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SMBJ120C
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SMBJ120C - English Editing Encyclopedia Entry

Product Overview

Category

The SMBJ120C belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability

Package

The SMBJ120C is available in a surface mount package.

Essence

The essence of SMBJ120C lies in its ability to provide robust protection against transient voltage events.

Packaging/Quantity

The SMBJ120C is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 120V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ120C typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

  • Bi-directional TVS diode
  • Low clamping voltage
  • High surge current capability
  • Fast response time

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time ensures minimal impact on the protected circuit
  • Compact surface mount package

Disadvantages

  • Limited peak pulse power handling compared to some higher-power TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the SMBJ120C rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMBJ120C is commonly used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ120C include: - SMAJ120A - SMCJ120CA - P6SMB120A

In conclusion, the SMBJ120C transient voltage suppressor diode offers effective protection against voltage transients in a compact surface mount package. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although designers should consider its limitations in peak pulse power handling when selecting a TVS diode for high-energy transient environments.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ120C en soluciones técnicas

  1. What is the SMBJ120C?

    • The SMBJ120C 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 SMBJ120C?

    • The SMBJ120C has a maximum working voltage of 120 volts.

  3. What is the peak pulse power dissipation of the SMBJ120C?

    • The peak pulse power dissipation of the SMBJ120C is 600 watts.

  4. What are the typical applications of the SMBJ120C?

    • The SMBJ120C is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls for transient voltage protection.

  5. What is the clamping voltage of the SMBJ120C?

    • The clamping voltage of the SMBJ120C is typically around 193 volts at 1 ampere.

  6. What is the response time of the SMBJ120C?

    • The response time of the SMBJ120C is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is the SMBJ120C RoHS compliant?

    • Yes, the SMBJ120C is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. Can the SMBJ120C be used for ESD protection?

    • Yes, the SMBJ120C can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  9. What is the operating temperature range of the SMBJ120C?

    • The SMBJ120C has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Does the SMBJ120C require any external components for proper operation?

    • No, the SMBJ120C does not require any external components for its basic operation as a transient voltage suppressor diode. However, additional circuitry may be needed for specific application requirements.