Vishay Semiconductor Diodes Division
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SMBJ90-E3/52
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SMBJ90-E3/52

Product Overview

The SMBJ90-E3/52 belongs to the category of transient voltage suppressor diodes. These diodes are designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. The SMBJ90-E3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface mount DO-214AA (SMB) package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Part Number: SMBJ90-E3/52
  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-214AA (SMB)
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Detailed Pin Configuration

The SMBJ90-E3/52 diode has two pins, anode, and cathode, which are essential for its proper functioning. The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

The SMBJ90-E3/52 diode provides effective protection by clamping the transient voltage to a safe level, thereby safeguarding the connected circuitry. Its fast response time ensures minimal disruption to the protected electronics during transient events.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Sensitive to reverse voltage polarity
  • Limited power dissipation capability

Working Principles

When a transient voltage spike occurs, the SMBJ90-E3/52 diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit. This action helps prevent damage to sensitive components.

Detailed Application Field Plans

The SMBJ90-E3/52 diode finds extensive use in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ90-E3/52 diode include: - SMAJ90A - P6SMBJ90A - 1.5SMCJ90A - SMCJ90CA

In conclusion, the SMBJ90-E3/52 transient voltage suppressor diode offers reliable protection against voltage transients, making it an essential component in numerous electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ90-E3/52 v technických řešeních

  1. What is the SMBJ90-E3/52?

    • The SMBJ90-E3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ90-E3/52?

    • The maximum peak pulse power of the SMBJ90-E3/52 is 600 watts for an 8/20 µs waveform.

  3. What is the breakdown voltage of the SMBJ90-E3/52?

    • The breakdown voltage of the SMBJ90-E3/52 is 90 volts.

  4. What are the typical applications of the SMBJ90-E3/52?

    • The SMBJ90-E3/52 is commonly used in applications such as telecommunications equipment, industrial control systems, consumer electronics, and automotive electronics to protect against voltage surges and ESD events.

  5. What is the operating temperature range of the SMBJ90-E3/52?

    • The SMBJ90-E3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the clamping voltage of the SMBJ90-E3/52?

    • The clamping voltage of the SMBJ90-E3/52 at its peak pulse current is typically 146 volts.

  7. Does the SMBJ90-E3/52 meet any industry standards?

    • Yes, the SMBJ90-E3/52 complies with the requirements of RoHS and is also halogen-free.

  8. What is the package type of the SMBJ90-E3/52?

    • The SMBJ90-E3/52 is available in a DO-214AA (SMB) package.

  9. Can the SMBJ90-E3/52 be used for surge protection in power supply units?

    • Yes, the SMBJ90-E3/52 is suitable for surge protection in power supply units, providing reliable protection against voltage spikes and transients.

  10. Is the SMBJ90-E3/52 suitable for high-speed data lines?

    • Yes, the SMBJ90-E3/52 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces from transient voltage events.