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SMBJ33
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SMBJ33 Product Overview

Introduction

The SMBJ33 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 SMBJ33, 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 circuits from voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: Silicon TVS Diode
  • Packaging/Quantity: Tape & Reel (1000 pieces)

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 33V
  • Operating Voltage: 28.2V
  • Clamping Voltage: 45.7V
  • Peak Pulse Current: 19.4A
  • Reverse Standoff Voltage: 33V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ33 TVS diode has a standard SMB (DO-214AA) package with two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Transient Voltage Suppression: Quickly clamps transient voltages to a safe level
  • Fast Response Time: Rapid reaction to voltage spikes
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Current Capability: Ability to handle large surge currents without damage

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size for easy integration into circuits
  • High surge current capability

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive protection

Working Principles

When a voltage spike or transient occurs, the SMBJ33 TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive components.

Detailed Application Field Plans

The SMBJ33 is commonly used in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models similar to the SMBJ33 include: - SMAJ33A: Similar specifications with a different package (SMA) - P6SMB33CA: Higher power rating with a different package (SMB)

In conclusion, the SMBJ33 TVS diode offers effective transient voltage suppression with fast response time and high surge current capability, 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 SMBJ33 in technische oplossingen

  1. What is SMBJ33?

    • SMBJ33 is a type of surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum working voltage of SMBJ33?

    • The maximum working voltage of SMBJ33 is 33 volts.

  3. What is the typical application of SMBJ33?

    • SMBJ33 is commonly used for overvoltage protection in various electronic circuits, such as power supplies, communication equipment, and automotive electronics.

  4. What is the peak pulse current rating of SMBJ33?

    • The peak pulse current rating of SMBJ33 is typically around 100A.

  5. How does SMBJ33 provide overvoltage protection?

    • SMBJ33 clamps the voltage across the protected circuit when a transient voltage spike occurs, diverting the excess energy away from the sensitive components.

  6. What is the response time of SMBJ33?

    • The response time of SMBJ33 is very fast, typically in the nanosecond range, providing quick protection against voltage spikes.

  7. Can SMBJ33 be used for ESD protection?

    • Yes, SMBJ33 can also be used for electrostatic discharge (ESD) protection in electronic devices.

  8. What are the temperature specifications for SMBJ33?

    • SMBJ33 typically has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  9. Is SMBJ33 RoHS compliant?

    • Yes, SMBJ33 is often manufactured to be compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. Are there any recommended layout considerations for using SMBJ33 in a circuit?

    • It is recommended to place SMBJ33 as close as possible to the protected circuit and to minimize the length of the traces connecting it to the circuit for optimal performance.