Vishay Semiconductor Diodes Division
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SMBJ17A-E3/5B
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SMBJ17A-E3/5B

Product Overview

The SMBJ17A-E3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMBJ17A-E3/5B is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a DO-214AA (SMB) package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Voltage Rating: 17V
  • Power Dissipation: 600W
  • Breakdown Voltage: 18.9V
  • Clamping Voltage: 29.2V
  • Peak Pulse Current: 23.3A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ17A-E3/5B follows the standard pin configuration for diodes, with anode and cathode terminals.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High surge capability

Disadvantages

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

Working Principles

When a transient voltage spike occurs, the SMBJ17A-E3/5B conducts and clamps the voltage to a safe level, diverting the excess energy away from the sensitive components. This action protects the downstream circuitry from damage due to overvoltage events.

Detailed Application Field Plans

The SMBJ17A-E3/5B is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ15A-E3/5B: 15V rating
  • SMBJ20A-E3/5B: 20V rating
  • SMBJ24A-E3/5B: 24V rating
  • SMBJ30A-E3/5B: 30V rating

In conclusion, the SMBJ17A-E3/5B is a vital component in protecting electronic circuits from voltage transients, offering fast response and high surge capability. Its application spans across diverse industries, ensuring the reliability and longevity of electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ17A-E3/5B v technických řešeních

  1. What is the SMBJ17A-E3/5B?

    • The SMBJ17A-E3/5B is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of the SMBJ17A-E3/5B?

    • The maximum peak pulse power of the SMBJ17A-E3/5B is 600 watts for an 8/20 µs waveform.

  3. What is the breakdown voltage of the SMBJ17A-E3/5B?

    • The breakdown voltage of the SMBJ17A-E3/5B is 18.9V.

  4. What are the typical applications for the SMBJ17A-E3/5B?

    • Typical applications for the SMBJ17A-E3/5B include protection of telecommunications equipment, portable electronics, automotive systems, and industrial controls.

  5. What is the operating temperature range of the SMBJ17A-E3/5B?

    • The operating temperature range of the SMBJ17A-E3/5B is -55°C to +150°C.

  6. What is the clamping voltage of the SMBJ17A-E3/5B?

    • The clamping voltage of the SMBJ17A-E3/5B at its peak pulse current is 27.4V.

  7. Is the SMBJ17A-E3/5B RoHS compliant?

    • Yes, the SMBJ17A-E3/5B is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. Can the SMBJ17A-E3/5B be used for surge protection in power supply units?

    • Yes, the SMBJ17A-E3/5B is suitable for surge protection in power supply units to safeguard against voltage spikes and surges.

  9. What is the package type of the SMBJ17A-E3/5B?

    • The SMBJ17A-E3/5B is available in a DO-214AA (SMB) package.

  10. Does the SMBJ17A-E3/5B require any external components for proper operation?

    • No, the SMBJ17A-E3/5B does not require any external components for proper operation as it is a standalone transient voltage suppressor diode.