Vishay Semiconductor Diodes Division
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SMCJ12CA-E3/9AT
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SMCJ12CA-E3/9AT

Product Overview

Category

The SMCJ12CA-E3/9AT belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMCJ12CA-E3/9AT is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ12CA-E3/9AT lies in its ability to provide robust protection against voltage surges, thereby safeguarding electronic circuits and components.

Packaging/Quantity

The SMCJ12CA-E3/9AT is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 12V
  • Maximum Clamping Voltage: 19.9V
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ12CA-E3/9AT typically features two pins for connection, with the anode and cathode clearly marked for easy identification.

Functional Features

  • Bi-directional clamping capability
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The SMCJ12CA-E3/9AT operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a voltage surge occurs.

Detailed Application Field Plans

The SMCJ12CA-E3/9AT finds application in various fields, including: - Telecommunications equipment - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ12CA-E3/9AT include: - SMCJ5.0A - SMCJ15CA - SMCJ24A

In conclusion, the SMCJ12CA-E3/9AT transient voltage suppressor diode offers reliable protection against voltage transients, making it a crucial component in ensuring the longevity and reliability of electronic systems across diverse industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ12CA-E3/9AT v technických řešeních

  1. What is the SMCJ12CA-E3/9AT used for?

    • The SMCJ12CA-E3/9AT is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse current of the SMCJ12CA-E3/9AT?

    • The maximum peak pulse current of the SMCJ12CA-E3/9AT is 300A.

  3. What is the breakdown voltage of the SMCJ12CA-E3/9AT?

    • The breakdown voltage of the SMCJ12CA-E3/9AT is 12V.

  4. In what type of applications is the SMCJ12CA-E3/9AT commonly used?

    • The SMCJ12CA-E3/9AT is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics.

  5. What is the response time of the SMCJ12CA-E3/9AT?

    • The response time of the SMCJ12CA-E3/9AT is very fast, typically responding within nanoseconds to clamp transient voltages.

  6. Can the SMCJ12CA-E3/9AT be used for overvoltage protection in solar panel systems?

    • Yes, the SMCJ12CA-E3/9AT can be used for overvoltage protection in solar panel systems to safeguard against voltage surges.

  7. Is the SMCJ12CA-E3/9AT suitable for use in high-speed data lines?

    • Yes, the SMCJ12CA-E3/9AT is suitable for use in high-speed data lines to protect against electrostatic discharge (ESD) and other transient events.

  8. What is the operating temperature range of the SMCJ12CA-E3/9AT?

    • The SMCJ12CA-E3/9AT has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  9. Can the SMCJ12CA-E3/9AT be used for surge protection in industrial control systems?

    • Yes, the SMCJ12CA-E3/9AT can be used for surge protection in industrial control systems to prevent damage from voltage spikes.

  10. Does the SMCJ12CA-E3/9AT require any external components for proper operation?

    • No, the SMCJ12CA-E3/9AT does not require any external components for proper operation, making it easy to integrate into technical solutions.