Vishay Semiconductor Diodes Division
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SML4749HE3/61
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SML4749HE3/61

Product Overview

The SML4749HE3/61 belongs to the category of surface mount diodes and is commonly used in electronic circuits for various applications. These diodes are known for their high reliability, low leakage current, and fast switching characteristics. The package type for SML4749HE3/61 is SOD-123, and they are available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Forward Voltage: 0.715V
  • Reverse Voltage: 40V
  • Forward Current: 1A
  • Reverse Recovery Time: 4ns
  • Package Type: SOD-123
  • Packaging: Tape and Reel
  • Quantity: 3000 units per reel

Detailed Pin Configuration

The SML4749HE3/61 has a standard SOD-123 package with two pins. Pin 1 is the anode (A) and pin 2 is the cathode (K).

Functional Features

  • High reliability
  • Low leakage current
  • Fast switching speed
  • Small form factor

Advantages

  • Reliable performance
  • Suitable for high-speed applications
  • Compact size

Disadvantages

  • Limited reverse voltage compared to other diodes in the market
  • Not suitable for high-power applications

Working Principles

The SML4749HE3/61 operates based on the principles of semiconductor physics, where the flow of current is controlled by the interaction between P-type and N-type semiconductor materials within the diode structure. When forward biased, the diode allows current to flow, while it blocks the current in reverse bias conditions.

Detailed Application Field Plans

The SML4749HE3/61 diode is widely used in: - Switching power supplies - Voltage clamping circuits - Overvoltage protection circuits - Signal demodulation circuits

Detailed and Complete Alternative Models

Some alternative models to SML4749HE3/61 include: - 1N4148: A general-purpose diode with similar characteristics - 1N5819: Schottky diode with higher reverse voltage capability - BAV99: Dual diode with different configuration options

In conclusion, the SML4749HE3/61 surface mount diode offers reliable performance and fast switching characteristics, making it suitable for various electronic applications. While it has limitations in terms of reverse voltage and power handling, it remains a popular choice for designs requiring compact size and high-speed operation.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SML4749HE3/61 i tekniska lösningar

  1. What is the maximum reverse voltage of SML4749HE3/61?

    • The maximum reverse voltage of SML4749HE3/61 is 40V.

  2. What is the forward current rating of SML4749HE3/61?

    • The forward current rating of SML4749HE3/61 is 1A.

  3. What is the typical junction capacitance of SML4749HE3/61?

    • The typical junction capacitance of SML4749HE3/61 is 15pF.

  4. What are the typical applications for SML4749HE3/61?

    • SML4749HE3/61 is commonly used in voltage clamping, protection circuits, and transient voltage suppression applications.

  5. What is the operating temperature range of SML4749HE3/61?

    • The operating temperature range of SML4749HE3/61 is -55°C to 150°C.

  6. What is the package type of SML4749HE3/61?

    • SML4749HE3/61 comes in a DO-214AC (SMA) package.

  7. What is the peak pulse power dissipation of SML4749HE3/61?

    • The peak pulse power dissipation of SML4749HE3/61 is 500W.

  8. What is the breakdown voltage of SML4749HE3/61?

    • The breakdown voltage of SML4749HE3/61 is typically 45.7V.

  9. What are the key features of SML4749HE3/61?

    • SML4749HE3/61 features low profile, excellent clamping capability, and fast response time.

  10. Can SML4749HE3/61 be used for ESD protection?

    • Yes, SML4749HE3/61 can be used for ESD protection in various electronic devices and systems.