Microsemi Corporation
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SMBJ4742AE3/TR13
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SMBJ4742AE3/TR13

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, 600W peak pulse power capability, low clamping voltage, fast response time
  • Package: DO-214AA (SMB), 2.9mm height, 5.3mm width, 6.1mm length
  • Essence: Protects sensitive electronic devices from voltage transients
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage Range: 42.1V to 46.9V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ4742AE3/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 circuits
  • Low clamping voltage limits stress on downstream components

Advantages and Disadvantages

Advantages

  • High peak power dissipation capability
  • Compact package size
  • Wide operating temperature range

Disadvantages

  • Limited breakdown voltage options
  • Sensitive to reverse surge currents

Working Principles

The SMBJ4742AE3/TR13 operates by diverting excess current away from sensitive components when a transient voltage event occurs. It achieves this by rapidly switching into a low impedance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMBJ4742AE3/TR13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ4728AE3/TR13: Breakdown voltage range of 41.4V to 46.0V
  • SMBJ4760AE3/TR13: Breakdown voltage range of 52.8V to 58.7V
  • SMBJ4788AE3/TR13: Breakdown voltage range of 85.5V to 94.5V

In conclusion, the SMBJ4742AE3/TR13 is a reliable transient voltage suppressor diode with high peak power dissipation capability and fast response time, making it suitable for various electronic applications.

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기술 솔루션에 SMBJ4742AE3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the SMBJ4742AE3/TR13?

    • The SMBJ4742AE3/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 SMBJ4742AE3/TR13?

    • The maximum working voltage of SMBJ4742AE3/TR13 is 440V.

  3. What is the peak pulse power of SMBJ4742AE3/TR13?

    • The peak pulse power of SMBJ4742AE3/TR13 is 600W.

  4. What are the typical applications of SMBJ4742AE3/TR13?

    • Typical applications of SMBJ4742AE3/TR13 include protection of electronic circuits in telecommunications equipment, industrial automation, and automotive systems.

  5. What is the clamping voltage of SMBJ4742AE3/TR13?

    • The clamping voltage of SMBJ4742AE3/TR13 is 746V at 10A.

  6. What is the operating temperature range of SMBJ4742AE3/TR13?

    • The operating temperature range of SMBJ4742AE3/TR13 is -55°C to 150°C.

  7. Is SMBJ4742AE3/TR13 RoHS compliant?

    • Yes, SMBJ4742AE3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What package type does SMBJ4742AE3/TR13 come in?

    • SMBJ4742AE3/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. What is the response time of SMBJ4742AE3/TR13?

    • The response time of SMBJ4742AE3/TR13 is very fast, typically responding within nanoseconds to transient voltage events.

  10. Can SMBJ4742AE3/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, SMBJ4742AE3/TR13 is commonly used for overvoltage protection in power supply circuits due to its high surge capability and fast response time.