Taiwan Semiconductor Corporation
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SMBJ8.0AHM4G
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SMBJ8.0AHM4G

Product Overview

Category

The SMBJ8.0AHM4G belongs to the category of transient voltage suppressor diodes (TVS diodes).

Use

It is used for surge protection in electronic circuits, providing a low clamping voltage during transient events.

Characteristics

  • Low clamping voltage
  • Fast response time
  • High surge current capability

Package

The SMBJ8.0AHM4G is typically available in a surface mount package.

Essence

The essence of this product lies in its ability to protect sensitive electronic components from voltage transients and surges.

Packaging/Quantity

The SMBJ8.0AHM4G is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 8.0V
  • Breakdown Voltage: 8.89V
  • Maximum Clamping Voltage: 14.5V
  • Peak Pulse Current: 36.1A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ8.0AHM4G typically features two pins for surface mount installation. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Provides protection against voltage transients and surges
  • Rapid response to transient events
  • Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Compact size for easy integration into circuit designs

Disadvantages

  • Limited to specific voltage ranges
  • May require additional components for comprehensive surge protection in complex systems

Working Principles

The SMBJ8.0AHM4G operates by diverting excess transient current away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

Telecommunications

Used in communication equipment to safeguard against lightning-induced surges and other transient events.

Automotive Electronics

Integrated into automotive electronics to protect against voltage spikes caused by load dump and other electrical disturbances.

Industrial Control Systems

Utilized in industrial control systems to shield sensitive components from power surges and transients.

Detailed and Complete Alternative Models

  • SMBJ5.0AHM4G: Similar TVS diode with lower standoff voltage
  • SMBJ10AHM4G: TVS diode with higher standoff voltage for different application requirements

In conclusion, the SMBJ8.0AHM4G is a crucial component in electronic circuit protection, offering efficient surge suppression and fast response times. Its compact design and high surge current capability make it suitable for various applications, including telecommunications, automotive electronics, and industrial control systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ8.0AHM4G i tekniska lösningar

  1. What is the SMBJ8.0AHM4G?

    • The SMBJ8.0AHM4G is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of SMBJ8.0AHM4G?

    • The maximum working voltage of SMBJ8.0AHM4G is 8.0 volts.

  3. What is the peak pulse power of SMBJ8.0AHM4G?

    • The peak pulse power of SMBJ8.0AHM4G is typically 600 watts.

  4. What are the typical applications of SMBJ8.0AHM4G?

    • Typical applications of SMBJ8.0AHM4G include protection of sensitive electronic circuits in telecommunications equipment, computers, and consumer electronics.

  5. What is the clamping voltage of SMBJ8.0AHM4G?

    • The clamping voltage of SMBJ8.0AHM4G is typically around 13.4 volts at 10A.

  6. What is the operating temperature range of SMBJ8.0AHM4G?

    • The operating temperature range of SMBJ8.0AHM4G is -55°C to +150°C.

  7. What is the package type of SMBJ8.0AHM4G?

    • SMBJ8.0AHM4G comes in a DO-214AA (SMB) package.

  8. What are the key features of SMBJ8.0AHM4G?

    • Key features of SMBJ8.0AHM4G include low clamping voltage, fast response time, and high surge capability.

  9. How does SMBJ8.0AHM4G provide overvoltage protection?

    • SMBJ8.0AHM4G provides overvoltage protection by diverting excessive current away from sensitive components when a transient event occurs.

  10. What are the recommended layout and placement guidelines for SMBJ8.0AHM4G?

    • It is recommended to place SMBJ8.0AHM4G as close as possible to the protected circuit, with short traces to minimize inductance and maximize its effectiveness in suppressing transients.