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SMBJ85A-TR
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SMBJ85A-TR

Product Overview

Category

The SMBJ85A-TR 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, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMBJ85A-TR is typically available in a surface mount package.

Essence

The essence of the SMBJ85A-TR lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

It is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 85V
  • Breakdown Voltage: 94.4V
  • Maximum Clamping Voltage: 137V
  • Peak Pulse Current: 10A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ85A-TR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Bi-directional clamping capability
  • Low incremental surge resistance
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Provides effective protection against voltage transients
  • Fast response time ensures minimal impact on the protected circuit
  • Compact size for easy integration into circuit designs

Disadvantages

  • Limited to specific voltage ranges
  • May require additional components for comprehensive overvoltage protection

Working Principles

The SMBJ85A-TR operates by shunting excess current away from sensitive components when a transient voltage event occurs. It achieves this through rapid conduction, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ85A-TR finds application in various fields including: - Telecommunications equipment - Industrial automation systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ85A-TR include: - SMAJ85A-TR - SMCJ85A-TR - P6SMBJ85A-TR

In conclusion, the SMBJ85A-TR is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its compact size and bi-directional clamping make it suitable for a wide range of applications, although designers should consider its limitations and potential need for supplementary protection measures.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de SMBJ85A-TR em soluções técnicas

  1. What is the SMBJ85A-TR used for?

    • The SMBJ85A-TR 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 SMBJ85A-TR?

    • The SMBJ85A-TR has a maximum working voltage of 85 volts.

  3. What is the peak pulse power dissipation of the SMBJ85A-TR?

    • The peak pulse power dissipation of the SMBJ85A-TR is 600 watts.

  4. What are the typical applications of the SMBJ85A-TR?

    • Typical applications of the SMBJ85A-TR include protection of electronic circuits in telecommunications equipment, industrial controls, consumer electronics, and automotive systems.

  5. What is the clamping voltage of the SMBJ85A-TR?

    • The clamping voltage of the SMBJ85A-TR is 137 volts at 10A.

  6. What is the operating temperature range of the SMBJ85A-TR?

    • The SMBJ85A-TR operates within a temperature range of -55°C to +150°C.

  7. Does the SMBJ85A-TR meet any specific industry standards?

    • Yes, the SMBJ85A-TR complies with the requirements of RoHS and is also available in AEC-Q101 qualified versions for automotive applications.

  8. Can the SMBJ85A-TR be used for surge protection in power supply units?

    • Yes, the SMBJ85A-TR is suitable for surge protection in power supply units and can help safeguard against voltage surges and transients.

  9. Is the SMBJ85A-TR available in surface mount packages?

    • Yes, the SMBJ85A-TR is available in a surface mount package, making it suitable for automated assembly processes.

  10. What are the recommended PCB layout considerations when using the SMBJ85A-TR?

    • It is recommended to minimize the length and area of the traces connecting the SMBJ85A-TR to the protected circuit, and to ensure proper grounding and thermal management for optimal performance.