Vishay Semiconductor Diodes Division
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SMBJ51AHE3/52
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SMBJ51AHE3/52

Product Overview

The SMBJ51AHE3/52 belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are designed to protect sensitive components from voltage spikes and transients, making them essential for ensuring the reliability and longevity of electronic devices. The SMBJ51AHE3/52 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 packaging quantities to suit different production requirements.

Specifications

  • Part Number: SMBJ51AHE3/52
  • Category: Transient Voltage Suppressor Diode (TVS Diode)
  • Use: Surge protection in electronic circuits
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface-mount
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Detailed Pin Configuration

The SMBJ51AHE3/52 diode features a standard surface-mount package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the circuit.

Advantages and Disadvantages

Advantages

  • Reliable surge protection for sensitive electronic components.
  • Low clamping voltage helps minimize stress on connected devices.

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection in complex systems.

Working Principles

When a voltage spike or transient occurs in the circuit, the SMBJ51AHE3/52 diode rapidly conducts, diverting the excess energy away from the protected components. This action effectively limits the voltage across the circuit, preventing damage to sensitive electronics.

Detailed Application Field Plans

The SMBJ51AHE3/52 diodes find extensive use in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

For users seeking alternative TVS diode models, the following options can be considered: - 1. P6KE51CA - Similar specifications and performance - 2. 1.5SMC51CA - Higher power handling capability - 3. SMAJ51A - Compact form factor for space-constrained designs

In conclusion, the SMBJ51AHE3/52 TVS diode offers reliable surge protection and fast response times, making it an essential component in safeguarding electronic circuits against voltage transients.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ51AHE3/52 v technických řešeních

Sure, here are 10 common questions and answers related to the application of SMBJ51AHE3/52 in technical solutions:

  1. What is the SMBJ51AHE3/52?

    • The SMBJ51AHE3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ51AHE3/52?

    • The maximum peak pulse power of the SMBJ51AHE3/52 is 600 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of the SMBJ51AHE3/52?

    • The breakdown voltage of the SMBJ51AHE3/52 is 51 volts.

  4. What are the typical applications of the SMBJ51AHE3/52?

    • The SMBJ51AHE3/52 is commonly used in telecommunications equipment, consumer electronics, industrial automation, and automotive electronics to protect against voltage surges and transients.

  5. What is the operating temperature range of the SMBJ51AHE3/52?

    • The SMBJ51AHE3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ51AHE3/52?

    • The response time of the SMBJ51AHE3/52 is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is the SMBJ51AHE3/52 RoHS compliant?

    • Yes, the SMBJ51AHE3/52 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. Can the SMBJ51AHE3/52 be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ51AHE3/52 can be used to provide overvoltage protection in power supply circuits to safeguard sensitive components from voltage spikes.

  9. What is the package type of the SMBJ51AHE3/52?

    • The SMBJ51AHE3/52 is available in a DO-214AA (SMB) package, which is suitable for surface mount applications.

  10. Are there any recommended layout considerations when using the SMBJ51AHE3/52?

    • It is recommended to minimize the length and area of the traces connecting the SMBJ51AHE3/52 to the protected circuit and to ensure a low impedance path to ground for optimal performance.

I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.