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SMAJ18A-TR
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SMAJ18A-TR

Introduction

SMAJ18A-TR is a product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of SMAJ18A-TR.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against transient voltage spikes
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: DO-214AC (SMA), SMC package
  • Essence: Provides protection to sensitive electronic components from voltage transients
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 18V
  • Voltage - Breakdown (Min): 20V
  • Voltage - Clamping (Max) @ Ipp: 29.2V
  • Current - Peak Pulse (10/1000µs): 34.4A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ18A-TR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Transient Voltage Suppression: Quickly responds to overvoltage transients, diverting excess current away from sensitive components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.
  • Fast Response Time: Reacts swiftly to transient voltage spikes, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage spikes
  • Fast response time
  • Low clamping voltage

Disadvantages

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

Working Principles

SMAJ18A-TR operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts excess current to ground, preventing it from reaching sensitive components.

Detailed Application Field Plans

SMAJ18A-TR finds applications in various fields including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ18A-TR include: - P6SMB18A - 1.5SMC18A - SMBJ18A

In conclusion, SMAJ18A-TR is a crucial component in protecting electronic circuits from transient voltage spikes. Its fast response time, low clamping voltage, and high surge current capability make it an essential part of many electronic systems.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMAJ18A-TR dalam solusi teknis

  1. What is SMAJ18A-TR?

    • SMAJ18A-TR is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ18A-TR?

    • The maximum peak pulse power of SMAJ18A-TR is 400 watts.

  3. What is the breakdown voltage of SMAJ18A-TR?

    • The breakdown voltage of SMAJ18A-TR is 18 volts.

  4. What are the typical applications of SMAJ18A-TR?

    • SMAJ18A-TR is commonly used in applications such as protection of integrated circuits, power supplies, telecommunications equipment, and automotive electronics.

  5. What is the operating temperature range of SMAJ18A-TR?

    • The operating temperature range of SMAJ18A-TR is -55°C to +150°C.

  6. What is the reverse stand-off voltage of SMAJ18A-TR?

    • The reverse stand-off voltage of SMAJ18A-TR is 18 volts.

  7. What is the package type of SMAJ18A-TR?

    • SMAJ18A-TR is available in a DO-214AC (SMA) package.

  8. What is the clamping voltage of SMAJ18A-TR?

    • The clamping voltage of SMAJ18A-TR is typically 29.2 volts at 10A.

  9. What are the key features of SMAJ18A-TR?

    • Some key features of SMAJ18A-TR include low profile package, excellent clamping capability, and fast response time.

  10. How should SMAJ18A-TR be mounted on a PCB?

    • SMAJ18A-TR should be mounted using appropriate soldering techniques and placed close to the protected circuit for effective transient voltage suppression.

I hope this information is helpful! Let me know if you need anything else.