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SMBJ90
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SMBJ90 Product Overview

Product Information

Belongs to: SMBJ90 belongs to the category of transient voltage suppressor diodes.

Basic Information Overview: - Category: Transient Voltage Suppressor Diode - Use: SMBJ90 is used to protect sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. - Characteristics: Fast response time, low clamping voltage, high surge current capability. - Package: SMB (DO-214AA) package - Essence: Provides robust protection for electronic circuits against voltage transients. - Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.

Specifications

  • Voltage - Reverse Standoff (Typ): 90V
  • Voltage - Breakdown (Min): 100V
  • Clamping Voltage @ Ipp: 146V
  • Peak Pulse Current: 10A
  • Operating Temperature: -55°C to 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AA (SMB)

Detailed Pin Configuration

The SMBJ90 diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Transient Voltage Suppression: Protects electronic circuits by diverting excessive current away from sensitive components during voltage transients.
  • Fast Response Time: Quickly responds to transient events, minimizing the risk of damage to connected devices.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, reducing the risk of damage.

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Low clamping voltage

Disadvantages: - Limited peak pulse current compared to higher-rated devices - Operating temperature range may not be suitable for extreme environments

Working Principles

SMBJ90 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly switches into its low impedance state, diverting excess current away from the protected circuit. This action limits the voltage across the circuit, safeguarding sensitive components.

Detailed Application Field Plans

SMBJ90 is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ90 include: - SMBJ5.0A: 5.0V reverse standoff voltage - SMBJ15CA: 15V reverse standoff voltage - SMBJ33A: 33V reverse standoff voltage - SMBJ170A: 170V reverse standoff voltage

In summary, SMBJ90 is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and low clamping voltages. Its application spans across various industries, providing essential safeguarding for sensitive electronic devices.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ90 en soluciones técnicas

  1. What is the SMBJ90?

    • The SMBJ90 is a type of surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ90?

    • The SMBJ90 has a maximum voltage rating of 90 volts, making it suitable for protecting electronic circuits from moderate voltage surges.

  3. What is the typical application of the SMBJ90?

    • The SMBJ90 is commonly used in various electronic devices and systems to protect against transient overvoltage events, such as in power supplies, communication equipment, and automotive electronics.

  4. How does the SMBJ90 provide protection?

    • The SMBJ90 clamps the voltage across the protected circuit when a transient event occurs, diverting excess current away from sensitive components and preventing damage.

  5. What are the key features of the SMBJ90?

    • The SMBJ90 features low clamping voltage, fast response time, and high surge capability, making it an effective solution for transient voltage suppression.

  6. Can the SMBJ90 be used in high-speed data lines?

    • Yes, the SMBJ90 is suitable for use in high-speed data lines, providing protection against voltage transients that could otherwise damage sensitive data communication equipment.

  7. What is the operating temperature range of the SMBJ90?

    • The SMBJ90 typically operates within a temperature range of -55°C to 150°C, allowing it to function effectively in a wide range of environmental conditions.

  8. Is the SMBJ90 RoHS compliant?

    • Yes, the SMBJ90 is generally RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic components.

  9. What are the mounting options for the SMBJ90?

    • The SMBJ90 is available in a surface mount package, allowing for easy integration into printed circuit boards and other electronic assemblies.

  10. Are there any recommended layout considerations when using the SMBJ90?

    • It is recommended to minimize the length of traces between the SMBJ90 and the protected circuitry, and to ensure proper grounding and routing to optimize its performance in suppressing transient events.