Microsemi Corporation
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SMBJ4740A/TR13
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SMBJ4740A/TR13

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, low clamping voltage, fast response time
  • Package: DO-214AA (SMB), 2-pin
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 40V
  • Voltage - Breakdown (Min): 44.4V
  • Clamping Voltage (Max) @ Ipp: 64.5V
  • Peak Pulse Current: 10A
  • Power Dissipation (Max): 600W
  • Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The SMBJ4740A/TR13 has a simple 2-pin configuration with no specific pinout requirements.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time to clamp transient voltages
  • Low clamping voltage ensures minimal impact on the protected circuit

Advantages and Disadvantages

Advantages

  • Effective protection of sensitive electronic components
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited peak pulse current handling compared to some higher-rated devices
  • Requires careful consideration of placement in the circuit for optimal protection

Working Principles

The SMBJ4740A/TR13 operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. 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 SMBJ4740A/TR13 is commonly used in various electronic systems where protection against transient voltage events is required. Some typical applications include: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMBJ4728A/TR13: 28V reverse standoff voltage, similar characteristics
  • SMBJ4763A/TR13: 63V reverse standoff voltage, similar characteristics
  • SMBJ4785A/TR13: 85V reverse standoff voltage, similar characteristics

In conclusion, the SMBJ4740A/TR13 is a reliable transient voltage suppressor diode that offers effective protection for sensitive electronic components in various applications.

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Texniki həllərdə SMBJ4740A/TR13 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the SMBJ4740A/TR13?

    • The SMBJ4740A/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 SMBJ4740A/TR13?

    • The maximum working voltage of the SMBJ4740A/TR13 is 440V.

  3. What is the peak pulse power dissipation of the SMBJ4740A/TR13?

    • The peak pulse power dissipation of the SMBJ4740A/TR13 is 600W.

  4. What are the typical applications of the SMBJ4740A/TR13?

    • The SMBJ4740A/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the operating temperature range of the SMBJ4740A/TR13?

    • The operating temperature range of the SMBJ4740A/TR13 is -55°C to +150°C.

  6. How does the SMBJ4740A/TR13 provide protection against voltage transients?

    • The SMBJ4740A/TR13 clamps the transient voltage to a safe level and diverts the excessive current away from the protected circuit.

  7. Is the SMBJ4740A/TR13 RoHS compliant?

    • Yes, the SMBJ4740A/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What is the package type of the SMBJ4740A/TR13?

    • The SMBJ4740A/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. What are the key features of the SMBJ4740A/TR13?

    • The key features of the SMBJ4740A/TR13 include low clamping voltage, fast response time, and high surge capability.

  10. Where can I find detailed specifications and application notes for the SMBJ4740A/TR13?

    • Detailed specifications and application notes for the SMBJ4740A/TR13 can be found in the product datasheet provided by the manufacturer.