Vishay Semiconductor Diodes Division
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SMCJ43CAHE3/9AT
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SMCJ43CAHE3/9AT

Product Overview

Category

The SMCJ43CAHE3/9AT belongs to the category of transient voltage suppressor 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 SMCJ43CAHE3/9AT is available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ43CAHE3/9AT lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMCJ43CAHE3/9AT is typically packaged in reels with a quantity of 1500 units per reel.

Specifications

  • Standoff Voltage: 43V
  • Breakdown Voltage: 47.8V
  • Maximum Clamping Voltage: 69.4V
  • Peak Pulse Current: 30.6A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ43CAHE3/9AT has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols, respectively.

Functional Features

  • Bi-directional clamping capability
  • Low incremental surge resistance
  • High temperature stability

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited surge current handling capacity compared to some higher-rated devices
  • Relatively larger footprint compared to smaller form factor devices

Working Principles

When a voltage transient occurs, the SMCJ43CAHE3/9AT conducts current to limit the voltage across the protected circuit. It acts as a shunt to divert excess energy away from sensitive components.

Detailed Application Field Plans

The SMCJ43CAHE3/9AT is commonly used in: - Telecommunication equipment - Power supplies - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMCJ43CAHE3/9AT include: - P6SMB43CA - 1.5KE43CA - SMBJ43CA

In conclusion, the SMCJ43CAHE3/9AT is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its application spans across various industries, making it an essential part of modern electronic systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMCJ43CAHE3/9AT en soluciones técnicas

  1. What is the SMCJ43CAHE3/9AT used for?

    • The SMCJ43CAHE3/9AT 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 SMCJ43CAHE3/9AT?

    • The maximum peak pulse current for the SMCJ43CAHE3/9AT is typically 300A.

  3. What is the breakdown voltage of the SMCJ43CAHE3/9AT?

    • The breakdown voltage of the SMCJ43CAHE3/9AT is 43V.

  4. What are the typical applications for the SMCJ43CAHE3/9AT?

    • Typical applications include protection of power supplies, communication systems, automotive electronics, and industrial equipment from voltage surges.

  5. What is the response time of the SMCJ43CAHE3/9AT?

    • The response time of the SMCJ43CAHE3/9AT is very fast, typically responding in nanoseconds to clamp transient voltages.

  6. Is the SMCJ43CAHE3/9AT RoHS compliant?

    • Yes, the SMCJ43CAHE3/9AT is RoHS compliant, making it suitable for use in environmentally conscious designs.

  7. What is the operating temperature range of the SMCJ43CAHE3/9AT?

    • The SMCJ43CAHE3/9AT can operate within a temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  8. Can the SMCJ43CAHE3/9AT be used for surge protection in telecommunications equipment?

    • Yes, the SMCJ43CAHE3/9AT is commonly used for surge protection in telecommunications equipment due to its high surge capability and fast response time.

  9. Does the SMCJ43CAHE3/9AT require any external components for proper operation?

    • No, the SMCJ43CAHE3/9AT does not require any external components for proper operation, simplifying its integration into technical solutions.

  10. What is the packaging type of the SMCJ43CAHE3/9AT?

    • The SMCJ43CAHE3/9AT is available in a surface mount package, making it easy to mount on printed circuit boards for compact designs.