Vishay Semiconductor Diodes Division
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SML4748HE3/61
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SML4748HE3/61

Product Overview

The SML4748HE3/61 belongs to the category of diode rectifiers and is commonly used in electronic circuits for various applications. This diode exhibits characteristics such as high efficiency, low forward voltage drop, and fast switching speed. It is typically packaged in a small, surface-mount package, making it suitable for compact electronic designs. The essence of the SML4748HE3/61 lies in its ability to efficiently convert alternating current (AC) to direct current (DC) in electronic circuits. Each package contains a specific quantity of diodes, typically ranging from hundreds to thousands, depending on the manufacturer's specifications.

Specifications

  • Forward Voltage Drop: 0.72V
  • Reverse Voltage: 100V
  • Forward Current: 1A
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SML4748HE3/61 diode has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal in the circuit.

Functional Features

  • High Efficiency: The diode offers minimal power loss during the rectification process.
  • Fast Switching Speed: Enables rapid response in electronic circuits.
  • Low Forward Voltage Drop: Reduces energy dissipation and heat generation.

Advantages and Disadvantages

Advantages

  • Efficient conversion of AC to DC
  • Compact surface-mount package
  • Low forward voltage drop

Disadvantages

  • Limited reverse voltage tolerance
  • Relatively low forward current rating

Working Principles

The SML4748HE3/61 operates based on the principle of semiconductor rectification. When a positive voltage is applied to the anode and a negative voltage to the cathode, the diode allows current to flow, effectively converting AC to DC. Conversely, when the polarity is reversed, the diode blocks the current flow.

Detailed Application Field Plans

The SML4748HE3/61 is widely used in various electronic devices and equipment, including: - Power supplies - Battery chargers - LED lighting systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SML4748HE3/61 diode include: - 1N4001: General-purpose rectifier diode - 1N5819: Schottky barrier diode - 1N5408: High-current rectifier diode

In conclusion, the SML4748HE3/61 diode offers efficient rectification capabilities in a compact package, making it suitable for a wide range of electronic applications. While it has limitations in terms of reverse voltage tolerance and forward current rating, its high efficiency and fast switching speed make it a popular choice in modern electronic designs.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SML4748HE3/61 i tekniska lösningar

  1. What is the SML4748HE3/61 diode used for?

    • The SML4748HE3/61 diode is commonly used for voltage regulation, rectification, and protection in various technical solutions.

  2. What are the key features of the SML4748HE3/61 diode?

    • The SML4748HE3/61 diode features a high surge capability, low forward voltage drop, and fast switching performance, making it suitable for demanding applications.

  3. In what type of technical solutions is the SML4748HE3/61 diode typically employed?

    • The SML4748HE3/61 diode is often used in power supplies, automotive electronics, industrial equipment, and consumer electronics for tasks such as reverse polarity protection and overvoltage clamping.

  4. What is the maximum forward voltage of the SML4748HE3/61 diode?

    • The maximum forward voltage of the SML4748HE3/61 diode is typically around 0.72V at a forward current of 5A.

  5. Can the SML4748HE3/61 diode handle high surge currents?

    • Yes, the SML4748HE3/61 diode is designed to withstand high surge currents, making it suitable for applications with transient overvoltage conditions.

  6. What is the reverse recovery time of the SML4748HE3/61 diode?

    • The reverse recovery time of the SML4748HE3/61 diode is typically very short, enabling fast and efficient switching performance.

  7. Does the SML4748HE3/61 diode have a high temperature tolerance?

    • Yes, the SML4748HE3/61 diode is designed to operate reliably at elevated temperatures, making it suitable for demanding environments.

  8. Is the SML4748HE3/61 diode RoHS compliant?

    • Yes, the SML4748HE3/61 diode is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.

  9. What package type does the SML4748HE3/61 diode come in?

    • The SML4748HE3/61 diode is typically available in a surface mount SMB package, which facilitates easy integration into circuit designs.

  10. Are there any application notes or reference designs available for using the SML4748HE3/61 diode in technical solutions?

    • Yes, manufacturers often provide application notes and reference designs to assist engineers in effectively integrating the SML4748HE3/61 diode into their technical solutions.