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SMBJ4746/TR13

SMBJ4746/TR13

Product Overview

Category

SMBJ4746/TR13 belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices 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 SMBJ4746/TR13 comes in a surface-mount package.

Essence

The essence of SMBJ4746/TR13 lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

It is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 52.4V
  • Maximum Clamping Voltage: 85V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4746/TR13 has a standard SOD-123FL package with two pins.

Functional Features

  • Bidirectional transient voltage suppression
  • Low leakage current
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • High surge current handling capability
  • Fast response time
  • Compact surface-mount package

Disadvantages

  • Limited power dissipation capability
  • Clamping voltage may be higher than some alternative models

Working Principles

When a transient voltage spike occurs, the SMBJ4746/TR13 conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

Telecommunications

Used in communication equipment to safeguard against lightning-induced surges.

Automotive Electronics

Protects sensitive automotive electronics from voltage transients caused by alternator load dump and other electrical disturbances.

Industrial Control Systems

Provides overvoltage protection for industrial control systems in harsh environments.

Detailed and Complete Alternative Models

  • SMBJ5.0A: Similar characteristics but with a lower breakdown voltage of 5.0V.
  • SMBJ10A: Higher power dissipation capability compared to SMBJ4746/TR13.

In conclusion, the SMBJ4746/TR13 transient voltage suppressor diode offers effective protection against voltage transients in various electronic applications, despite its limitations in power dissipation. Its compact size and high surge current handling make it a popular choice for designers seeking reliable overvoltage protection.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ4746/TR13 v technických řešeních

  1. What is the SMBJ4746/TR13?

    • The SMBJ4746/TR13 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 SMBJ4746/TR13?

    • The maximum working voltage of the SMBJ4746/TR13 is 440V.
  3. What is the peak pulse power of the SMBJ4746/TR13?

    • The peak pulse power of the SMBJ4746/TR13 is 600W.
  4. What are the typical applications of the SMBJ4746/TR13?

    • The SMBJ4746/TR13 is commonly used in applications such as power supplies, telecommunications equipment, industrial controls, and automotive electronics.
  5. What is the operating temperature range of the SMBJ4746/TR13?

    • The operating temperature range of the SMBJ4746/TR13 is -55°C to +150°C.
  6. How does the SMBJ4746/TR13 provide protection against voltage transients?

    • The SMBJ4746/TR13 clamps the voltage to a safe level by diverting excess current away from sensitive components.
  7. Is the SMBJ4746/TR13 RoHS compliant?

    • Yes, the SMBJ4746/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.
  8. What is the package type of the SMBJ4746/TR13?

    • The SMBJ4746/TR13 comes in a surface mount DO-214AA (SMB) package.
  9. What are the key features of the SMBJ4746/TR13?

    • Some key features of the SMBJ4746/TR13 include low clamping voltage, fast response time, and high surge capability.
  10. Where can I find detailed specifications and application notes for the SMBJ4746/TR13?

    • Detailed specifications and application notes for the SMBJ4746/TR13 can be found in the product datasheet provided by the manufacturer.