Littelfuse Inc.
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SMBJ58
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SMBJ58 - Product Overview

Introduction

SMBJ58 is a part of the SMBJ series, which belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used for protecting sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. SMBJ58 offers unique characteristics, packaging, and specifications that make it suitable for various applications.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients
  • Characteristics: Fast response time, low clamping voltage
  • Package: DO-214AA (SMB), SMC
  • Essence: Provides protection to sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage Range: 64.4V to 71.1V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

SMBJ58 typically has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.

Functional Features

  • Transient Voltage Suppression: Quickly clamps voltage spikes to a safe level
  • Fast Response Time: Rapid reaction to transient events
  • Low Clamping Voltage: Limits the voltage across the protected circuit

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time ensures minimal damage to sensitive components
  • Compact size and easy to integrate into circuits

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

SMBJ58 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, safeguarding the connected electronics.

Detailed Application Field Plans

SMBJ58 finds extensive use in various applications, including: - Telecommunications: Protects communication equipment from lightning-induced surges - Consumer Electronics: Safeguards sensitive components in TVs, computers, and home appliances - Automotive Electronics: Shields automotive control units from voltage transients - Industrial Equipment: Protects industrial machinery from ESD events

Detailed and Complete Alternative Models

  • SMBJ5.0A: Breakdown Voltage: 5V
  • SMBJ15CA: Breakdown Voltage: 15V
  • SMBJ33A: Breakdown Voltage: 33V
  • SMBJ120A: Breakdown Voltage: 120V

In conclusion, SMBJ58, as part of the SMBJ series, serves as a crucial component in protecting electronic devices from voltage transients. Its fast response time, low clamping voltage, and compact package make it a versatile choice for various applications.

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기술 솔루션에 SMBJ58 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the SMBJ58?

    • The SMBJ58 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 SMBJ58?

    • The maximum working voltage of SMBJ58 is 58 volts.

  3. What is the peak pulse power of SMBJ58?

    • The peak pulse power of SMBJ58 is typically 600 watts.

  4. What are the typical applications of SMBJ58?

    • SMBJ58 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems for transient voltage protection.

  5. What is the clamping voltage of SMBJ58?

    • The clamping voltage of SMBJ58 is the voltage level at which it starts to conduct and suppress the transient voltage. For SMBJ58, the clamping voltage is typically around 93.6 volts.

  6. What is the response time of SMBJ58?

    • The response time of SMBJ58 is very fast, typically in the range of picoseconds, providing quick protection against voltage transients.

  7. Is SMBJ58 suitable for high-speed data lines?

    • Yes, SMBJ58 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces from voltage transients.

  8. Can SMBJ58 be used in conjunction with other protective components?

    • Yes, SMBJ58 can be used in conjunction with other protective components such as varistors and gas discharge tubes to provide comprehensive transient voltage protection.

  9. What is the operating temperature range of SMBJ58?

    • The operating temperature range of SMBJ58 is typically between -55°C to 150°C, making it suitable for a wide range of environments.

  10. Are there any specific layout considerations when using SMBJ58?

    • It is important to minimize the length and impedance of the traces connecting SMBJ58 to the protected circuit to ensure optimal performance. Additionally, proper grounding and placement near the protected components are recommended for effective transient voltage suppression.