Protection: Employed in electronic systems to protect sensitive components from voltage spikes.

Detailed and Complete Alternative Models

  • BZX84C5V6ET1: 5.6V Zener diode with similar characteristics
  • BZX84C15ET1: 15V Zener diode offering a different voltage option
  • BZX84C20ET1: 20V Zener diode for higher voltage requirements

In conclusion, the BZX84C12ET1 Zener diode offers reliable voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BZX84C12ET1 en soluciones técnicas

  1. What is the maximum power dissipation of BZX84C12ET1?

    • The maximum power dissipation of BZX84C12ET1 is 250mW.

  2. What is the reverse voltage of BZX84C12ET1?

    • The reverse voltage of BZX84C12ET1 is 12V.

  3. What is the forward voltage of BZX84C12ET1?

    • The forward voltage of BZX84C12ET1 is typically 0.7V at a forward current of 5mA.

  4. What is the operating temperature range of BZX84C12ET1?

    • The operating temperature range of BZX84C12ET1 is -55°C to +150°C.

  5. What is the maximum forward current of BZX84C12ET1?

    • The maximum forward current of BZX84C12ET1 is 225mA.

  6. Is BZX84C12ET1 suitable for voltage regulation in low-power applications?

    • Yes, BZX84C12ET1 is suitable for voltage regulation in low-power applications due to its low forward voltage and high reverse voltage.

  7. Can BZX84C12ET1 be used for overvoltage protection in electronic circuits?

    • Yes, BZX84C12ET1 can be used for overvoltage protection in electronic circuits due to its ability to clamp voltages above its breakdown voltage.

  8. What are the typical applications of BZX84C12ET1?

    • Typical applications of BZX84C12ET1 include voltage regulation, overvoltage protection, and signal conditioning in various electronic circuits.

  9. Does BZX84C12ET1 require a heat sink for normal operation?

    • No, BZX84C12ET1 does not require a heat sink for normal operation due to its low power dissipation.

  10. What are the package options available for BZX84C12ET1?

    • BZX84C12ET1 is available in various package options including SOT-23, SOD-123, and SOD-323.