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SMAJ220
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SMAJ220 Product Overview

Introduction

The SMAJ220 belongs to the category of transient voltage suppressor diodes, commonly used for surge protection in electronic circuits. This entry provides a comprehensive overview of the SMAJ220, 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 Diode
  • Use: Surge Protection in Electronic Circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMA (DO-214AC)
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Part Number: SMAJ220
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 220V
  • Operating Voltage: 188V
  • Maximum Clamping Voltage: 324V
  • Peak Pulse Current: 14.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ220 typically follows the standard pin configuration for SMA (DO-214AC) package diodes, with two leads for connection.

Functional Features

  • Rapid response to transient overvoltage conditions
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components
  • Fast response time to transient voltage spikes
  • Compact form factor for easy integration into circuit designs

Disadvantages

  • Limited power dissipation capability compared to larger devices
  • May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMAJ220 operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a surge occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMAJ220 is widely used in various electronic systems and equipment, including: - Consumer electronics - Telecommunication devices - Industrial control systems - Automotive electronics - Power supply units

Detailed and Complete Alternative Models

Some alternative models to the SMAJ220 include: - P6SMB220A - 1.5SMC220CA - SMBJ220A

In conclusion, the SMAJ220 transient voltage suppressor diode offers effective surge protection for a wide range of electronic applications, with its fast response time, low clamping voltage, and high surge current capability making it a popular choice among design engineers.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ220 en soluciones técnicas

  1. What is SMAJ220?

    • SMAJ220 is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power dissipation of SMAJ220?

    • The maximum peak pulse power dissipation of SMAJ220 is 400 watts.

  3. What is the breakdown voltage of SMAJ220?

    • The breakdown voltage of SMAJ220 is 220 volts.

  4. What are the typical applications of SMAJ220?

    • SMAJ220 is commonly used in applications such as protection of sensitive electronic equipment, telecommunications equipment, and automotive electronics.

  5. What is the clamping voltage of SMAJ220?

    • The clamping voltage of SMAJ220 is typically around 357 volts at 10A.

  6. What is the operating temperature range of SMAJ220?

    • The operating temperature range of SMAJ220 is usually between -55°C to +150°C.

  7. What is the response time of SMAJ220?

    • The response time of SMAJ220 is very fast, typically responding within nanoseconds to clamp transient voltages.

  8. How does SMAJ220 provide overvoltage protection?

    • SMAJ220 diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events.

  9. Can SMAJ220 be used for ESD protection?

    • Yes, SMAJ220 can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  10. What are the packaging options available for SMAJ220?

    • SMAJ220 is available in various package types such as DO-214AC (SMA), DO-214AB (SMC), and other surface mount packages.