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1N4729A BK
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1N4729A BK - Encyclopedia Entry

Product Overview

Category:

The 1N4729A BK belongs to the category of Zener diodes.

Use:

Zener diodes are primarily used for voltage regulation and protection in electronic circuits.

Characteristics:

  • The 1N4729A BK is a 3.3V, 1W Zener diode.
  • It has a low dynamic impedance and sharp breakdown voltage.
  • The diode is designed for general-purpose voltage regulation applications.

Package:

The 1N4729A BK is typically available in a DO-41 axial leaded package.

Packaging/Quantity:

It is commonly packaged in reels or bulk quantities, with specific quantities varying by manufacturer.

Specifications

  • Voltage: 3.3V
  • Power Dissipation: 1W
  • Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4729A BK has two leads, with the cathode marked by a band on the body of the diode.

Functional Features

  • Voltage Regulation: The diode maintains a constant voltage across its terminals when operated in reverse breakdown region.
  • Overvoltage Protection: It protects sensitive components in a circuit by diverting excess voltage away from them.

Advantages and Disadvantages

Advantages

  • Precise Voltage Regulation
  • Compact Size
  • Cost-Effective

Disadvantages

  • Limited Power Dissipation Capability
  • Sensitivity to Temperature Changes

Working Principles

When the voltage across the diode reaches the breakdown voltage, it starts conducting in the reverse bias direction, maintaining a nearly constant voltage drop across its terminals.

Detailed Application Field Plans

The 1N4729A BK finds applications in various fields including: - Voltage Regulators - Power Supplies - Overvoltage Protection Circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4729A BK include: - 1N4730A (3.6V, 1W) - 1N4731A (3.9V, 1W) - 1N4732A (4.3V, 1W)

In conclusion, the 1N4729A BK Zener diode is a versatile component widely used for voltage regulation and protection in electronic circuits. Its precise voltage regulation and compact size make it an essential part of various electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 1N4729A BK dalam penyelesaian teknikal

  1. What is the 1N4729A BK diode used for?

    • The 1N4729A BK is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4729A BK?

    • The maximum power dissipation of the 1N4729A BK is 1.3 watts.

  3. What is the voltage rating of the 1N4729A BK?

    • The 1N4729A BK has a nominal voltage rating of 3.6 volts.

  4. What is the tolerance of the 1N4729A BK?

    • The tolerance of the 1N4729A BK is typically +/- 5%.

  5. How does the 1N4729A BK function as a voltage regulator?

    • The 1N4729A BK operates in its breakdown region, allowing it to maintain a relatively constant voltage across its terminals, providing regulation in a circuit.

  6. Can the 1N4729A BK be used for overvoltage protection?

    • Yes, the 1N4729A BK can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  7. What are the typical applications of the 1N4729A BK?

    • Typical applications include voltage regulation in power supplies, overvoltage protection, and signal clamping in electronic circuits.

  8. What is the forward voltage drop of the 1N4729A BK?

    • The forward voltage drop of the 1N4729A BK is approximately 1.2 volts.

  9. Is the 1N4729A BK polarized?

    • Yes, the 1N4729A BK is a polarized device and must be connected with the correct orientation in a circuit.

  10. What are some alternative part numbers for the 1N4729A BK?

    • Alternative part numbers include BZX85C3V6 and 1N4729A-TR.