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SMBJ22A
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SMBJ22A - Product Overview

Introduction

The SMBJ22A 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 SMBJ22A, 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: DO-214AA (SMB), SMD/SMT package style
  • Essence: Silicon TVS Diode
  • Packaging/Quantity: Tape & Reel (3,000 units)

Specifications

  • Voltage - Reverse Standoff (Typ): 22V
  • Voltage - Breakdown: 24.4V
  • Clamping Voltage: 35.5V
  • Peak Pulse Current: 36.1A
  • Capacitance: 150pF
  • Polarity: Unidirectional
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ22A TVS diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • ESD protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact size

Disadvantages

  • Limited peak pulse current handling capacity
  • Unidirectional protection only

Working Principles

When a voltage spike occurs, the SMBJ22A TVS diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry from damage. It achieves this by diverting excess current away from the protected components.

Detailed Application Field Plans

The SMBJ22A is commonly used in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ22A include: - SMAJ22A - SMCJ22A - P6SMBJ22A

In conclusion, the SMBJ22A transient voltage suppressor diode offers effective protection against voltage spikes and transients in a wide range of electronic applications. Its fast response time, low clamping voltage, and high surge current capability make it a reliable choice for circuit protection.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMBJ22A dalam penyelesaian teknikal

  1. What is the SMBJ22A used for?

    • The SMBJ22A is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ22A?

    • The SMBJ22A has a maximum voltage rating of 22 volts.

  3. What is the peak pulse power dissipation of the SMBJ22A?

    • The peak pulse power dissipation of the SMBJ22A is typically 600 watts.

  4. What are the typical applications of the SMBJ22A?

    • The SMBJ22A is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ22A?

    • The clamping voltage of the SMBJ22A is typically around 35.5 volts at 10A.

  6. What is the response time of the SMBJ22A?

    • The response time of the SMBJ22A is very fast, typically responding within nanoseconds to clamp the transient voltage.

  7. Is the SMBJ22A suitable for high-speed data lines?

    • Yes, the SMBJ22A is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  8. Can the SMBJ22A be used in outdoor applications?

    • Yes, the SMBJ22A is often used in outdoor applications due to its ability to withstand transient voltage surges caused by lightning and other environmental factors.

  9. What is the operating temperature range of the SMBJ22A?

    • The SMBJ22A typically operates within a temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Does the SMBJ22A require any external components for proper operation?

    • No, the SMBJ22A does not require any external components for basic transient voltage suppression, but additional circuitry may be needed for specific application requirements.