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1N4481
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1N4481 Diode

Product Overview

Category:

The 1N4481 diode belongs to the category of semiconductor devices.

Use:

It is commonly used as a rectifier in electronic circuits to convert alternating current (AC) to direct current (DC).

Characteristics:

  • Forward Voltage Drop: Typically around 0.7V
  • Maximum Reverse Voltage: 200V
  • Maximum Forward Current: 1A
  • Fast Switching Speed

Package:

The 1N4481 diode is typically available in a DO-41 package.

Packaging/Quantity:

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer and distributor specifications.

Specifications

  • Forward Voltage Drop: 0.7V
  • Reverse Voltage: 200V
  • Forward Current: 1A
  • Package Type: DO-41
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4481 diode has two pins, anode and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The 1N4481 diode acts as a one-way valve for electric current, allowing current to flow in only one direction. It also provides protection against reverse voltage and is capable of fast switching.

Advantages and Disadvantages

Advantages

  • Low forward voltage drop
  • High reverse voltage capability
  • Fast switching speed

Disadvantages

  • Limited maximum forward current compared to some higher power diodes
  • Relatively low maximum reverse voltage compared to some high-voltage diodes

Working Principles

When a positive voltage is applied to the anode and a negative voltage to the cathode, the diode allows current to flow. However, if the polarity is reversed, the diode blocks the current flow, preventing damage to the circuit.

Detailed Application Field Plans

The 1N4481 diode finds applications in various electronic circuits such as: - Power supplies - Battery chargers - Voltage regulators - Signal demodulation circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4481 diode include: - 1N4001 - 1N4148 - 1N5408 - 1N5819

In conclusion, the 1N4481 diode is a versatile semiconductor device widely used in electronic circuits for rectification and voltage regulation purposes. Its unique characteristics and functional features make it an essential component in many electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 1N4481 dalam penyelesaian teknikal

  1. What is 1N4481?

    • 1N4481 is a silicon rectifier diode commonly used in electronic circuits for converting alternating current (AC) to direct current (DC).

  2. What are the key specifications of 1N4481?

    • The 1N4481 diode has a maximum repetitive peak reverse voltage of 200 volts, a maximum average forward rectified current of 4.0 amperes, and a typical forward voltage drop of 1.0 volt at 3.0 amperes.

  3. How is 1N4481 typically used in technical solutions?

    • 1N4481 is often used in power supply circuits, battery chargers, voltage regulators, and other applications where AC to DC conversion is required.

  4. What are the important considerations when using 1N4481 in a circuit?

    • It's crucial to consider the maximum voltage and current requirements of the circuit, as well as the thermal characteristics of the diode to ensure proper heat dissipation.

  5. Can 1N4481 be used in high-frequency applications?

    • While 1N4481 can function in moderate frequency applications, it may not be suitable for very high-frequency circuits due to its inherent capacitance and switching speed limitations.

  6. Are there any common failure modes associated with 1N4481?

    • Overheating due to excessive current or voltage, as well as reverse voltage breakdown, are common failure modes to be aware of when using 1N4481.

  7. What are some alternative diodes that can be used in place of 1N4481?

    • Alternatives include 1N400x series diodes, such as 1N4001, 1N4004, and 1N4007, which have similar characteristics and can be substituted depending on specific requirements.

  8. How should 1N4481 be connected in a circuit?

    • Typically, the anode of the diode is connected to the positive side of the circuit, while the cathode is connected to the negative side to allow current flow in one direction only.

  9. What are the temperature limitations of 1N4481?

    • The operating temperature range for 1N4481 is usually between -65°C to +175°C, but it's important to refer to the datasheet for precise details.

  10. Where can I purchase 1N4481 diodes?

    • 1N4481 diodes can be purchased from electronic component distributors, online retailers, and local electronics stores. It's essential to ensure that the components are sourced from reputable suppliers to guarantee quality and authenticity.