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SMBJ78CA-HRA
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SMBJ78CA-HRA

Product Overview

Category

The SMBJ78CA-HRA 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-HRA is available in a surface mount DO-214AA (SMB) package.

Essence

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

Packaging/Quantity

The SMBJ78CA-HRA is typically packaged in reels or trays and is available in quantities suitable for both prototyping and production purposes.

Specifications

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

Detailed Pin Configuration

The SMBJ78CA-HRA TVS diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

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

Advantages and Disadvantages

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 in some applications
  • Limited to specific voltage ranges

Working Principles

The SMBJ78CA-HRA TVS diode works by diverting excess transient voltage away from the protected circuit, thereby limiting the voltage across the circuit to a safe level. When a transient voltage event occurs, the diode rapidly conducts, providing a low impedance path for the excess energy to be dissipated.

Detailed Application Field Plans

The SMBJ78CA-HRA 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 SMBJ78CA-HRA TVS diode include: - SMAJ78A - P6SMBJ78A - SMCJ78A - 1.5SMCJ78A

In conclusion, the SMBJ78CA-HRA TVS 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 SMBJ78CA-HRA v technických řešeních

  1. What is the SMBJ78CA-HRA?

    • The SMBJ78CA-HRA 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-HRA?

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

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

    • The SMBJ78CA-HRA has a peak pulse current rating of 30A.

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

    • Typical applications of the SMBJ78CA-HRA include protection of electronic circuits in telecommunications equipment, industrial automation, and automotive electronics.

  5. What is the response time of the SMBJ78CA-HRA to voltage transients?

    • The response time of the SMBJ78CA-HRA to voltage transients is very fast, typically in the nanosecond range.

  6. Is the SMBJ78CA-HRA RoHS compliant?

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

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

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

  8. Can the SMBJ78CA-HRA be used for surge protection in power supply units?

    • Yes, the SMBJ78CA-HRA is suitable for surge protection in power supply units and can help safeguard sensitive components from voltage surges.

  9. Does the SMBJ78CA-HRA require any external components for proper operation?

    • The SMBJ78CA-HRA does not require any external components for its basic operation, but appropriate circuit design and layout considerations are recommended for optimal performance.

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

    • The SMBJ78CA-HRA is available in various packaging options, including SMB, SMC, and DO-214AA, providing flexibility for different application requirements.