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SMCJ90A-HR
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SMCJ90A-HR

Product Overview

Category

The SMCJ90A-HR belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor diode.

Use

It is commonly used for surge protection in electronic circuits and systems to prevent damage from voltage spikes and transients.

Characteristics

  • Fast response time
  • High surge capability
  • Low clamping voltage
  • RoHS compliant

Package

The SMCJ90A-HR is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ90A-HR lies in its ability to quickly divert excessive current away from sensitive components, thereby protecting them from damage due to voltage surges.

Packaging/Quantity

The SMCJ90A-HR is usually packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 90V
  • Maximum Clamping Voltage: 146V
  • Operating Temperature Range: -55°C to +175°C
  • Reverse Standoff Voltage: 77.4V
  • Forward Voltage: 3.5V at 10A

Detailed Pin Configuration

The SMCJ90A-HR has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Rapid response to transient overvoltage conditions
  • Low leakage current
  • High reliability and durability
  • Compact size for easy integration into circuit designs

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast reaction time
  • Wide operating temperature range

Disadvantages

  • Higher cost compared to traditional diodes
  • Limited to low to medium power applications

Working Principles

When a voltage surge occurs, the SMCJ90A-HR conducts excess current to ground, limiting the voltage across the protected load. This action helps to safeguard sensitive components from potential damage.

Detailed Application Field Plans

The SMCJ90A-HR is widely used in various electronic systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: SMCJ100A-HR

    • Breakdown Voltage: 100V
    • Maximum Clamping Voltage: 162V
    • Peak Pulse Power: 1500W
    • Package: DO-214AB (SMC)

  • Alternative Model 2: SMCJ110A-HR

    • Breakdown Voltage: 110V
    • Maximum Clamping Voltage: 177V
    • Peak Pulse Power: 1500W
    • Package: DO-214AB (SMC)

  • Alternative Model 3: SMCJ120A-HR

    • Breakdown Voltage: 120V
    • Maximum Clamping Voltage: 193V
    • Peak Pulse Power: 1500W
    • Package: DO-214AB (SMC)

In conclusion, the SMCJ90A-HR is a crucial component in protecting electronic circuits from voltage surges, offering fast response times and high surge 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 SMCJ90A-HR en soluciones técnicas

  1. What is the maximum peak pulse power of SMCJ90A-HR?

    • The maximum peak pulse power of SMCJ90A-HR is 3000 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SMCJ90A-HR?

    • The breakdown voltage of SMCJ90A-HR is typically 100 volts.

  3. What is the operating temperature range for SMCJ90A-HR?

    • SMCJ90A-HR has an operating temperature range of -55°C to +150°C.

  4. What are the typical applications for SMCJ90A-HR?

    • SMCJ90A-HR is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the reverse stand-off voltage of SMCJ90A-HR?

    • The reverse stand-off voltage of SMCJ90A-HR is 77.8 volts.

  6. Does SMCJ90A-HR meet industry standards for surge protection?

    • Yes, SMCJ90A-HR complies with industry standards such as IEC 61000-4-5 for surge immunity.

  7. What is the response time of SMCJ90A-HR to transient surges?

    • SMCJ90A-HR has a fast response time of less than 1 picosecond.

  8. Can SMCJ90A-HR be used for overvoltage protection in power supply units?

    • Yes, SMCJ90A-HR is suitable for overvoltage protection in power supply units and other sensitive electronic equipment.

  9. Is SMCJ90A-HR RoHS compliant?

    • Yes, SMCJ90A-HR is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What is the packaging option available for SMCJ90A-HR?

    • SMCJ90A-HR is available in a surface mount package (SMD) for easy integration into circuit boards.