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SMCJ90A-HRA
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SMCJ90A-HRA

Introduction

The SMCJ90A-HRA is a high-reliability transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the SMCJ90A-HRA, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SMCJ90A-HRA belongs to the category of transient voltage suppressor diodes, which are widely used in electronic circuits to protect semiconductor devices from voltage spikes and surges.

Basic Information Overview

  • Use: The SMCJ90A-HRA is used to protect sensitive electronic equipment from transient voltage events.
  • Characteristics: It offers high reliability and robust protection against voltage transients.
  • Package: The diode is typically available in a surface-mount package.
  • Essence: The essence of the SMCJ90A-HRA lies in its ability to rapidly clamp transient voltages to safe levels.
  • Packaging/Quantity: It is commonly packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.

Specifications

  • Voltage Rating: 90V
  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 100V to 110V
  • Operating Temperature Range: -55°C to +175°C
  • Package Type: SMC (DO-214AB)

Detailed Pin Configuration

The SMCJ90A-HRA typically has two pins, with the cathode connected to the ground and the anode connected to the protected circuit.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapidly responds to transient events to prevent damage to sensitive electronics.
  • High Reliability: Designed for long-term, reliable operation in demanding environments.

Advantages and Disadvantages

Advantages

  • Robust protection against voltage transients
  • Fast response time
  • High reliability and durability

Disadvantages

  • May require additional circuitry for comprehensive surge protection
  • Limited to specific voltage ratings

Working Principles

The SMCJ90A-HRA operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage, effectively diverting excess current away from the protected circuit.

Detailed Application Field Plans

The SMCJ90A-HRA is commonly used in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMCJ5.0A-HRA: 5V rating
  • SMCJ15A-HRA: 15V rating
  • SMCJ30A-HRA: 30V rating
  • SMCJ60A-HRA: 60V rating

In conclusion, the SMCJ90A-HRA transient voltage suppressor diode offers robust protection, fast response time, and high reliability, making it an essential component in safeguarding sensitive electronic equipment from transient voltage events.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ90A-HRA v technických řešeních

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

    • The maximum peak pulse power of SMCJ90A-HRA is 1500 watts for a 10/1000μs waveform.

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

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

  3. What are the typical applications for SMCJ90A-HRA?

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

  4. What is the clamping voltage of SMCJ90A-HRA?

    • The clamping voltage of SMCJ90A-HRA is 146 volts at 77.5A.

  5. Is SMCJ90A-HRA RoHS compliant?

    • Yes, SMCJ90A-HRA is RoHS compliant, making it suitable for use in environmentally conscious designs.

  6. What is the operating temperature range of SMCJ90A-HRA?

    • SMCJ90A-HRA has an operating temperature range of -55°C to +175°C, allowing for reliable performance in various environments.

  7. Does SMCJ90A-HRA have a low leakage current?

    • Yes, SMCJ90A-HRA features a low leakage current, which is essential for minimizing power loss and ensuring efficient operation.

  8. Can SMCJ90A-HRA be used for overvoltage protection in power supplies?

    • Yes, SMCJ90A-HRA is suitable for overvoltage protection in power supplies, helping to safeguard against voltage transients and surges.

  9. What is the response time of SMCJ90A-HRA?

    • SMCJ90A-HRA offers a fast response time, typically responding within nanoseconds to clamp transient voltages and protect connected devices.

  10. Is SMCJ90A-HRA available in surface mount packages?

    • Yes, SMCJ90A-HRA is available in a surface mount package, providing ease of integration into compact electronic designs.