ON Semiconductor
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SMCJ28A
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SMCJ28A - English Editing Encyclopedia Entry

Product Overview

Category

The SMCJ28A belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for surge protection in electronic circuits to prevent damage from voltage spikes.

Characteristics

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

Package

The SMCJ28A is available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ28A lies in its ability to quickly divert excessive current away from sensitive components, protecting them from overvoltage events.

Packaging/Quantity

The SMCJ28A is typically packaged in reels or trays and is available in quantities ranging from hundreds to thousands per reel/tray.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 28V
  • Maximum Clamping Voltage: 45.4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ28A has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Bi-directional clamping capability
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Fast response to transient overvoltage events
  • High surge capability
  • Wide operating temperature range

Disadvantages

  • Limited breakdown voltage compared to higher-rated TVS diodes
  • Higher clamping voltage than some other TVS diodes

Working Principles

When a voltage spike occurs, the SMCJ28A conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

The SMCJ28A is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMCJ28A include: - P6SMB28A - 1.5SMC28A - SMBJ28A

In conclusion, the SMCJ28A is a reliable TVS diode that provides effective surge protection for a wide range of electronic applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SMCJ28A בפתרונות טכניים

  1. What is the SMCJ28A?

    • The SMCJ28A is a type of transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMCJ28A?

    • The maximum peak pulse power of SMCJ28A is 1500 watts.

  3. What is the breakdown voltage of SMCJ28A?

    • The breakdown voltage of SMCJ28A is 28 volts.

  4. What are the typical applications of SMCJ28A?

    • SMCJ28A is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of SMCJ28A?

    • The response time of SMCJ28A is very fast, typically in the nanosecond range.

  6. How does SMCJ28A provide overvoltage protection?

    • SMCJ28A clamps the voltage to a safe level by diverting excess current away from the protected circuit when a transient event occurs.

  7. What is the operating temperature range of SMCJ28A?

    • The operating temperature range of SMCJ28A is typically -55°C to 150°C.

  8. Can SMCJ28A be used for ESD protection?

    • Yes, SMCJ28A can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  9. What is the package type of SMCJ28A?

    • SMCJ28A is available in a surface mount package, making it suitable for automated assembly processes.

  10. Is SMCJ28A RoHS compliant?

    • Yes, SMCJ28A is RoHS compliant, ensuring it meets environmental standards for hazardous substances.