Vishay Semiconductor Diodes Division
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SMBJ188D-M3/H
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SMBJ188D-M3/H

Product Overview

The SMBJ188D-M3/H belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ188D-M3/H is characterized by its high surge capability, low clamping voltage, and compact package design. It is typically available in a surface mount package and is designed to provide essential protection for a wide range of electronic devices.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, compact package
  • Package: Surface mount
  • Essence: Safeguarding sensitive electronic components
  • Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

  • Part Number: SMBJ188D-M3/H
  • Peak Pulse Power: 600W
  • Breakdown Voltage Range: 188V
  • Operating Temperature Range: -55°C to +150°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The SMBJ188D-M3/H typically features a standard SMC (DO-214AB) package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on protected circuits.
  • Low Leakage Current: Ensures minimal power dissipation during normal operation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact and space-saving surface mount package
  • Fast response time for enhanced circuit protection

Disadvantages

  • Limited to unidirectional voltage suppression
  • May require additional components for bidirectional protection

Working Principles

The SMBJ188D-M3/H operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly conducts, diverting excess current away from sensitive components and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ188D-M3/H is widely used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Consumer Electronics: Safeguarding sensitive components in TVs, computers, and home appliances - Automotive Electronics: Providing surge protection for vehicle electronics and control systems - Industrial Equipment: Ensuring reliability in industrial automation and control systems

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5.0V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ24CA: 24V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ58A: 58V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ440A: 440V Breakdown Voltage, 600W Peak Pulse Power

In conclusion, the SMBJ188D-M3/H transient voltage suppressor diode offers effective protection against voltage transients in a compact surface mount package. Its high surge capability and fast response time make it a valuable component in safeguarding a wide range of electronic devices across various industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMBJ188D-M3/H у технічних рішеннях

  1. What is the maximum working voltage of SMBJ188D-M3/H?

    • The maximum working voltage of SMBJ188D-M3/H is 188V.

  2. What is the peak pulse power dissipation of SMBJ188D-M3/H?

    • The peak pulse power dissipation of SMBJ188D-M3/H is 600W.

  3. What is the breakdown voltage of SMBJ188D-M3/H?

    • The breakdown voltage of SMBJ188D-M3/H is typically 209V.

  4. What are the typical applications for SMBJ188D-M3/H?

    • SMBJ188D-M3/H is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of SMBJ188D-M3/H?

    • The operating temperature range of SMBJ188D-M3/H is -55°C to +150°C.

  6. Does SMBJ188D-M3/H meet any specific industry standards?

    • Yes, SMBJ188D-M3/H complies with the requirements of RoHS and is also halogen-free.

  7. What is the clamping voltage of SMBJ188D-M3/H?

    • The clamping voltage of SMBJ188D-M3/H at its peak pulse current is typically 304V.

  8. Is SMBJ188D-M3/H suitable for high-speed data line protection?

    • Yes, SMBJ188D-M3/H is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI.

  9. What package type does SMBJ188D-M3/H come in?

    • SMBJ188D-M3/H is available in a surface mount DO-214AA (SMB) package.

  10. Can SMBJ188D-M3/H be used for ESD protection?

    • Yes, SMBJ188D-M3/H can be used for ESD protection in various electronic devices and systems.