Microsemi Corporation
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SMBJ5945CE3/TR13
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SMBJ5945CE3/TR13

Product Overview

  • Category: Diode
  • Use: Voltage clamping in electronic circuits
  • Characteristics: Transient voltage suppressor diode, 600W power dissipation, 94A peak pulse current, low profile package
  • Package: DO-214AA (SMB), Tape and Reel
  • Packaging/Quantity: 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 51V
  • Voltage - Breakdown (Min): 56.7V
  • Voltage - Clamping (Max) @ Ipp: 82.4V
  • Current - Peak Pulse (10/1000µs): 94A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMBJ5945CE3/TR13 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Provides overvoltage protection for sensitive electronics
  • Fast response time to transient voltage events
  • Low clamping voltage

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • Compact size
  • Quick reaction to voltage spikes

Disadvantages

  • Limited to clamping transient voltages
  • May degrade over time with repeated surges

Working Principles

The SMBJ5945CE3/TR13 operates by diverting excess voltage away from sensitive components in a circuit when a transient voltage event occurs. It acts as a voltage-triggered switch, turning on when the voltage exceeds its clamping level.

Detailed Application Field Plans

The SMBJ5945CE3/TR13 is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMBJ5913B: Similar characteristics, lower breakdown voltage
  • SMBJ5956C: Higher power dissipation, similar clamping voltage

In conclusion, the SMBJ5945CE3/TR13 is a reliable transient voltage suppressor diode suitable for various electronic applications due to its high power dissipation, fast response time, and compact size.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ5945CE3/TR13 en soluciones técnicas

  1. What is the SMBJ5945CE3/TR13?

    • The SMBJ5945CE3/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 SMBJ5945CE3/TR13?

    • The maximum working voltage of the SMBJ5945CE3/TR13 is 51.7V.

  3. What is the peak pulse power dissipation of the SMBJ5945CE3/TR13?

    • The peak pulse power dissipation of the SMBJ5945CE3/TR13 is 600W.

  4. What are the typical applications of the SMBJ5945CE3/TR13?

    • The SMBJ5945CE3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ5945CE3/TR13?

    • The clamping voltage of the SMBJ5945CE3/TR13 is 82.4V at 1A.

  6. What is the operating temperature range of the SMBJ5945CE3/TR13?

    • The operating temperature range of the SMBJ5945CE3/TR13 is -55°C to 150°C.

  7. How does the SMBJ5945CE3/TR13 provide protection?

    • The SMBJ5945CE3/TR13 diverts excess current away from sensitive components by providing a low-impedance path to ground during voltage transients.

  8. Is the SMBJ5945CE3/TR13 RoHS compliant?

    • Yes, the SMBJ5945CE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What package type does the SMBJ5945CE3/TR13 come in?

    • The SMBJ5945CE3/TR13 is available in a surface mount DO-214AA (SMB) package.

  10. Can the SMBJ5945CE3/TR13 be used in high-speed data line protection?

    • Yes, the SMBJ5945CE3/TR13 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces against voltage transients.