Vishay Semiconductor Diodes Division
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SMBG12HE3/5B
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SMBG12HE3/5B

Product Overview

Category

The SMBG12HE3/5B belongs to the category of surface mount transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transients in various electronic circuits.

Characteristics

  • Low clamping voltage
  • Fast response time
  • High surge capability
  • RoHS compliant

Package

The SMBG12HE3/5B is typically available in a SMB (DO-215AA) package.

Essence

The essence of the SMBG12HE3/5B lies in its ability to provide reliable protection against voltage surges in electronic circuits.

Packaging/Quantity

The SMBG12HE3/5B is commonly packaged in reels with a quantity varying based on manufacturer specifications.

Specifications

  • Peak Power Dissipation: 1500W
  • Breakdown Voltage Range: 13.3V to 14.7V
  • Maximum Reverse Standoff Voltage: 12V
  • Operating Temperature Range: -55°C to 150°C
  • Mounting Type: Surface Mount
  • Package/Case: SMB

Detailed Pin Configuration

The SMBG12HE3/5B typically has two pins, with the cathode connected to the ground and the anode connected to the protected circuit.

Functional Features

  • Provides effective suppression of voltage transients
  • Fast reaction to transient events
  • Low clamping voltage ensures minimal impact on the protected circuit

Advantages

  • Robust protection against voltage spikes
  • Compact surface mount package
  • Wide operating temperature range

Disadvantages

  • Limited to low voltage applications
  • May require additional circuitry for higher voltage protection

Working Principles

The SMBG12HE3/5B operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBG12HE3/5B is commonly used in: - Consumer electronics - Telecommunications equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMBG12HE3/5B include: - SMAJ12A - SMCJ12CA - P6SMB12CA

In conclusion, the SMBG12HE3/5B is a reliable surface mount transient voltage suppressor diode that offers robust protection against voltage transients in various electronic circuits. Its fast response time, low clamping voltage, and high surge capability make it a preferred choice for applications requiring effective transient voltage suppression.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBG12HE3/5B i tekniska lösningar

  1. What is the SMBG12HE3/5B component used for in technical solutions?

    • The SMBG12HE3/5B is a Schottky barrier diode designed for use in various technical solutions to provide rectification and voltage regulation.

  2. What are the key specifications of the SMBG12HE3/5B?

    • The SMBG12HE3/5B has a maximum repetitive peak reverse voltage of 12V, a forward current of 5A, and a low forward voltage drop.

  3. How does the SMBG12HE3/5B contribute to improving efficiency in technical solutions?

    • By offering low forward voltage drop and high current capability, the SMBG12HE3/5B helps minimize power losses and improve overall system efficiency.

  4. In what applications is the SMBG12HE3/5B commonly used?

    • The SMBG12HE3/5B is frequently employed in power supplies, voltage regulators, and other electronic systems requiring efficient rectification and voltage regulation.

  5. What are the temperature considerations for the SMBG12HE3/5B in technical solutions?

    • The SMBG12HE3/5B is designed to operate within a wide temperature range, making it suitable for diverse environmental conditions.

  6. How does the SMBG12HE3/5B contribute to system reliability?

    • With its robust design and high surge capability, the SMBG12HE3/5B enhances the reliability and longevity of technical solutions.

  7. Can the SMBG12HE3/5B be used in automotive applications?

    • Yes, the SMBG12HE3/5B is suitable for automotive electronics, where its high current handling and rugged construction make it an ideal choice.

  8. Does the SMBG12HE3/5B require any special mounting considerations?

    • The SMBG12HE3/5B can be mounted using standard methods, and its compact package allows for easy integration into various technical solutions.

  9. What are the potential benefits of using the SMBG12HE3/5B in comparison to other diodes?

    • The SMBG12HE3/5B offers lower forward voltage drop and higher current capacity, leading to improved efficiency and performance in technical solutions.

  10. Are there any recommended circuit configurations when using the SMBG12HE3/5B?

    • While specific circuit configurations may vary based on the application, the SMBG12HE3/5B can be effectively utilized in common rectifier and voltage regulation circuits, with appropriate consideration for thermal management and surge protection.