ON Semiconductor
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1SMC78AT3
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1SMC78AT3

Product Overview

Category

The 1SMC78AT3 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

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

Package

The 1SMC78AT3 is typically available in a DO-214AB (SMC) package.

Essence

The essence of the 1SMC78AT3 lies in its ability to provide robust protection against transient overvoltage conditions.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 78V
  • Breakdown Voltage: 86.7V
  • Maximum Clamping Voltage: 126V
  • Peak Pulse Current: 5.8A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 1SMC78AT3 typically has two pins, with the cathode connected to the marked terminal and the anode to the unmarked terminal.

Functional Features

  • Transient voltage suppression
  • Protection against voltage transients and surges
  • Fast response to transient events

Advantages

  • Robust protection for sensitive electronic components
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited peak pulse current compared to higher-rated devices
  • Higher cost compared to standard diodes

Working Principles

When a transient voltage spike occurs, the 1SMC78AT3 conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

The 1SMC78AT3 is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1SMC78AT3 include: - P6SMB78AT3 - SMBJ78CA - SMCJ78A

In conclusion, the 1SMC78AT3 is a crucial component in safeguarding electronic circuits from transient voltage events, finding widespread use across various industries due to its reliable performance and protective capabilities.

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기술 솔루션에 1SMC78AT3 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is 1SMC78AT3?

    • 1SMC78AT3 is a TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage spikes and transient events.

  2. What is the maximum peak pulse power of 1SMC78AT3?

    • The maximum peak pulse power of 1SMC78AT3 is 1500 watts.

  3. What is the breakdown voltage of 1SMC78AT3?

    • The breakdown voltage of 1SMC78AT3 is 78 volts.

  4. What are the typical applications of 1SMC78AT3?

    • 1SMC78AT3 is commonly used in automotive electronics, industrial equipment, telecommunication systems, and other applications requiring protection against voltage transients.

  5. What is the operating temperature range of 1SMC78AT3?

    • The operating temperature range of 1SMC78AT3 is -55°C to +150°C.

  6. How does 1SMC78AT3 provide protection to electronic circuits?

    • 1SMC78AT3 clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  7. Is 1SMC78AT3 RoHS compliant?

    • Yes, 1SMC78AT3 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What package type does 1SMC78AT3 come in?

    • 1SMC78AT3 is available in a DO-214AB (SMC) package.

  9. What are the key features of 1SMC78AT3?

    • Key features of 1SMC78AT3 include low incremental surge resistance, fast response time, and high reliability.

  10. Can 1SMC78AT3 be used for surge protection in power supply units?

    • Yes, 1SMC78AT3 is suitable for surge protection in power supply units, providing robust protection against voltage surges and transients.