Vishay Semiconductor Diodes Division
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1N4148W-G3-18
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1N4148W-G3-18

Product Overview

Category

The 1N4148W-G3-18 belongs to the category of small signal diodes.

Use

It is commonly used in general-purpose switching applications.

Characteristics

  • Fast switching speed
  • High reverse voltage capability
  • Small package size

Package

The 1N4148W-G3-18 is typically available in a surface mount package.

Essence

This diode is essential for controlling the flow of electrical current in various electronic circuits.

Packaging/Quantity

It is usually packaged in reels or tape and reel, with varying quantities depending on the manufacturer.

Specifications

  • Maximum Reverse Voltage: 75V
  • Forward Continuous Current: 300mA
  • Reverse Recovery Time: 4ns
  • Power Dissipation: 500mW

Detailed Pin Configuration

The 1N4148W-G3-18 typically has two pins, with the cathode being marked by a band or other indicator on the body of the diode.

Functional Features

  • Fast switching action
  • Low capacitance
  • High reliability

Advantages

  • Small size
  • Versatile usage
  • Reliable performance

Disadvantages

  • Limited maximum reverse voltage
  • Moderate forward current capability

Working Principles

The 1N4148W-G3-18 operates based on the principles of semiconductor junctions, allowing current to flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

This diode finds applications in: - Signal demodulation - Voltage clamping - Overvoltage protection - High-speed switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4148W-G3-18 include: - 1N914 - 1N4448 - BAV21

In conclusion, the 1N4148W-G3-18 is a versatile small signal diode with fast switching characteristics, making it suitable for a wide range of general-purpose electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4148W-G3-18 en soluciones técnicas

  1. What is the 1N4148W-G3-18 diode used for?

    • The 1N4148W-G3-18 diode is commonly used in signal and switching applications due to its fast switching speed and low forward voltage drop.

  2. What is the maximum forward voltage of the 1N4148W-G3-18 diode?

    • The maximum forward voltage of the 1N4148W-G3-18 diode is typically around 1V at a forward current of 10mA.

  3. What is the reverse breakdown voltage of the 1N4148W-G3-18 diode?

    • The reverse breakdown voltage of the 1N4148W-G3-18 diode is approximately 100V.

  4. Can the 1N4148W-G3-18 diode be used for rectification purposes?

    • While it can be used for rectification in low-voltage applications, it is more commonly used for signal and switching functions.

  5. What are the typical applications of the 1N4148W-G3-18 diode?

    • Typical applications include high-speed switching, protection circuits, signal demodulation, and general-purpose diode applications.

  6. What is the maximum continuous forward current rating of the 1N4148W-G3-18 diode?

    • The maximum continuous forward current rating is typically around 300mA.

  7. Is the 1N4148W-G3-18 diode suitable for high-frequency applications?

    • Yes, the 1N4148W-G3-18 diode's fast switching speed makes it suitable for high-frequency applications such as RF circuits.

  8. What is the temperature range for the 1N4148W-G3-18 diode?

    • The 1N4148W-G3-18 diode is typically rated for operation within a temperature range of -65°C to 175°C.

  9. Can the 1N4148W-G3-18 diode handle surge currents?

    • While it can handle short-duration surge currents, it is not designed for heavy surge current applications.

  10. Are there any specific layout considerations when using the 1N4148W-G3-18 diode in a circuit?

    • It is important to minimize lead lengths and keep the diode close to the components it is interacting with to minimize parasitic effects and ensure proper performance.