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SMBJ54C
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SMBJ54C - English Editing Encyclopedia Entry

Product Overview

Category

The SMBJ54C belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Voltage Suppression: Provides protection against voltage spikes and surges.
  • Fast Response Time: Rapidly clamps transient voltages to a safe level.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuitry.
  • High Surge Current Capability: Can handle high surge currents without degradation.

Package

The SMBJ54C is typically available in a surface-mount package, such as SMB (DO-214AA), which facilitates easy integration onto printed circuit boards (PCBs).

Essence

The essence of the SMBJ54C lies in its ability to safeguard electronic circuits from potentially damaging voltage transients, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

The SMBJ54C is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 54V
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 48.5V
  • Breakdown Voltage: 53.2V
  • Maximum Clamping Voltage: 87.1V
  • Peak Pulse Current: 10A

Detailed Pin Configuration

The SMBJ54C typically features two pins for surface-mount soldering onto PCBs. The pin configuration may vary slightly based on the specific manufacturer's design, but the standard pinout includes anode and cathode connections.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuitry during transient events.
  • Fast Response Time: Rapidly responds to transient voltage spikes, providing swift protection.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ54C operates based on the principle of avalanche breakdown, where it rapidly conducts once the voltage across it exceeds the breakdown voltage. This allows it to divert excessive current away from sensitive components, thereby protecting them from damage.

Detailed Application Field Plans

The SMBJ54C finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ54C include: - P6SMBJ54CA: Similar specifications with a different package (DO-214AA) - SMBJ54CA: Slightly lower peak pulse power rating but compatible with SMB package - 1.5SMC54CA: Higher peak pulse power rating with a different package (DO-214AB)

In conclusion, the SMBJ54C transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in ensuring the reliability and longevity of electronic systems across various industries.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMBJ54C in technische oplossingen

  1. What is the SMBJ54C?

    • The SMBJ54C 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 SMBJ54C?

    • The SMBJ54C has a maximum working voltage of 54 volts.

  3. What is the peak pulse power dissipation of the SMBJ54C?

    • The peak pulse power dissipation of the SMBJ54C is typically 600 watts.

  4. What are the typical applications of the SMBJ54C?

    • The SMBJ54C is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems for transient voltage protection.

  5. What is the clamping voltage of the SMBJ54C?

    • The clamping voltage of the SMBJ54C is the voltage at which it begins to conduct significant current during a transient event, and for the SMBJ54C, it is typically around 87.1 volts.

  6. What is the response time of the SMBJ54C?

    • The response time of the SMBJ54C is very fast, typically responding to transient events in nanoseconds.

  7. How does the SMBJ54C provide protection to electronic circuits?

    • The SMBJ54C diverts excess current away from sensitive components by providing a low-impedance path to ground during transient events, thus protecting the circuits.

  8. What are the environmental specifications of the SMBJ54C?

    • The SMBJ54C is typically rated for operation over a wide temperature range, often from -55°C to 150°C, making it suitable for various environmental conditions.

  9. Is the SMBJ54C RoHS compliant?

    • Yes, the SMBJ54C is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. Can the SMBJ54C be used in high-speed data line protection applications?

    • Yes, the SMBJ54C can be used to protect high-speed data lines such as USB, Ethernet, and HDMI from voltage transients.