Vishay Semiconductor Diodes Division
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SMBJ45C-E3/5B
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SMBJ45C-E3/5B

Product Overview

The SMBJ45C-E3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their high surge capability, fast response time, and compact package size. The SMBJ45C-E3/5B is typically available in a surface mount package and is designed to protect sensitive electronic components from voltage transients.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Surge Protection in Electronic Circuits
  • Characteristics: High Surge Capability, Fast Response Time
  • Package: Surface Mount
  • Essence: Protecting Sensitive Electronic Components
  • Packaging/Quantity: Typically Available in Reel Packaging

Specifications

  • Voltage - Reverse Standoff (Typ): 45V
  • Power (Watts): 600W
  • Polarization: Unidirectional
  • Breakdown Voltage: 50.2V
  • Clamping Voltage: 77.4V
  • Peak Pulse Current: 16.7A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ45C-E3/5B typically features a standard surface mount diode pin configuration with two terminals for connection to the circuit board.

Functional Features

  • Surge Protection: Provides effective protection against voltage transients.
  • Fast Response Time: Rapidly clamps transient voltages to safe levels.
  • Compact Design: Suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components.
  • Fast response time ensures minimal impact on the protected circuit.
  • Compact size allows for versatile integration into various electronic designs.

Disadvantages

  • Limited to unidirectional surge protection.
  • May require additional components for bidirectional surge protection.

Working Principles

The SMBJ45C-E3/5B operates by diverting excessive transient current away from sensitive components when a voltage surge occurs. Upon detecting a surge, the diode rapidly clamps the transient voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMBJ45C-E3/5B is widely used in applications where protection against voltage transients is critical, such as: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A-E3/52: 5V Reverse Standoff Voltage, 600W Power
  • SMBJ15A-E3/52: 15V Reverse Standoff Voltage, 600W Power
  • SMBJ30A-E3/52: 30V Reverse Standoff Voltage, 600W Power
  • SMBJ58A-E3/52: 58V Reverse Standoff Voltage, 600W Power

In conclusion, the SMBJ45C-E3/5B transient voltage suppressor diode offers reliable surge protection with its high surge capability, fast response time, and compact package, making it an essential component in safeguarding sensitive electronic circuits.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ45C-E3/5B i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of SMBJ45C-E3/5B in technical solutions:

  1. What is the SMBJ45C-E3/5B?

    • The SMBJ45C-E3/5B is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of SMBJ45C-E3/5B?

    • The maximum peak pulse power of SMBJ45C-E3/5B is 600 watts.

  3. What is the breakdown voltage of SMBJ45C-E3/5B?

    • The breakdown voltage of SMBJ45C-E3/5B is 45 volts.

  4. What are the typical applications of SMBJ45C-E3/5B?

    • Typical applications of SMBJ45C-E3/5B include protection of telecommunications equipment, power supplies, consumer electronics, and automotive electronics from voltage surges.

  5. What is the operating temperature range of SMBJ45C-E3/5B?

    • The operating temperature range of SMBJ45C-E3/5B is -55°C to +150°C.

  6. What is the response time of SMBJ45C-E3/5B?

    • The response time of SMBJ45C-E3/5B is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is SMBJ45C-E3/5B RoHS compliant?

    • Yes, SMBJ45C-E3/5B is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. Can SMBJ45C-E3/5B be used in high-speed data line protection?

    • Yes, SMBJ45C-E3/5B can be used to protect high-speed data lines such as Ethernet, USB, and HDMI from voltage transients.

  9. What is the package type of SMBJ45C-E3/5B?

    • SMBJ45C-E3/5B is available in a compact SMB (DO-214AA) package, making it suitable for space-constrained applications.

  10. Does SMBJ45C-E3/5B require external heat sinking?

    • No, SMBJ45C-E3/5B does not require external heat sinking due to its low power dissipation and fast response time.

I hope these questions and answers provide helpful information about the application of SMBJ45C-E3/5B in technical solutions. Let me know if you need further assistance!