Taiwan Semiconductor Corporation
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SMA6J12A R3G
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SMA6J12A R3G

Product Overview

The SMA6J12A R3G belongs to the category of TVS (Transient Voltage Suppressor) diodes and is commonly used for surge protection in electronic circuits. These diodes are known for their high surge capability, low clamping voltage, and fast response time. The SMA6J12A R3G is typically packaged in a small, surface-mount package and is available in tape and reel packaging with a specific quantity per reel.

Specifications

  • Voltage Rating: 12V
  • Peak Pulse Power: 600W
  • Package Type: SMA (DO-214AC)
  • Polarity: Unidirectional
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA6J12A R3G typically has two pins, with the cathode connected to the ground and the anode connected to the input or signal line that requires protection.

Functional Features

  • High Surge Capability: Can withstand large surge currents without damage.
  • Low Clamping Voltage: Provides effective protection by limiting the voltage across the circuit.
  • Fast Response Time: Quickly responds to transient voltage spikes, safeguarding sensitive components.

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components.
  • Small form factor suitable for compact circuit designs.
  • Fast response time ensures minimal disruption to the circuit operation.

Disadvantages

  • Limited to unidirectional protection.
  • May require additional components for bidirectional protection.

Working Principles

The SMA6J12A R3G operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to the connected components.

Detailed Application Field Plans

The SMA6J12A R3G is widely used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMA6J10A R3G: 10V voltage rating, otherwise similar specifications.
  • SMA6J15A R3G: 15V voltage rating, otherwise similar specifications.
  • SMA6J18A R3G: 18V voltage rating, otherwise similar specifications.

In conclusion, the SMA6J12A R3G TVS diode offers reliable surge protection for a wide range of electronic applications, making it an essential component in safeguarding sensitive circuits from transient voltage events.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMA6J12A R3G dalam solusi teknis

  1. What is the maximum voltage rating of SMA6J12A R3G?

    • The maximum voltage rating of SMA6J12A R3G is 12V.

  2. What is the peak pulse power dissipation of SMA6J12A R3G?

    • The peak pulse power dissipation of SMA6J12A R3G is 600W.

  3. What is the forward surge current for SMA6J12A R3G?

    • The forward surge current for SMA6J12A R3G is 30A.

  4. What is the typical junction capacitance of SMA6J12A R3G?

    • The typical junction capacitance of SMA6J12A R3G is 300pF.

  5. What are the applications of SMA6J12A R3G?

    • SMA6J12A R3G is commonly used in automotive electronics, industrial equipment, and telecommunication systems for transient voltage suppression.

  6. What is the operating temperature range for SMA6J12A R3G?

    • The operating temperature range for SMA6J12A R3G is -55°C to +150°C.

  7. Does SMA6J12A R3G comply with RoHS requirements?

    • Yes, SMA6J12A R3G is compliant with RoHS requirements.

  8. What is the package type of SMA6J12A R3G?

    • SMA6J12A R3G comes in a DO-214AC (SMA) package.

  9. Is SMA6J12A R3G suitable for overvoltage protection in power supplies?

    • Yes, SMA6J12A R3G is suitable for overvoltage protection in power supplies and other sensitive electronic equipment.

  10. What are the key features of SMA6J12A R3G?

    • The key features of SMA6J12A R3G include low clamping voltage, fast response time, and high surge capability for reliable transient voltage suppression.