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SMBJ408CA

SMBJ408CA

Product Overview

Category: Electronic Component
Use: Voltage Suppression in Electronic Circuits
Characteristics: Fast response time, low clamping voltage, compact package
Package: SMB (DO-214AA)
Essence: Transient Voltage Suppressor (TVS) Diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage: 440V
  • Clamping Voltage: 775V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ408CA has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Provides protection against transient voltage spikes
  • Fast response time ensures minimal damage to sensitive components
  • Low clamping voltage limits voltage excursion during transient events

Advantages and Disadvantages

Advantages: - Effective protection for electronic circuits - Fast response time - Compact package size

Disadvantages: - Limited power dissipation capability - Clamping voltage may be too high for some applications

Working Principles

The SMBJ408CA operates by diverting excessive voltage away from sensitive components in the circuit. When a transient voltage spike occurs, the diode rapidly conducts, providing a low impedance path for the excess energy to be dissipated.

Detailed Application Field Plans

  • Telecommunications: Protects communication equipment from lightning-induced surges
  • Automotive Electronics: Safeguards vehicle electronics from voltage transients
  • Industrial Control Systems: Shields control circuitry from power surges and ESD events

Detailed and Complete Alternative Models

  • 1. SMAJ440A: Similar specifications, SMA package
  • 2. P6KE440CA: Higher power dissipation, axial package
  • 3. SMCJ440A: Higher clamping voltage, SMC package

This comprehensive range of alternative models provides flexibility in selecting the most suitable TVS diode for specific application requirements.


This entry provides a detailed overview of the SMBJ408CA, including its product category, basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Énumérez 10 questions et réponses courantes liées à l'application de SMBJ408CA dans les solutions techniques

  1. What is the SMBJ408CA used for?

    • The SMBJ408CA is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.
  2. What is the maximum peak pulse power of the SMBJ408CA?

    • The maximum peak pulse power of the SMBJ408CA is 600 watts.
  3. What is the breakdown voltage of the SMBJ408CA?

    • The breakdown voltage of the SMBJ408CA is 440 volts.
  4. What are the typical applications of the SMBJ408CA?

    • Typical applications of the SMBJ408CA include protection of telecommunications equipment, industrial controls, consumer electronics, and automotive systems.
  5. What is the clamping voltage of the SMBJ408CA?

    • The clamping voltage of the SMBJ408CA is 658 volts at 10A.
  6. What is the operating temperature range of the SMBJ408CA?

    • The operating temperature range of the SMBJ408CA is -55°C to 150°C.
  7. Does the SMBJ408CA meet industry standards for surge protection?

    • Yes, the SMBJ408CA meets industry standards such as IEC 61000-4-5 for surge protection.
  8. Can the SMBJ408CA be used in high-speed data line protection?

    • Yes, the SMBJ408CA is suitable for high-speed data line protection due to its fast response time.
  9. What package type is the SMBJ408CA available in?

    • The SMBJ408CA is available in a DO-214AA (SMB) package.
  10. Is the SMBJ408CA RoHS compliant?

    • Yes, the SMBJ408CA is RoHS compliant, making it suitable for use in environmentally conscious designs.