Microsemi Corporation
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SMBJ4742C/TR13
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SMBJ4742C/TR13

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor (TVS) Diode
Package: DO-214AA (SMB)
Essence: Protects sensitive electronic components from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 42.1V
  • Voltage - Breakdown (Min): 46.7V
  • Voltage - Clamping (Max) @ Ipp: 68V
  • Current - Peak Pulse (10/1000µs): 19.2A
  • Power - Peak Pulse: 600W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMBJ4742C/TR13 has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time
  • Low clamping voltage
  • High surge current capability

Advantages and Disadvantages

Advantages: - Effective in protecting sensitive electronic components - Fast response time ensures minimal damage - Compact size for easy integration into circuit designs

Disadvantages: - May require additional circuitry for comprehensive protection in complex systems - Limited to unidirectional protection

Working Principles

The SMBJ4742C/TR13 operates by diverting excess voltage away from sensitive electronic components when a transient voltage event occurs. It acts as a voltage-triggered switch, rapidly conducting excess current to protect downstream components.

Detailed Application Field Plans

This TVS diode is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ4742B: Lower breakdown voltage
  • SMBJ4743C: Higher breakdown voltage
  • SMBJ4744C: Higher peak pulse power handling capability
  • SMBJ4745C: Lower clamping voltage

In conclusion, the SMBJ4742C/TR13 is a reliable TVS diode that offers effective protection against transient voltage events in a wide range of electronic applications.

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技術ソリューションにおける SMBJ4742C/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the SMBJ4742C/TR13?

    • The SMBJ4742C/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 SMBJ4742C/TR13?

    • The maximum working voltage of SMBJ4742C/TR13 is 440V.

  3. What is the peak pulse power dissipation of SMBJ4742C/TR13?

    • The peak pulse power dissipation of SMBJ4742C/TR13 is 600W.

  4. What are the typical applications of SMBJ4742C/TR13?

    • Typical applications of SMBJ4742C/TR13 include protection of electronic circuits in telecommunications equipment, industrial automation, and power supplies.

  5. What is the clamping voltage of SMBJ4742C/TR13?

    • The clamping voltage of SMBJ4742C/TR13 is 746V at 10A.

  6. What is the operating temperature range of SMBJ4742C/TR13?

    • The operating temperature range of SMBJ4742C/TR13 is -55°C to +150°C.

  7. What is the package type of SMBJ4742C/TR13?

    • SMBJ4742C/TR13 comes in a DO-214AA (SMB) package.

  8. How does SMBJ4742C/TR13 provide overvoltage protection?

    • SMBJ4742C/TR13 provides overvoltage protection by diverting excessive current away from sensitive components when a voltage spike occurs.

  9. Is SMBJ4742C/TR13 RoHS compliant?

    • Yes, SMBJ4742C/TR13 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  10. What are the key features of SMBJ4742C/TR13?

    • The key features of SMBJ4742C/TR13 include low clamping voltage, fast response time, and high surge capability, making it an effective solution for transient voltage protection.