Semtech Corporation
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1N4985US
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1N4985US

Product Overview

Category

The 1N4985US belongs to the category of semiconductor diodes.

Use

It is commonly used as a rectifier diode in electronic circuits.

Characteristics

  • Forward voltage drop: 0.7V
  • Reverse voltage: 200V
  • Maximum forward current: 1A
  • Fast switching speed

Package

The 1N4985US is typically available in a DO-41 package.

Packaging/Quantity

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

Specifications

  • Forward Voltage Drop: 0.7V
  • Reverse Voltage: 200V
  • Maximum Forward Current: 1A
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N4985US has two pins, anode and cathode, with the anode being the positive terminal and the cathode being the negative terminal.

Functional Features

  • High reliability
  • Fast switching speed
  • Low forward voltage drop

Advantages and Disadvantages

Advantages

  • Reliable performance
  • Fast response time
  • Low power dissipation

Disadvantages

  • Limited reverse voltage capability
  • Sensitivity to temperature variations

Working Principles

The 1N4985US operates based on the principle of allowing current to flow in one direction while blocking it in the opposite direction, making it suitable for use as a rectifier diode.

Detailed Application Field Plans

The 1N4985US is widely used in: - Power supply units - Battery chargers - Voltage regulators - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4985US include: - 1N4001 - 1N4148 - 1N5819 - 1N5408

In conclusion, the 1N4985US is a reliable semiconductor diode with fast switching speed and low forward voltage drop, making it suitable for various electronic applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1N4985US בפתרונות טכניים

  1. What is the 1N4985US diode used for?

    • The 1N4985US diode is commonly used for voltage regulation and transient suppression in various technical solutions.

  2. What are the key specifications of the 1N4985US diode?

    • The 1N4985US diode typically has a forward voltage drop of around 0.7V and a maximum reverse voltage of 200V.

  3. How does the 1N4985US diode provide voltage regulation?

    • The 1N4985US diode regulates voltage by allowing current to flow in only one direction, effectively limiting the voltage across the circuit.

  4. In what applications is the 1N4985US diode commonly used?

    • The 1N4985US diode is often used in power supplies, automotive electronics, and industrial control systems for voltage regulation and transient suppression.

  5. What is the maximum current rating of the 1N4985US diode?

    • The 1N4985US diode typically has a maximum current rating of 1A.

  6. How does the 1N4985US diode protect against transients?

    • The 1N4985US diode can suppress voltage spikes and transients by diverting excess current away from sensitive components.

  7. Can the 1N4985US diode be used for reverse polarity protection?

    • Yes, the 1N4985US diode can be employed for reverse polarity protection to prevent damage from incorrect power connections.

  8. What is the temperature range for the 1N4985US diode?

    • The 1N4985US diode typically operates within a temperature range of -65°C to 175°C.

  9. Are there any specific layout considerations when using the 1N4985US diode?

    • It's important to minimize trace lengths and keep the diode close to the components it is protecting to ensure optimal performance.

  10. Can the 1N4985US diode be used in high-frequency applications?

    • While the 1N4985US diode can function in some high-frequency applications, it's essential to consider its capacitance and response time for such scenarios.