Taiwan Semiconductor Corporation
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SMCJ28A R7G
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SMCJ28A R7G

Product Overview

Category

The SMCJ28A R7G belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Package

The SMCJ28A R7G is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ28A R7G lies in its ability to divert excessive current away from sensitive components, thereby protecting them from damage due to voltage surges.

Packaging/Quantity

The SMCJ28A R7G is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Power Dissipation: 1500W
  • Breakdown Voltage: 28V
  • Maximum Clamping Voltage: 45.4V
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 28V

Detailed Pin Configuration

The SMCJ28A R7G typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Bi-directional clamping capability
  • Low incremental surge resistance
  • High temperature stability

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage compared to higher-rated TVS diodes
  • Higher clamping voltage compared to some specialized TVS diodes

Working Principles

When a transient voltage event occurs, the SMCJ28A R7G conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ28A R7G is commonly used in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ28A R7G include: - SMAJ28A - P6SMB28A - 1.5KE28A

In conclusion, the SMCJ28A R7G is a vital component in safeguarding electronic circuits from transient voltage events, finding widespread use across diverse industries.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMCJ28A R7G dalam solusi teknis

  1. What is the maximum peak pulse current for SMCJ28A R7G?

    • The maximum peak pulse current for SMCJ28A R7G is 300A.

  2. What is the breakdown voltage of SMCJ28A R7G?

    • The breakdown voltage of SMCJ28A R7G is 31.1V.

  3. What is the power dissipation of SMCJ28A R7G?

    • The power dissipation of SMCJ28A R7G is 1500W.

  4. What is the operating temperature range for SMCJ28A R7G?

    • The operating temperature range for SMCJ28A R7G is -55°C to +150°C.

  5. What is the typical clamping voltage of SMCJ28A R7G?

    • The typical clamping voltage of SMCJ28A R7G is 45.4V at 14A.

  6. What are the recommended applications for SMCJ28A R7G?

    • SMCJ28A R7G is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  7. Does SMCJ28A R7G have a low leakage current?

    • Yes, SMCJ28A R7G has a low leakage current of less than 1µA.

  8. Is SMCJ28A R7G RoHS compliant?

    • Yes, SMCJ28A R7G is RoHS compliant.

  9. What is the package type of SMCJ28A R7G?

    • SMCJ28A R7G comes in a DO-214AB (SMC) package.

  10. Is SMCJ28A R7G suitable for high-reliability applications?

    • Yes, SMCJ28A R7G is suitable for high-reliability applications due to its robust design and performance characteristics.