Taiwan Semiconductor Corporation
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SMCJ43A R7G
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SMCJ43A R7G

Product Overview

Category

The SMCJ43A R7G belongs to the category of semiconductor devices, specifically a 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

Package

The SMCJ43A R7G is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ43A R7G lies in its ability to quickly divert excessive voltage away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMCJ43A R7G is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 43V
  • Breakdown Voltage: 47.8V
  • Maximum Clamping Voltage: 69.4V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ43A 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
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited peak pulse current compared to higher-rated TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

When a transient voltage event occurs, the SMCJ43A R7G conducts current to divert the excess energy away from the protected circuit, thus limiting the voltage across it.

Detailed Application Field Plans

The SMCJ43A R7G is widely used in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ43A R7G include: - SMCJ5.0A - SMCJ10A - SMCJ24A - SMCJ58A

In conclusion, the SMCJ43A R7G is a crucial component in protecting electronic circuits from transient voltage events, finding widespread use across diverse industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ43A R7G v technických řešeních

  1. What is the maximum peak pulse current for SMCJ43A R7G?

    • The maximum peak pulse current for SMCJ43A R7G is 300A.

  2. What is the breakdown voltage of SMCJ43A R7G?

    • The breakdown voltage of SMCJ43A R7G is 43V.

  3. What is the typical clamping voltage of SMCJ43A R7G at 10A?

    • The typical clamping voltage of SMCJ43A R7G at 10A is 77.4V.

  4. What is the operating temperature range for SMCJ43A R7G?

    • The operating temperature range for SMCJ43A R7G is -55°C to +150°C.

  5. What is the peak power dissipation of SMCJ43A R7G?

    • The peak power dissipation of SMCJ43A R7G is 1500W.

  6. Is SMCJ43A R7G RoHS compliant?

    • Yes, SMCJ43A R7G is RoHS compliant.

  7. What is the package type of SMCJ43A R7G?

    • SMCJ43A R7G comes in a DO-214AB (SMC) package.

  8. What are the typical applications for SMCJ43A R7G?

    • SMCJ43A R7G is commonly used in surge protection for telecommunications equipment, industrial electronics, and automotive systems.

  9. Does SMCJ43A R7G have a low leakage current?

    • Yes, SMCJ43A R7G has a low leakage current.

  10. What are the recommended soldering conditions for SMCJ43A R7G?

    • The recommended soldering conditions for SMCJ43A R7G include a soldering temperature of 260°C for 10 seconds.