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SMBJ45C
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SMBJ45C - Product Overview

Introduction

The SMBJ45C is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an overview of the SMBJ45C, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protecting electronic devices from voltage transients caused by lightning, ESD, and other transient voltage events
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: Provides robust protection against transient voltage events
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage Range: 6.4V to 200V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ45C diode has a standard SMB (DO-214AA) package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time to transient voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust transient voltage suppression

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Compact SMB package for space-constrained applications
  • RoHS compliant for environmental considerations

Disadvantages

  • Limited breakdown voltage range compared to some other TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ45C operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the protected circuit to a safe level.

Detailed Application Field Plans

The SMBJ45C finds extensive use in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies - Medical devices

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the SMBJ45C include: - SMAJ5.0A - SMCJ10A - P6KE6.8CA - 1.5KE33CA

In conclusion, the SMBJ45C transient voltage suppressor diode offers effective protection against transient voltage events and finds widespread use in diverse electronic applications.

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技術ソリューションにおける SMBJ45C の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the SMBJ45C?

    • The SMBJ45C 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 SMBJ45C?

    • The SMBJ45C has a maximum working voltage of 45 volts.

  3. What is the peak pulse power handling capability of the SMBJ45C?

    • The SMBJ45C can handle peak pulse power of 600 watts for a standard 8/20µs waveform.

  4. What are the typical applications of the SMBJ45C?

    • The SMBJ45C is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  5. How does the SMBJ45C provide overvoltage protection?

    • The SMBJ45C clamps the voltage to a safe level by diverting excess current away from the protected circuit.

  6. What is the response time of the SMBJ45C to a transient event?

    • The SMBJ45C has a very fast response time, typically less than 1 nanosecond.

  7. Can the SMBJ45C be used for ESD protection?

    • Yes, the SMBJ45C can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  8. What is the operating temperature range of the SMBJ45C?

    • The SMBJ45C is designed to operate within a temperature range of -55°C to 150°C.

  9. Does the SMBJ45C require any external components for proper operation?

    • No, the SMBJ45C is a standalone device and does not require any external components for its operation.

  10. Is the SMBJ45C RoHS compliant?

    • Yes, the SMBJ45C is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally conscious applications.