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SMBJ350
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SMBJ350 - Product Overview

Introduction

The SMBJ350 belongs to the category of transient voltage suppressor (TVS) diodes, which are widely used in electronic circuits to protect sensitive components from voltage spikes and surges. This entry provides a comprehensive overview of the SMBJ350, 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: Protection against voltage spikes and surges in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: Silicon TVS Diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage: 350V
  • Operating Voltage: 280V
  • Clamping Voltage: 431V
  • Peak Pulse Current: 14.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ350 TVS diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact package size

Disadvantages

  • Limited peak pulse current compared to higher-rated TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

When a voltage transient occurs, the SMBJ350 TVS diode 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 SMBJ350 is commonly used in various applications, including: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diodes to SMBJ350 include: - SMAJ350: Similar characteristics but in SMA package - P6SMBJ350: Higher surge current capability in SMB package - SMCJ350: Larger package size with higher surge handling capacity

In conclusion, the SMBJ350 TVS diode offers effective protection against voltage transients in a compact package, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける SMBJ350 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 SMBJ350?

    • The SMBJ350 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ350?

    • The maximum peak pulse power of the SMBJ350 is 600 watts.

  3. What is the breakdown voltage of the SMBJ350?

    • The breakdown voltage of the SMBJ350 is 350 volts.

  4. What are the typical applications of the SMBJ350?

    • The SMBJ350 is commonly used in applications such as power supplies, telecommunications equipment, and industrial control systems to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ350?

    • The clamping voltage of the SMBJ350 is typically around 571 volts at a peak pulse current of 10A.

  6. What is the response time of the SMBJ350?

    • The response time of the SMBJ350 is very fast, typically responding within nanoseconds to clamp the voltage spike.

  7. Is the SMBJ350 RoHS compliant?

    • Yes, the SMBJ350 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the operating temperature range of the SMBJ350?

    • The SMBJ350 has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  9. Can the SMBJ350 be used for surge protection in automotive electronics?

    • Yes, the SMBJ350 is often used for surge protection in automotive electronics due to its high power handling capability and fast response time.

  10. Are there any recommended layout considerations when using the SMBJ350?

    • It is recommended to minimize the length of the traces between the SMBJ350 and the protected circuitry and to provide a low inductance path to the ground plane for optimal performance.