Vishay Semiconductor Diodes Division
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SMCJ43A-M3/9AT
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SMCJ43A-M3/9AT

Product Overview

Category

The SMCJ43A-M3/9AT belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor diode (TVS diode).

Use

It is used for providing overvoltage protection in electronic circuits, particularly in applications where there is a risk of voltage spikes or surges that could damage sensitive components.

Characteristics

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

Package

The SMCJ43A-M3/9AT is typically available in a DO-214AB (SMC) package.

Essence

The essence of this product lies in its ability to quickly divert excessive voltage away from sensitive components, thereby protecting them from damage.

Packaging/Quantity

It is commonly packaged in reels and available in quantities ranging from hundreds to thousands per reel.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Maximum Clamping Voltage: 69.4V
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 43V
  • Leakage Current: 1µA

Detailed Pin Configuration

The SMCJ43A-M3/9AT 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

  • Provides protection against voltage transients
  • Fast response time ensures minimal impact on the protected circuit
  • Low clamping voltage limits the voltage across the protected components

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • RoHS compliant

Disadvantages

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

Working Principles

When a voltage spike occurs, the SMCJ43A-M3/9AT conducts and shunts the excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ43A-M3/9AT is commonly used in: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMCJ43A-M3/9AT include: - P6SMB43CA - 1.5KE43CA - SMBJ43CA

In conclusion, the SMCJ43A-M3/9AT is a crucial component in safeguarding electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its application spans various industries, and while it has certain limitations, its advantages make it a popular choice for overvoltage protection.

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Énumérez 10 questions et réponses courantes liées à l'application de SMCJ43A-M3/9AT dans les solutions techniques

  1. What is the maximum peak pulse power of SMCJ43A-M3/9AT?

    • The maximum peak pulse power of SMCJ43A-M3/9AT is 1500 watts.

  2. What is the breakdown voltage of SMCJ43A-M3/9AT?

    • The breakdown voltage of SMCJ43A-M3/9AT is 48.1 volts.

  3. What is the typical clamping voltage of SMCJ43A-M3/9AT?

    • The typical clamping voltage of SMCJ43A-M3/9AT is 77.4 volts at 10A.

  4. What are the applications of SMCJ43A-M3/9AT in technical solutions?

    • SMCJ43A-M3/9AT is commonly used for transient voltage suppression in various electronic systems, such as telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of SMCJ43A-M3/9AT?

    • The operating temperature range of SMCJ43A-M3/9AT is -55°C to +150°C.

  6. What is the peak pulse current capability of SMCJ43A-M3/9AT?

    • The peak pulse current capability of SMCJ43A-M3/9AT is 200A.

  7. Does SMCJ43A-M3/9AT have a low leakage current?

    • Yes, SMCJ43A-M3/9AT has a low leakage current, which makes it suitable for sensitive electronic applications.

  8. Is SMCJ43A-M3/9AT RoHS compliant?

    • Yes, SMCJ43A-M3/9AT is RoHS compliant, ensuring environmental safety and regulatory compliance.

  9. What is the package type of SMCJ43A-M3/9AT?

    • SMCJ43A-M3/9AT comes in a surface mount SMC package, which is suitable for automated assembly processes.

  10. Can SMCJ43A-M3/9AT be used for surge protection in power supply units?

    • Yes, SMCJ43A-M3/9AT is commonly used for surge protection in power supply units to safeguard against voltage transients and surges.