Vishay Semiconductor Diodes Division
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SMBJ18A-M3/52
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SMBJ18A-M3/52

Product Overview

The SMBJ18A-M3/52 belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMBJ18A-M3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface mount DO-214AA (SMB) package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Voltage Rating: 18V
  • Peak Pulse Power: 600W
  • Breakdown Voltage: 20.2V
  • Clamping Voltage: 29.2V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ18A-M3/52 has two pins, anode, and cathode, which are clearly marked on the device for easy identification and connection within a circuit.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients and surges.
  • Fast Response Time: Quickly responds to overvoltage conditions, safeguarding connected components.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to specific voltage ratings
  • Sensitive to reverse polarity

Working Principles

When the voltage across the SMBJ18A-M3/52 exceeds the breakdown voltage, the diode begins to conduct, diverting excess current away from the protected circuitry and limiting the voltage to a safe level.

Detailed Application Field Plans

The SMBJ18A-M3/52 is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMBJ18A-M3/52 include: - SMAJ18A: Similar characteristics but in a different package (DO-214AC) - P6SMB18A: Higher power handling capability (600W) in a different package (DO-214AA)

In conclusion, the SMBJ18A-M3/52 transient voltage suppressor diode offers reliable protection against voltage transients and surges, making it an essential component in numerous electronic applications.

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تکنیکی حل میں SMBJ18A-M3/52 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the SMBJ18A-M3/52?

    • The SMBJ18A-M3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ18A-M3/52?

    • The maximum peak pulse power of the SMBJ18A-M3/52 is 600 watts.

  3. What is the breakdown voltage of the SMBJ18A-M3/52?

    • The breakdown voltage of the SMBJ18A-M3/52 is 18 volts.

  4. What are the typical applications for the SMBJ18A-M3/52?

    • Typical applications for the SMBJ18A-M3/52 include protection of electronic equipment such as computers, telecommunication equipment, and consumer electronics from voltage transients.

  5. What is the operating temperature range of the SMBJ18A-M3/52?

    • The operating temperature range of the SMBJ18A-M3/52 is -55°C to +150°C.

  6. What is the peak pulse current rating of the SMBJ18A-M3/52?

    • The peak pulse current rating of the SMBJ18A-M3/52 is 50 amperes.

  7. Is the SMBJ18A-M3/52 RoHS compliant?

    • Yes, the SMBJ18A-M3/52 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of the SMBJ18A-M3/52?

    • The SMBJ18A-M3/52 comes in a DO-214AA (SMB) package.

  9. What are the key features of the SMBJ18A-M3/52?

    • Key features of the SMBJ18A-M3/52 include low clamping voltage, fast response time, and high surge capability.

  10. Can the SMBJ18A-M3/52 be used in automotive applications?

    • Yes, the SMBJ18A-M3/52 can be used in automotive applications for protecting sensitive electronics from voltage transients.