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LL4148-7
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LL4148-7 Diode

Product Overview

Category

LL4148-7 is a small signal diode.

Use

It is commonly used in electronic circuits for switching, signal rectification, and voltage clamping.

Characteristics

  • Small size
  • Fast switching speed
  • High efficiency
  • Low forward voltage drop

Package

LL4148-7 diodes are typically available in a variety of packages including SOD-123, SOD-323, and SOD-523.

Essence

The essence of the LL4148-7 diode lies in its ability to efficiently control the flow of electric current in electronic circuits.

Packaging/Quantity

These diodes are usually packaged in reels or tubes, with quantities ranging from hundreds to thousands per package.

Specifications

  • Maximum repetitive peak reverse voltage: 100V
  • Average rectified forward current: 150mA
  • Non-repetitive peak forward surge current: 2A
  • Operating temperature range: -65°C to +175°C

Detailed Pin Configuration

The LL4148-7 diode has two pins, anode (A) and cathode (K). The anode is typically marked with a band around the diode body.

Functional Features

  • Fast switching speed allows for rapid response in electronic circuits.
  • Low forward voltage drop minimizes power loss.
  • High efficiency ensures effective signal rectification and voltage clamping.

Advantages

  • Small size makes it suitable for compact circuit designs.
  • Fast switching speed enables high-speed applications.
  • Low forward voltage drop reduces power dissipation.

Disadvantages

  • Limited maximum repetitive peak reverse voltage compared to other diodes.
  • Relatively low average rectified forward current rating.

Working Principles

LL4148-7 diodes operate based on the principles of semiconductor physics, utilizing the properties of P-N junctions to control the flow of current in a circuit.

Detailed Application Field Plans

LL4148-7 diodes find extensive use in various electronic applications such as: - Signal rectification in audio amplifiers - Voltage clamping in protection circuits - Switching in digital logic circuits

Detailed and Complete Alternative Models

Alternative models to the LL4148-7 diode include: - 1N4148 - 1N914 - BAV21

In conclusion, the LL4148-7 diode is a versatile component widely used in electronic circuits due to its small size, fast switching speed, and efficient performance. Its application spans across various fields, making it an essential part of modern electronic systems.

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技術ソリューションにおける LL4148-7 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum continuous forward current of LL4148-7?

    • The maximum continuous forward current of LL4148-7 is 150 mA.

  2. What is the peak repetitive reverse voltage of LL4148-7?

    • The peak repetitive reverse voltage of LL4148-7 is 100 V.

  3. Can LL4148-7 be used in high-speed switching applications?

    • Yes, LL4148-7 is suitable for high-speed switching applications due to its fast switching speed.

  4. What is the typical forward voltage drop of LL4148-7 at 10 mA?

    • The typical forward voltage drop of LL4148-7 at 10 mA is around 0.72 V.

  5. Is LL4148-7 suitable for general-purpose rectification?

    • Yes, LL4148-7 is commonly used for general-purpose rectification in various technical solutions.

  6. What is the storage temperature range for LL4148-7?

    • The storage temperature range for LL4148-7 is -65°C to +175°C.

  7. Does LL4148-7 have a low leakage current?

    • Yes, LL4148-7 exhibits low leakage current, making it suitable for precision applications.

  8. Can LL4148-7 be used in signal or data processing circuits?

    • Yes, LL4148-7 is often employed in signal and data processing circuits due to its small size and fast response.

  9. What is the maximum power dissipation of LL4148-7?

    • The maximum power dissipation of LL4148-7 is 500 mW.

  10. Is LL4148-7 RoHS compliant?

    • Yes, LL4148-7 is RoHS compliant, meeting environmental standards for lead-free components.