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SMBJ78CA-HR
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SMBJ78CA-HR

Product Overview

Category

The SMBJ78CA-HR belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMBJ78CA-HR is typically available in a surface mount package.

Essence

The essence of the SMBJ78CA-HR lies in its ability to provide robust protection for electronic circuits against transient voltage events.

Packaging/Quantity

The SMBJ78CA-HR is commonly packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 78V
  • Breakdown Voltage: 86.7V
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 66.3V
  • Maximum Clamping Voltage: 106V

Detailed Pin Configuration

The SMBJ78CA-HR typically has two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Transient voltage suppression
  • Bi-directional clamping
  • High surge current handling capability

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ78CA-HR operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ78CA-HR finds application in various fields, including: - Telecommunications equipment - Industrial automation systems - Consumer electronics - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMBJ78CA-HR include: - SMAJ78A - P6SMBJ78A - SMCJ78A - 1.5SMCJ78A

In conclusion, the SMBJ78CA-HR is a vital component in safeguarding electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its compact size makes it suitable for a wide range of applications, although it may require additional circuitry for comprehensive overvoltage protection in certain scenarios.

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  1. What is the SMBJ78CA-HR used for?

    • The SMBJ78CA-HR is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ78CA-HR?

    • The maximum working voltage of the SMBJ78CA-HR is 78V.

  3. What is the peak pulse current rating of the SMBJ78CA-HR?

    • The peak pulse current rating of the SMBJ78CA-HR is typically 30A.

  4. What are the typical applications of the SMBJ78CA-HR?

    • The SMBJ78CA-HR is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  5. What is the response time of the SMBJ78CA-HR?

    • The response time of the SMBJ78CA-HR is very fast, typically responding to transient events within nanoseconds.

  6. Is the SMBJ78CA-HR RoHS compliant?

    • Yes, the SMBJ78CA-HR is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  7. What is the operating temperature range of the SMBJ78CA-HR?

    • The SMBJ78CA-HR has an operating temperature range of -55°C to 150°C.

  8. Does the SMBJ78CA-HR require any external components for proper operation?

    • The SMBJ78CA-HR does not require any external components for its basic operation, but additional circuitry may be needed depending on the specific application.

  9. Can the SMBJ78CA-HR be used for surge protection in automotive electronics?

    • Yes, the SMBJ78CA-HR is suitable for surge protection in automotive electronics due to its high reliability and robustness.

  10. What packaging options are available for the SMBJ78CA-HR?

    • The SMBJ78CA-HR is available in various package types, including DO-214AA (SMB) and DO-214AB (SMC), providing flexibility for different design requirements.