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SMCJ90CA
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SMCJ90CA - Product Overview and Specifications

Introduction

The SMCJ90CA is a part of the SMCJ series of transient voltage suppressor diodes. These diodes are designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients
  • Characteristics: Fast response time, low clamping voltage
  • Package: SMC (DO-214AB)
  • Essence: Safeguarding electronic circuits from voltage spikes
  • Packaging/Quantity: Tape and Reel, 1800 units per reel

Specifications

  • Peak Pulse Power: 1500 W
  • Breakdown Voltage: 90 V
  • Clamping Voltage: 146 V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ90CA diode has a standard SMC package with two terminals. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage to protect sensitive components
  • High surge capability for reliable protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact SMC package for space-saving designs

Disadvantages

  • Limited power dissipation capability compared to larger packages
  • Higher cost compared to traditional diodes

Working Principles

The SMCJ90CA operates by diverting excess current away from sensitive components when a transient voltage event occurs. It achieves this through a combination of fast response time and low clamping voltage, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ90CA is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMCJ90CA include: - SMCJ10A: 10 V breakdown voltage - SMCJ30A: 30 V breakdown voltage - SMCJ150A: 150 V breakdown voltage - SMCJ300A: 300 V breakdown voltage

In conclusion, the SMCJ90CA transient voltage suppressor diode offers effective protection against voltage transients with its fast response time and low clamping voltage. Its compact SMC package makes it suitable for various applications, although designers should consider its power dissipation limitations and cost when selecting alternatives.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMCJ90CA dalam penyelesaian teknikal

  1. What is SMCJ90CA?

    • SMCJ90CA is a type of transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse current for SMCJ90CA?

    • The maximum peak pulse current for SMCJ90CA is typically 300A.

  3. What is the breakdown voltage of SMCJ90CA?

    • The breakdown voltage of SMCJ90CA is 90V.

  4. What are the typical applications of SMCJ90CA?

    • SMCJ90CA is commonly used in surge protection for telecommunications equipment, power supplies, and other sensitive electronic devices.

  5. What is the response time of SMCJ90CA?

    • The response time of SMCJ90CA is very fast, typically in the nanosecond range.

  6. How does SMCJ90CA compare to other transient voltage suppressors?

    • SMCJ90CA offers higher power handling capability and lower clamping voltage compared to many other TVS diodes.

  7. What is the operating temperature range for SMCJ90CA?

    • The operating temperature range for SMCJ90CA is usually -55°C to 150°C.

  8. Can SMCJ90CA be used for automotive applications?

    • Yes, SMCJ90CA is suitable for automotive electronics protection due to its robustness and reliability.

  9. Is SMCJ90CA RoHS compliant?

    • Yes, SMCJ90CA is typically RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. Are there any specific layout considerations when using SMCJ90CA in a circuit?

    • It's important to minimize the length and impedance of the traces connecting SMCJ90CA to the protected circuit and to ensure proper grounding for effective transient suppression.