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SMCJ78CA
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SMCJ78CA - Product Overview and Specifications

Introduction

The SMCJ78CA is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides an in-depth overview of the SMCJ78CA, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protecting electronic circuits from overvoltage transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMC (DO-214AB)
  • Essence: Provides robust protection against voltage transients
  • Packaging/Quantity: Available in tape and reel packaging with various quantities

Specifications

  • Part Number: SMCJ78CA
  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 78V
  • Clamping Voltage: 126V at 1A
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ78CA TVS diode has a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Rapid response to transient overvoltage events
  • Low clamping voltage to protect sensitive components
  • High surge current handling capability
  • RoHS compliant for environmental sustainability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • RoHS compliant for environmentally friendly design
  • Compact SMC package for space-constrained applications

Disadvantages

  • May require additional circuitry for comprehensive ESD protection

Working Principles

The SMCJ78CA operates by diverting excess transient voltage away from sensitive electronic components. When a transient voltage spike occurs, the diode rapidly conducts, clamping the voltage to a safe level and dissipating the excess energy as heat.

Detailed Application Field Plans

The SMCJ78CA is widely used in various applications, including: - Telecommunications equipment - Industrial automation systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: SMCJ5.0CA (Breakdown Voltage: 5.0V)
  • Alternative Model 2: SMCJ15CA (Breakdown Voltage: 15V)
  • Alternative Model 3: SMCJ24CA (Breakdown Voltage: 24V)
  • Alternative Model 4: SMCJ36CA (Breakdown Voltage: 36V)

In summary, the SMCJ78CA transient voltage suppressor diode offers robust protection against overvoltage transients, making it an essential component in various electronic systems.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMCJ78CA у технічних рішеннях

  1. What is the SMCJ78CA used for?

    • The SMCJ78CA is a transient voltage suppressor diode used to protect sensitive electronic components from voltage spikes and surges.

  2. What is the maximum clamping voltage of the SMCJ78CA?

    • The maximum clamping voltage of the SMCJ78CA is 126 volts.

  3. What is the peak pulse current rating of the SMCJ78CA?

    • The peak pulse current rating of the SMCJ78CA is 300 amps.

  4. What is the breakdown voltage of the SMCJ78CA?

    • The breakdown voltage of the SMCJ78CA is 87.8 volts.

  5. What are the typical applications of the SMCJ78CA?

    • The SMCJ78CA is commonly used in surge protection for telecommunications equipment, power supplies, and automotive electronics.

  6. What is the response time of the SMCJ78CA?

    • The response time of the SMCJ78CA is very fast, typically in the nanosecond range.

  7. Is the SMCJ78CA RoHS compliant?

    • Yes, the SMCJ78CA is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. Can the SMCJ78CA be used for overvoltage protection in solar inverters?

    • Yes, the SMCJ78CA is suitable for overvoltage protection in solar inverters and other renewable energy systems.

  9. What is the operating temperature range of the SMCJ78CA?

    • The SMCJ78CA has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Does the SMCJ78CA require any external heat sinking?

    • In most applications, the SMCJ78CA does not require external heat sinking due to its low power dissipation characteristics.