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SMBJ30
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SMBJ30 - Product Overview

Introduction

The SMBJ30 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 transients. This entry provides a comprehensive overview of the SMBJ30, 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 sensitive electronic components from voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: SMB (DO-214AA)
  • Essence: Safeguarding electronic circuits from overvoltage events
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 30V
  • Voltage - Breakdown (Min): 33.3V
  • Clamping Voltage @ Ipp: 48.4V
  • Current - Peak Pulse (10/1000µs): 25.6A
  • Power - Peak Pulse: 600W
  • Type: Unidirectional

Detailed Pin Configuration

The SMBJ30 typically has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level
  • Fast Response Time: Rapid reaction to voltage spikes
  • Low Clamping Voltage: Provides protection without imposing excessive voltage drop

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Unidirectional protection only
  • Limited power dissipation capability

Working Principles

The SMBJ30 operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from sensitive components when an overvoltage event occurs. This action effectively limits the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ30 is commonly employed in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models similar to the SMBJ30 include: - SMAJ30A - SMCJ30A - P6SMB30A

In conclusion, the SMBJ30 transient voltage suppressor diode offers effective protection against voltage transients in a compact SMB package, making it suitable for a wide range of electronic applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMBJ30 in technische oplossingen

  1. What is the SMBJ30?

    • The SMBJ30 is a type of surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ30?

    • The SMBJ30 has a maximum voltage rating of 30 volts, making it suitable for protecting low voltage electronic circuits.

  3. What is the peak pulse power handling capability of the SMBJ30?

    • The SMBJ30 is capable of handling peak pulse power of up to 600 watts, providing robust protection against transient events.

  4. What are the typical applications of the SMBJ30?

    • The SMBJ30 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges and ESD events.

  5. What is the response time of the SMBJ30?

    • The SMBJ30 has a very fast response time, typically less than 1 nanosecond, ensuring rapid clamping of transient voltages to safe levels.

  6. How does the SMBJ30 compare to other transient voltage suppressors?

    • The SMBJ30 offers a balance of low clamping voltage and high surge capability, making it well-suited for protecting sensitive electronic components without sacrificing performance.

  7. Can the SMBJ30 be used in high-frequency applications?

    • Yes, the SMBJ30 is suitable for high-frequency applications due to its low capacitance and fast response time.

  8. What is the operating temperature range of the SMBJ30?

    • The SMBJ30 is designed to operate within a wide temperature range, typically from -55°C to 150°C, ensuring reliable performance in various environmental conditions.

  9. Is the SMBJ30 RoHS compliant?

    • Yes, the SMBJ30 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly and safe for use in electronic products.

  10. How should the SMBJ30 be mounted on a PCB?

    • The SMBJ30 should be mounted using appropriate soldering techniques, following the recommended footprint and layout guidelines provided in the datasheet to ensure proper electrical and thermal performance.