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BZX79C27
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BZX79C27 Diode Encyclopedia Entry

Product Overview

Category

The BZX79C27 diode belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 27V
  • Power dissipation: 500mW
  • Package type: DO-35
  • Operating temperature range: -65°C to +200°C
  • Forward voltage: 1.2V
  • Reverse current: 5µA

Package

The BZX79C27 diode is typically available in a DO-35 package.

Essence

This diode is essential for maintaining a constant voltage across a circuit, protecting sensitive components from overvoltage conditions.

Packaging/Quantity

The BZX79C27 diode is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 27V
  • Power dissipation: 500mW
  • Maximum forward voltage: 1.2V
  • Maximum reverse current: 5µA
  • Package type: DO-35
  • Operating temperature range: -65°C to +200°C

Detailed Pin Configuration

The BZX79C27 diode has two pins, anode, and cathode, which are identified by the color band on the diode body.

Functional Features

The BZX79C27 diode operates as a voltage regulator, allowing current to flow in the forward direction when the voltage is above the specified Zener voltage, effectively clamping the voltage at the Zener voltage level.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

When the voltage across the diode reaches the Zener voltage, it begins to conduct in the reverse direction, effectively stabilizing the voltage across the circuit.

Detailed Application Field Plans

The BZX79C27 diode finds applications in various fields such as: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping in communication systems

Detailed and Complete Alternative Models

Some alternative models to the BZX79C27 diode include: - 1N4733A (Zener voltage: 5.1V) - BZX85C27 (Zener voltage: 27V) - 1N746A (Zener voltage: 6.2V)

In conclusion, the BZX79C27 diode is a crucial component in electronic circuits, providing precise voltage regulation and protection against overvoltage conditions. Its compact size and wide operating temperature range make it suitable for various applications across different industries.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BZX79C27 dalam penyelesaian teknikal

  1. What is the BZX79C27?

    • The BZX79C27 is a 27V Zener diode commonly used for voltage regulation and overvoltage protection in electronic circuits.

  2. What are the typical applications of BZX79C27?

    • The BZX79C27 is commonly used in voltage regulator circuits, voltage reference circuits, and overvoltage protection circuits in various electronic devices.

  3. What is the maximum power dissipation of BZX79C27?

    • The maximum power dissipation of BZX79C27 is typically around 500mW.

  4. What is the voltage tolerance of BZX79C27?

    • The voltage tolerance of BZX79C27 is typically +/-5%.

  5. How does BZX79C27 provide overvoltage protection?

    • BZX79C27 acts as a voltage clamp, conducting current when the voltage across it exceeds its breakdown voltage, thereby protecting downstream components from overvoltage damage.

  6. Can BZX79C27 be used in reverse bias?

    • Yes, BZX79C27 can be used in reverse bias to provide overvoltage protection in electronic circuits.

  7. What is the temperature coefficient of BZX79C27?

    • The temperature coefficient of BZX79C27 is typically around 0.07%/°C.

  8. What is the maximum forward voltage of BZX79C27?

    • The maximum forward voltage of BZX79C27 is typically around 1.5V at a forward current of 5mA.

  9. What are the package options available for BZX79C27?

    • BZX79C27 is available in various package options such as DO-35, MiniMELF, and SOD-123.

  10. Can BZX79C27 be used in precision voltage reference applications?

    • Yes, BZX79C27 can be used in precision voltage reference applications due to its stable breakdown voltage and low temperature coefficient.

Feel free to ask if you need further assistance!