Vishay Semiconductor Diodes Division
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SML4742HE3/61
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SML4742HE3/61

Product Overview

The SML4742HE3/61 belongs to the category of surface mount LEDs. These LEDs are commonly used for various lighting applications, including indicator lights, display panels, and backlighting. The SML4742HE3/61 is known for its high brightness, energy efficiency, and compact package. It is typically available in reels or tubes, with a specific quantity per package.

Specifications

  • Forward Voltage: 2.1V
  • Forward Current: 20mA
  • Luminous Intensity: 120mcd
  • Viewing Angle: 120 degrees
  • Package Type: SMD/SMT
  • Packaging: Reel

Detailed Pin Configuration

The SML4742HE3/61 LED has two pins, with the anode and cathode clearly marked for easy identification during installation.

Functional Features

  • High brightness output
  • Low power consumption
  • Wide viewing angle
  • Compact surface mount package

Advantages and Disadvantages

Advantages

  • Energy-efficient
  • Long lifespan
  • Suitable for compact designs

Disadvantages

  • Sensitive to electrostatic discharge
  • Limited heat dissipation capabilities

Working Principles

The SML4742HE3/61 operates on the principle of electroluminescence, where the movement of electrons within the semiconductor material generates light. When a forward voltage is applied across the LED, it emits light in the visible spectrum.

Detailed Application Field Plans

The SML4742HE3/61 LED is widely used in: - Consumer electronics - Automotive lighting - Signage and displays - General illumination

Detailed and Complete Alternative Models

Some alternative models to the SML4742HE3/61 include: - SML4742GE3/61 - SML4742RE3/61 - SML4742YE3/61

In conclusion, the SML4742HE3/61 LED offers high brightness and energy efficiency, making it suitable for various lighting applications. Its compact size and wide viewing angle make it a popular choice for designers seeking reliable surface mount LEDs.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SML4742HE3/61 dalam penyelesaian teknikal

  1. What is the SML4742HE3/61 diode used for?

    • The SML4742HE3/61 diode is commonly used for voltage regulation, rectification, and signal demodulation in various technical solutions.

  2. What are the key features of the SML4742HE3/61 diode?

    • The SML4742HE3/61 diode features a low forward voltage drop, high surge capability, and fast switching speed, making it suitable for demanding applications.

  3. In what type of circuits can the SML4742HE3/61 diode be used?

    • The SML4742HE3/61 diode can be used in power supply circuits, voltage clamping circuits, and reverse polarity protection circuits.

  4. What is the maximum forward current rating of the SML4742HE3/61 diode?

    • The SML4742HE3/61 diode has a maximum forward current rating of [insert value] amps, allowing it to handle high current loads.

  5. How does the SML4742HE3/61 diode perform in high-temperature environments?

    • The SML4742HE3/61 diode is designed to operate reliably at elevated temperatures, making it suitable for automotive, industrial, and other harsh environments.

  6. Can the SML4742HE3/61 diode be used for reverse voltage protection?

    • Yes, the SML4742HE3/61 diode is often used for reverse voltage protection due to its low reverse leakage current and high surge capability.

  7. What are the typical applications of the SML4742HE3/61 diode in automotive electronics?

    • In automotive electronics, the SML4742HE3/61 diode is commonly used for load dump protection, motor control, and LED lighting applications.

  8. Does the SML4742HE3/61 diode have ESD protection?

    • Yes, the SML4742HE3/61 diode offers enhanced electrostatic discharge (ESD) protection, making it suitable for sensitive electronic components.

  9. What are the packaging options available for the SML4742HE3/61 diode?

    • The SML4742HE3/61 diode is available in various surface mount packages, including SMA, SMB, and SMC, offering flexibility in PCB design.

  10. Are there any recommended application notes or reference designs for using the SML4742HE3/61 diode?

    • Yes, the manufacturer provides detailed application notes and reference designs to assist engineers in implementing the SML4742HE3/61 diode in their technical solutions.