Semtech Corporation
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1N4489US
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1N4489US

Product Overview

  • Category: Semiconductor
  • Use: Rectifier diode
  • Characteristics: High current capability, low forward voltage drop
  • Package: DO-41
  • Essence: Efficient rectification of AC to DC
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 100V
  • Current Rating: 1A
  • Forward Voltage Drop: 1V
  • Reverse Leakage Current: 5µA
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4489US is a two-terminal device with an anode and a cathode. It is housed in a DO-41 package, with the anode connected to the positive terminal and the cathode to the negative terminal.

Functional Features

  • Efficient rectification of alternating current (AC) to direct current (DC)
  • Low forward voltage drop for reduced power loss
  • High current capability for handling heavy loads

Advantages and Disadvantages

Advantages

  • High current capability
  • Low forward voltage drop
  • Wide operating temperature range

Disadvantages

  • Limited reverse voltage rating
  • Higher reverse leakage current compared to some alternatives

Working Principles

The 1N4489US operates on the principle of unidirectional conduction, allowing current to flow in one direction while blocking it in the reverse direction. When forward biased, it conducts current with minimal voltage drop, enabling efficient rectification.

Detailed Application Field Plans

The 1N4489US is commonly used in power supply circuits, battery chargers, and other applications requiring AC to DC conversion. Its high current capability and low forward voltage drop make it suitable for various electronic devices and equipment.

Detailed and Complete Alternative Models

  • 1N4001: Similar characteristics but lower current rating
  • 1N5408: Higher voltage and current ratings
  • 1N5819: Schottky diode with lower forward voltage drop

This comprehensive entry provides detailed information about the 1N4489US rectifier diode, including its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4489US en soluciones técnicas

  1. What is 1N4489US?

    • 1N4489US is a high-reliability, ultra-fast rectifier diode designed for various technical applications.

  2. What are the key features of 1N4489US?

    • The key features include high surge capability, low forward voltage drop, and fast switching speed.

  3. What are the typical applications of 1N4489US?

    • Typical applications include power supplies, inverters, converters, and freewheeling diodes.

  4. What is the maximum repetitive peak reverse voltage of 1N4489US?

    • The maximum repetitive peak reverse voltage is typically 200 volts.

  5. What is the maximum average forward rectified current of 1N4489US?

    • The maximum average forward rectified current is typically 6.0 amperes.

  6. What is the operating temperature range of 1N4489US?

    • The operating temperature range is typically -65°C to +175°C.

  7. Does 1N4489US have any special packaging or mounting requirements?

    • Yes, it is typically available in a DO-201AD package and should be mounted on a suitable heat sink.

  8. What are the storage conditions for 1N4489US?

    • It should be stored in a dry environment at temperatures between -65°C and +175°C.

  9. Is 1N4489US RoHS compliant?

    • Yes, it is typically RoHS compliant.

  10. Where can I find detailed specifications and application notes for 1N4489US?

    • Detailed specifications and application notes can usually be found in the product datasheet provided by the manufacturer.