Vishay Semiconductor Diodes Division
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SMBJ40AHE3/52
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SMBJ40AHE3/52

Product Overview

The SMBJ40AHE3/52 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ40AHE3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface mount DO-214AB package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Voltage Rating: 40V
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to +150°C
  • Breakdown Voltage: 44.4V to 49.1V
  • Reverse Standoff Voltage: 40V
  • Clamping Voltage: 64.5V at 10A
  • Package Type: DO-214AB (SMC)

Detailed Pin Configuration

The SMBJ40AHE3/52 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage, protecting downstream components.
  • Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuitry.
  • High Surge Capability: Able to withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to a specific voltage rating
  • Sensitive to reverse polarity connection

Working Principles

The SMBJ40AHE3/52 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the protected load.

Detailed Application Field Plans

The SMBJ40AHE3/52 is widely 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 the SMBJ40AHE3/52 include: - P6SMBJ40CA: Similar specifications with a different package type - SMBJ40CA: Lower power rating but compatible for certain applications - SMBJ40A: Higher power rating and different package type

In conclusion, the SMBJ40AHE3/52 transient voltage suppressor diode offers reliable protection against voltage transients in a wide range of electronic applications, making it an essential component for ensuring the longevity and reliability of sensitive electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ40AHE3/52 v technických řešeních

  1. What is the SMBJ40AHE3/52?

    • The SMBJ40AHE3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ40AHE3/52?

    • The maximum peak pulse power of the SMBJ40AHE3/52 is 400 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of the SMBJ40AHE3/52?

    • The breakdown voltage of the SMBJ40AHE3/52 is 44.4V.

  4. What are the typical applications of the SMBJ40AHE3/52?

    • The SMBJ40AHE3/52 is commonly used in telecommunications equipment, computers, industrial and consumer electronics, and automotive systems to protect against voltage transients.

  5. What is the operating temperature range of the SMBJ40AHE3/52?

    • The SMBJ40AHE3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ40AHE3/52?

    • The response time of the SMBJ40AHE3/52 is very fast, typically less than 1 picosecond.

  7. Is the SMBJ40AHE3/52 RoHS compliant?

    • Yes, the SMBJ40AHE3/52 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of the SMBJ40AHE3/52?

    • The SMBJ40AHE3/52 is available in a DO-214AA (SMB) package.

  9. What is the clamping voltage of the SMBJ40AHE3/52?

    • The clamping voltage of the SMBJ40AHE3/52 is 64.4V at 10A.

  10. Can the SMBJ40AHE3/52 be used in high-speed data line protection?

    • Yes, the SMBJ40AHE3/52 is suitable for high-speed data line protection due to its fast response time and low clamping voltage characteristics.