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1N4489
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1N4489 Diode

Product Overview

Category:

The 1N4489 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: 1V
  • Reverse Voltage: 200V
  • Forward Current: 1A
  • Reverse Recovery Time: 4ns

Package:

The 1N4489 diode is typically available in a DO-41 package.

Packaging/Quantity:

It is commonly packaged in reels or tubes, with quantities ranging from hundreds to thousands per package.

Specifications

  • Forward Voltage Drop: 1V
  • Reverse Voltage: 200V
  • Forward Current: 1A
  • Reverse Recovery Time: 4ns
  • Maximum Operating Temperature: 150°C

Detailed Pin Configuration

The 1N4489 diode has two pins, an anode and a cathode. The anode is typically marked with a band on the body of the diode.

Functional Features

The 1N4489 diode exhibits low forward voltage drop and fast reverse recovery time, making it suitable for high-frequency applications.

Advantages

  • Low forward voltage drop
  • Fast reverse recovery time
  • High reliability

Disadvantages

  • Limited maximum operating temperature
  • Relatively low forward current rating

Working Principles

When a positive voltage is applied to the anode with respect to the cathode, the diode allows current to flow in the forward direction. When a negative voltage is applied, the diode blocks the current flow in the reverse direction.

Detailed Application Field Plans

The 1N4489 diode is commonly used in: - Power supply circuits - Rectification circuits - Switching circuits - Voltage clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4489 diode include: - 1N4007 - 1N5408 - 1N5819 - 1N4148

In conclusion, the 1N4489 diode is a versatile semiconductor device commonly used in various electronic circuits due to its low forward voltage drop and fast reverse recovery time. Its characteristics make it suitable for applications such as power supplies, rectifiers, and voltage clamping circuits.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1N4489 i tekniske løsninger

  1. What is 1N4489?

    • 1N4489 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 1N4489?

    • The 1N4489 diode has a maximum repetitive peak reverse voltage of 200 volts, a maximum average forward rectified current of 4 amperes, and a typical forward voltage drop of 1 volt at 2 amperes.

  3. How is 1N4489 typically used in technical solutions?

    • 1N4489 diodes are 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 1N4489 in a circuit?

    • It's important 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 1N4489 be used in high-frequency applications?

    • No, 1N4489 is not suitable for high-frequency applications due to its relatively slow recovery time.

  6. Are there any alternative diodes that can be used in place of 1N4489?

    • Yes, similar rectifier diodes such as 1N400x series or 1N540x series can be used as alternatives depending on the specific requirements of the circuit.

  7. What are the typical failure modes of 1N4489 diodes?

    • Common failure modes include overvoltage breakdown, excessive current causing thermal damage, and reverse voltage breakdown.

  8. How should 1N4489 diodes be handled and stored?

    • Diodes should be stored in a cool, dry environment and handled with care to avoid electrostatic discharge (ESD) damage.

  9. Can 1N4489 diodes be used in automotive applications?

    • Yes, 1N4489 diodes can be used in automotive circuits such as alternator rectification and voltage regulation.

  10. Where can I find detailed application notes for using 1N4489 in technical solutions?

    • Detailed application notes and circuit design guidelines for 1N4489 can be found in the datasheet provided by the manufacturer or in technical reference manuals for electronic components.