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SMBJ14CA-HR
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SMBJ14CA-HR

Introduction

The SMBJ14CA-HR is a specialized electronic component belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are commonly used to protect sensitive electronic circuits from voltage spikes and transients. The SMBJ14CA-HR is designed to provide robust protection against transient overvoltage events, making it an essential component in various electronic systems.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: Safeguarding electronic circuits from transient overvoltage events
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Part Number: SMBJ14CA-HR
  • Peak Power Dissipation: 600W
  • Breakdown Voltage: 14V
  • Operating Voltage: 12.1V
  • Maximum Reverse Leakage Current: 1μA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ14CA-HR follows the standard pin configuration for SMB diodes, with two leads for connection to the circuit board.

Functional Features

  • Transient Voltage Suppression: Rapidly clamps transient overvoltages to safe levels, protecting downstream components.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuit during overvoltage events.
  • Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes and transients
  • Compact form factor suitable for space-constrained applications
  • High surge current capability for enhanced reliability

Disadvantages

  • Limited to specific voltage ratings, may require multiple diodes for broader protection range
  • Can introduce some capacitance to the protected circuit, affecting high-frequency performance

Working Principles

The SMBJ14CA-HR operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This action effectively diverts the excess energy away from the protected circuit, safeguarding sensitive components.

Detailed Application Field Plans

The SMBJ14CA-HR finds extensive use in various electronic systems, including: - Power Supplies: Protecting voltage regulators, power converters, and other critical components from voltage transients. - Communication Equipment: Safeguarding sensitive communication interfaces and signal processing circuits from electrical disturbances. - Automotive Electronics: Providing surge protection for automotive control units, infotainment systems, and onboard sensors.

Detailed and Complete Alternative Models

  • SMBJ10A-HR: Similar TVS diode with a lower breakdown voltage of 10V
  • SMBJ16CA-HR: TVS diode with a higher breakdown voltage of 16V, suitable for different application requirements
  • SMBJ20A-HR: Higher voltage rating TVS diode for applications requiring greater transient voltage protection

In conclusion, the SMBJ14CA-HR TVS diode plays a crucial role in protecting electronic circuits from transient overvoltage events. Its fast response time, low clamping voltage, and high surge current capability make it a valuable component in various electronic systems, ensuring the reliability and longevity of sensitive electronics.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ14CA-HR en soluciones técnicas

  1. What is the SMBJ14CA-HR used for?

    • The SMBJ14CA-HR is a high-reliability, surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ14CA-HR?

    • The SMBJ14CA-HR has a maximum working voltage of 12.8 volts.

  3. What is the peak pulse power dissipation of the SMBJ14CA-HR?

    • The peak pulse power dissipation of the SMBJ14CA-HR is 600 watts.

  4. What are the typical applications of the SMBJ14CA-HR?

    • Typical applications of the SMBJ14CA-HR include protection of telecommunications equipment, industrial control systems, automotive electronics, and other sensitive electronic devices from voltage transients.

  5. What is the clamping voltage of the SMBJ14CA-HR?

    • The clamping voltage of the SMBJ14CA-HR is 21.2 volts.

  6. What is the operating temperature range of the SMBJ14CA-HR?

    • The SMBJ14CA-HR has an operating temperature range of -55°C to +150°C.

  7. Is the SMBJ14CA-HR RoHS compliant?

    • Yes, the SMBJ14CA-HR is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. Can the SMBJ14CA-HR be used in high-reliability applications?

    • Yes, the "HR" designation indicates that the SMBJ14CA-HR is specifically designed for high-reliability applications where consistent performance and durability are essential.

  9. What is the package type of the SMBJ14CA-HR?

    • The SMBJ14CA-HR is available in a DO-214AA (SMB) package, which is suitable for surface mount applications.

  10. Does the SMBJ14CA-HR require any external components for proper operation?

    • No, the SMBJ14CA-HR is a standalone transient voltage suppressor diode and does not require additional external components for proper operation.