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SMCJ400C
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SMCJ400C - English Editing Encyclopedia Entry

Product Overview

Category

The SMCJ400C belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic devices 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 SMCJ400C is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ400C lies in its ability to rapidly clamp transient voltages to a safe level, thereby safeguarding electronic circuits.

Packaging/Quantity

The SMCJ400C is commonly packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 342V to 378V
  • Breakdown Voltage: 380V to 420V
  • Peak Pulse Power: 1.5kW
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ400C typically has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

  • Bi-directional TVS diode
  • Low incremental surge resistance
  • High temperature stability

Advantages and Disadvantages

Advantages

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

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the SMCJ400C conducts current to divert the excess energy away from the protected circuit, limiting the voltage to a safe level.

Detailed Application Field Plans

The SMCJ400C is widely used in various applications including: - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: SMCJ440A
    • Similar specifications and package type
  • Alternative Model 2: SMCJ400CA
    • Higher surge current capability
    • Different breakdown voltage range

In conclusion, the SMCJ400C transient voltage suppressor diode offers effective protection against transient voltage events, making it an essential component in various electronic applications.

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技術ソリューションにおける SMCJ400C の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum peak pulse current for SMCJ400C?

    • The maximum peak pulse current for SMCJ400C is 3000A.

  2. What is the breakdown voltage of SMCJ400C?

    • The breakdown voltage of SMCJ400C is 356V.

  3. What is the typical clamping voltage of SMCJ400C?

    • The typical clamping voltage of SMCJ400C is 485V at 77.8A.

  4. What is the power dissipation of SMCJ400C?

    • The power dissipation of SMCJ400C is 1500W.

  5. What are the applications of SMCJ400C in technical solutions?

    • SMCJ400C is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the response time of SMCJ400C?

    • The response time of SMCJ400C is typically less than 1 picosecond.

  7. What is the operating temperature range of SMCJ400C?

    • The operating temperature range of SMCJ400C is -55°C to 150°C.

  8. Does SMCJ400C meet industry standards for surge protection?

    • Yes, SMCJ400C meets industry standards such as IEC 61000-4-5 for surge immunity.

  9. Can SMCJ400C be used in high-speed data line protection?

    • Yes, SMCJ400C is suitable for high-speed data line protection due to its fast response time and low clamping voltage.

  10. Is SMCJ400C RoHS compliant?

    • Yes, SMCJ400C is RoHS compliant, making it suitable for use in environmentally conscious applications.