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SMCJ54A
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SMCJ54A - English Editing Encyclopedia Entry

Product Overview

Category

The SMCJ54A belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components 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 SMCJ54A is available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ54A lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMCJ54A is typically packaged in reels or trays and is available in quantities ranging from hundreds to thousands per reel/tray.

Specifications

  • Standoff Voltage: 48.5V
  • Breakdown Voltage: 53.9V
  • Maximum Clamping Voltage: 87.1V
  • Peak Pulse Current: 30.3A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ54A has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Bi-directional protection
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Provides robust protection against voltage transients
  • Fast response time
  • Can handle high surge currents

Disadvantages

  • Occupies physical space on the circuit board
  • May introduce some capacitance and inductance into the circuit

Working Principles

When a transient voltage spike occurs, the SMCJ54A conducts current to divert the excess energy away from the protected components, thus limiting the voltage across them.

Detailed Application Field Plans

The SMCJ54A is commonly used in: - Power supplies - Communication systems - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to the SMCJ54A include: - P6SMBJ54A - 1.5KE51CA - SMBJ54CA

In conclusion, the SMCJ54A transient voltage suppressor diode offers reliable protection against voltage transients and finds widespread application in various electronic systems.

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10个与SMCJ54A在技术解决方案中的应用相关的常见问题及解答

  1. What is the maximum peak pulse current for SMCJ54A?

    • The maximum peak pulse current for SMCJ54A is 300A.

  2. What is the breakdown voltage of SMCJ54A?

    • The breakdown voltage of SMCJ54A is 58.9V.

  3. What is the typical capacitance of SMCJ54A at 1MHz?

    • The typical capacitance of SMCJ54A at 1MHz is 500pF.

  4. What is the power dissipation of SMCJ54A?

    • The power dissipation of SMCJ54A is 1.5W.

  5. What is the operating temperature range for SMCJ54A?

    • The operating temperature range for SMCJ54A is -55°C to +150°C.

  6. What are the package options available for SMCJ54A?

    • SMCJ54A is available in a DO-214AB (SMC) package.

  7. What are the typical applications of SMCJ54A?

    • SMCJ54A is commonly used in transient voltage suppression for electronic equipment, automotive systems, and telecommunications.

  8. What is the reverse stand-off voltage of SMCJ54A?

    • The reverse stand-off voltage of SMCJ54A is 48.5V.

  9. Does SMCJ54A meet RoHS compliance?

    • Yes, SMCJ54A is compliant with RoHS requirements.

  10. What are the key differences between SMCJ54A and other similar diodes?

    • SMCJ54A offers higher peak pulse current and lower clamping voltage compared to many similar diodes, making it suitable for robust transient voltage suppression applications.