Microsemi Corporation
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SMBJ440CAE3/TR13

SMBJ440CAE3/TR13

Product Overview

Category: Diode
Use: Transient Voltage Suppressor (TVS)
Characteristics: Fast response time, low clamping voltage, high surge current capability
Package: DO-214AB (SMC)
Essence: Protects sensitive electronic components from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Peak Pulse Power: 440W
  • Breakdown Voltage: 484V
  • Clamping Voltage: 658V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ440CAE3/TR13 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected components
  • Low clamping voltage limits voltage excursion during an event
  • High surge current capability for robust protection

Advantages

  • Robust protection for sensitive electronic components
  • Fast response time
  • Compact package size
  • Wide operating temperature range

Disadvantages

  • Higher clamping voltage compared to some alternative models
  • Limited peak pulse power compared to higher-rated TVS diodes

Working Principles

The SMBJ440CAE3/TR13 operates by diverting excess transient voltage away from sensitive components, limiting the voltage across the protected circuit. When a transient event occurs, the TVS diode rapidly switches into its low impedance state, shunting the excess energy to ground and protecting downstream components.

Detailed Application Field Plans

  • Telecommunications: Protects communication equipment from lightning-induced surges
  • Industrial Control Systems: Safeguards control systems from voltage transients in harsh environments
  • Automotive Electronics: Shields automotive electronics from voltage spikes due to load dump or other transient events

Detailed and Complete Alternative Models

  • P6KE440CA: Similar characteristics but in a different package (DO-15)
  • SMBJ440A: Lower clamping voltage but with slightly lower surge current capability
  • 1.5SMC440CA: Higher peak pulse power rating but in a larger SMC package

In conclusion, the SMBJ440CAE3/TR13 is a reliable TVS diode that offers robust protection for sensitive electronic components in various applications. Its fast response time, low clamping voltage, and high surge current capability make it a valuable component in safeguarding against transient voltage events.

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Énumérez 10 questions et réponses courantes liées à l'application de SMBJ440CAE3/TR13 dans les solutions techniques

  1. What is the SMBJ440CAE3/TR13?

    • The SMBJ440CAE3/TR13 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 SMBJ440CAE3/TR13?

    • The maximum peak pulse power of the SMBJ440CAE3/TR13 is 600 watts.

  3. What is the breakdown voltage of the SMBJ440CAE3/TR13?

    • The breakdown voltage of the SMBJ440CAE3/TR13 is 484 volts.

  4. What are the typical applications of the SMBJ440CAE3/TR13?

    • The SMBJ440CAE3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics for transient voltage protection.

  5. What is the operating temperature range of the SMBJ440CAE3/TR13?

    • The SMBJ440CAE3/TR13 has an operating temperature range of -55°C to 150°C.

  6. What is the reverse stand-off voltage of the SMBJ440CAE3/TR13?

    • The reverse stand-off voltage of the SMBJ440CAE3/TR13 is 376 volts.

  7. What is the response time of the SMBJ440CAE3/TR13?

    • The response time of the SMBJ440CAE3/TR13 is very fast, typically responding within nanoseconds to clamp transient voltages.

  8. Is the SMBJ440CAE3/TR13 RoHS compliant?

    • Yes, the SMBJ440CAE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What is the package type of the SMBJ440CAE3/TR13?

    • The SMBJ440CAE3/TR13 comes in a surface mount DO-214AA (SMB) package.

  10. Can the SMBJ440CAE3/TR13 be used for ESD protection?

    • Yes, the SMBJ440CAE3/TR13 can also be used for electrostatic discharge (ESD) protection in various electronic circuits.