Vishay Semiconductor Diodes Division
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SMBJ78AHE3/52
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SMBJ78AHE3/52

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, 600W peak pulse power capability, low clamping voltage, fast response time
  • Package: DO-214AA (SMB), 2-pin
  • Essence: Protects sensitive electronic devices from voltage transients
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 78V
  • Clamping Voltage: 106V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ78AHE3/52 has a simple 2-pin configuration with no polarity.

Functional Features

  • Provides transient voltage suppression for electronic circuits
  • Fast response time ensures minimal damage to protected devices
  • Low clamping voltage protects against overvoltage events

Advantages and Disadvantages

Advantages

  • High peak pulse power capability
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited breakdown voltage compared to some alternatives
  • Sensitive to temperature extremes

Working Principles

The SMBJ78AHE3/52 operates by diverting excess voltage away from sensitive components in electronic circuits, thereby protecting them from damage due to transient voltage events.

Detailed Application Field Plans

This diode is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE78CA
  • Alternative Model 2: 1.5SMC78CA
  • Alternative Model 3: SA78CA

In conclusion, the SMBJ78AHE3/52 diode provides effective transient voltage suppression for a wide range of electronic applications, offering high peak pulse power capability and fast response time. However, its limited breakdown voltage and sensitivity to temperature extremes should be considered when selecting it for specific applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMBJ78AHE3/52 dalam solusi teknis

  1. What is the SMBJ78AHE3/52?

    • The SMBJ78AHE3/52 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 the SMBJ78AHE3/52?

    • The maximum working voltage of the SMBJ78AHE3/52 is 78V.

  3. What is the peak pulse power of the SMBJ78AHE3/52?

    • The peak pulse power of the SMBJ78AHE3/52 is 600W.

  4. What are the typical applications for the SMBJ78AHE3/52?

    • The SMBJ78AHE3/52 is commonly used in applications such as telecommunications equipment, industrial automation, and automotive electronics to protect against voltage transients.

  5. What is the operating temperature range of the SMBJ78AHE3/52?

    • The operating temperature range of the SMBJ78AHE3/52 is -55°C to 150°C.

  6. What is the breakdown voltage of the SMBJ78AHE3/52?

    • The breakdown voltage of the SMBJ78AHE3/52 is typically 86.7V.

  7. Is the SMBJ78AHE3/52 RoHS compliant?

    • Yes, the SMBJ78AHE3/52 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What is the package type of the SMBJ78AHE3/52?

    • The SMBJ78AHE3/52 comes in a DO-214AA (SMB) package.

  9. Can the SMBJ78AHE3/52 be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ78AHE3/52 is suitable for providing overvoltage protection in power supply circuits to safeguard sensitive components.

  10. What are the key features of the SMBJ78AHE3/52?

    • The SMBJ78AHE3/52 features low clamping voltage, fast response time, and high surge capability, making it an effective solution for transient voltage suppression.