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SMDJ90
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SMDJ90 - Product Overview and Specifications

Introduction

The SMDJ90 belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used to protect sensitive electronic components from voltage spikes and surges. These diodes exhibit characteristics such as high surge capability, low clamping voltage, and fast response time. They are typically packaged in a surface-mount format and are available in various quantities per package.

Basic Information Overview

  • Category: TVS Diode
  • Use: Protection against voltage spikes and surges
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface-mount
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Available in various quantities per package

Specifications

  • Model: SMDJ90
  • Voltage Rating: 90V
  • Peak Pulse Power: 3000W
  • Operating Temperature Range: -55°C to +150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ90 TVS diode has a standard surface-mount package with two pins for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • High Surge Capability: Able to withstand large transient currents without degradation.
  • Low Clamping Voltage: Provides effective protection by limiting the voltage across the protected circuit.
  • Fast Response Time: Quickly responds to voltage spikes, minimizing the risk of damage to sensitive components.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes and surges
  • Fast response time
  • Compact surface-mount package

Disadvantages

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

Working Principles

The SMDJ90 TVS diode works by diverting excess voltage away from sensitive components when a surge occurs. When the voltage exceeds the diode's breakdown voltage, it conducts heavily, shunting the excess current to protect the downstream circuitry.

Detailed Application Field Plans

The SMDJ90 TVS diode finds extensive application in various industries, including: - Telecommunications - Automotive electronics - Industrial equipment - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

  • SMDJ5.0A: 5.0V TVS Diode
  • SMDJ12A: 12V TVS Diode
  • SMDJ24CA: 24V TVS Diode
  • SMDJ58A: 58V TVS Diode

In conclusion, the SMDJ90 TVS diode offers reliable protection against voltage spikes and surges, making it an essential component in safeguarding sensitive electronic circuits across various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMDJ90 en soluciones técnicas

  1. What is SMDJ90?

    • SMDJ90 is a type of TVS (transient voltage suppressor) diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power of SMDJ90?

    • The maximum peak pulse power of SMDJ90 is 3000 watts.

  3. What is the breakdown voltage of SMDJ90?

    • The breakdown voltage of SMDJ90 is 90 volts.

  4. What are the typical applications of SMDJ90?

    • SMDJ90 is commonly used in surge protection for telecommunications equipment, industrial controls, and automotive electronics.

  5. What is the response time of SMDJ90?

    • The response time of SMDJ90 is very fast, typically in the nanosecond range.

  6. How does SMDJ90 provide overvoltage protection?

    • SMDJ90 clamps the voltage across the protected circuit when it exceeds the breakdown voltage, diverting excess current away from sensitive components.

  7. Can SMDJ90 be used for ESD (electrostatic discharge) protection?

    • Yes, SMDJ90 can be used for ESD protection in sensitive electronic devices and integrated circuits.

  8. What is the operating temperature range of SMDJ90?

    • The operating temperature range of SMDJ90 is typically -55°C to 150°C.

  9. Is SMDJ90 RoHS compliant?

    • Yes, SMDJ90 is RoHS compliant, meaning it meets the requirements of the Restriction of Hazardous Substances directive.

  10. Are there any recommended layout considerations when using SMDJ90 in a circuit?

    • It is recommended to minimize the length and impedance of the connections to SMDJ90 and to place it as close as possible to the protected circuit to maximize its effectiveness.