Taiwan Semiconductor Corporation
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SMA6J18A R3G
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SMA6J18A R3G

Product Overview

Category

The SMA6J18A R3G belongs to the category of semiconductor devices.

Use

It is used as a transient voltage suppressor (TVS) diode for surge protection in electronic circuits.

Characteristics

  • Package: SMA (DO-214AC)
  • Essence: TVS diode for surge protection
  • Packaging/Quantity: 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): 17.1A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMA6J18A R3G has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Provides surge protection by clamping transient overvoltage events
  • Fast response time
  • Low leakage current

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMA6J18A R3G operates by diverting excess current away from sensitive components when a transient overvoltage event occurs. It achieves this by rapidly clamping the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMA6J18A R3G is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMA6J18A R3G include: - P6KE18CA - 1.5KE18CA - SMBJ18CA

In conclusion, the SMA6J18A R3G is a vital component in providing surge protection for electronic circuits, offering fast response times and effective clamping of transient overvoltage events. While it has limitations in power dissipation, its compact size and reliability make it a popular choice for various applications in different industries.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMA6J18A R3G في الحلول التقنية

  1. What is the maximum reverse stand-off voltage of SMA6J18A R3G?

    • The maximum reverse stand-off voltage of SMA6J18A R3G is 18V.

  2. What is the peak pulse power dissipation of SMA6J18A R3G?

    • The peak pulse power dissipation of SMA6J18A R3G is 600W.

  3. What is the typical clamping voltage of SMA6J18A R3G?

    • The typical clamping voltage of SMA6J18A R3G is 29.2V at 10A.

  4. What is the forward voltage drop of SMA6J18A R3G?

    • The forward voltage drop of SMA6J18A R3G is typically 0.58V at 25A.

  5. What is the operating temperature range of SMA6J18A R3G?

    • The operating temperature range of SMA6J18A R3G is -55°C to +150°C.

  6. What is the package type of SMA6J18A R3G?

    • SMA6J18A R3G comes in a DO-214AC (SMA) package.

  7. Is SMA6J18A R3G suitable for overvoltage protection in automotive electronics?

    • Yes, SMA6J18A R3G is suitable for overvoltage protection in automotive electronics due to its high power dissipation and clamping capability.

  8. Can SMA6J18A R3G be used in power supply units?

    • Yes, SMA6J18A R3G can be used in power supply units to protect against transient voltage spikes.

  9. Does SMA6J18A R3G comply with RoHS requirements?

    • Yes, SMA6J18A R3G is compliant with RoHS requirements.

  10. What are some common applications for SMA6J18A R3G?

    • Common applications for SMA6J18A R3G include overvoltage protection in consumer electronics, industrial equipment, and telecommunications systems.