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SMBJ78A-HR
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SMBJ78A-HR

Product Overview

Category

The SMBJ78A-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 SMBJ78A-HR is available in a surface mount DO-214AA (SMB) package.

Essence

The essence of the SMBJ78A-HR is to provide robust protection for electronic circuits against transient voltage events.

Packaging/Quantity

The SMBJ78A-HR is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 78V
  • Breakdown Voltage: 86.7V
  • Maximum Clamping Voltage: 126V
  • Peak Pulse Current: 10A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ78A-HR has two pins: 1. Anode 2. Cathode

Functional Features

  • Bi-directional TVS diode
  • Low incremental surge resistance
  • High temperature stability

Advantages

  • Provides effective protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • RoHS compliant, making it environmentally friendly

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the SMBJ78A-HR rapidly conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBJ78A-HR is commonly used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ78A-HR include: - SMAJ78A-HR - SMCJ78A-HR - P6SMBJ78A-HR

In conclusion, the SMBJ78A-HR transient voltage suppressor diode offers reliable protection against transient voltage events and finds widespread use in diverse electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ78A-HR v technických řešeních

Sure, here are 10 common questions and answers related to the application of SMBJ78A-HR in technical solutions:

  1. What is the maximum peak pulse power dissipation of SMBJ78A-HR?

    • The maximum peak pulse power dissipation of SMBJ78A-HR is 600 watts for a 10/1000 µs waveform.

  2. What is the breakdown voltage of SMBJ78A-HR?

    • The breakdown voltage of SMBJ78A-HR is typically 86.7 volts.

  3. Can SMBJ78A-HR be used for overvoltage protection in automotive electronics?

    • Yes, SMBJ78A-HR is suitable for overvoltage protection in automotive electronics due to its high reliability and transient voltage suppression capabilities.

  4. What is the operating temperature range of SMBJ78A-HR?

    • The operating temperature range of SMBJ78A-HR is -55°C to +150°C, making it suitable for a wide range of environments.

  5. Is SMBJ78A-HR RoHS compliant?

    • Yes, SMBJ78A-HR is RoHS compliant, ensuring that it meets environmental standards for hazardous substance restrictions.

  6. What is the typical clamping voltage of SMBJ78A-HR?

    • The typical clamping voltage of SMBJ78A-HR is 103 volts at 10A, providing effective protection against transient overvoltages.

  7. Can SMBJ78A-HR be used in telecommunications equipment?

    • Yes, SMBJ78A-HR can be used in telecommunications equipment to protect sensitive components from voltage transients and surges.

  8. Does SMBJ78A-HR have a low leakage current?

    • Yes, SMBJ78A-HR has a low leakage current, which is important for minimizing power consumption and maintaining signal integrity.

  9. What package type does SMBJ78A-HR come in?

    • SMBJ78A-HR is available in a DO-214AA (SMB) package, which is a surface-mount package suitable for automated assembly processes.

  10. Is SMBJ78A-HR suitable for use in industrial control systems?

    • Yes, SMBJ78A-HR is well-suited for use in industrial control systems to protect sensitive circuitry from voltage spikes and transients commonly found in industrial environments.

I hope these questions and answers are helpful for your technical solutions! If you need further assistance, feel free to ask.