Vishay Semiconductor Diodes Division
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SMAJ20-E3/5A
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SMAJ20-E3/5A

Product Overview

  • Category: Electronic Component
  • Use: Voltage Suppression
  • Characteristics: Fast response, high reliability
  • Package: DO-214AC
  • Essence: Protects sensitive electronic devices from voltage spikes
  • Packaging/Quantity: Available in reels of 3000 units

Specifications

  • Voltage Rating: 20V
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 22.2V
  • Clamping Voltage: 32.4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ20-E3/5A has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Provides effective protection against voltage transients
  • Compact size for easy integration into circuit designs
  • Reliable performance under transient conditions

Disadvantages

  • Limited to low voltage applications
  • May require additional components for comprehensive overvoltage protection

Working Principles

The SMAJ20-E3/5A operates by diverting excess voltage away from sensitive components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting downstream electronics.

Detailed Application Field Plans

The SMAJ20-E3/5A is commonly used in: - Consumer electronics - Telecommunication equipment - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

  • 1. P6SMBJ20CA: Similar specifications and package type
  • 2. SMBJ20A: Higher peak pulse power rating
  • 3. 1.5KE20A: Axial package alternative with higher surge capability

This concludes the entry for SMAJ20-E3/5A, providing comprehensive information on its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

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技術ソリューションにおける SMAJ20-E3/5A の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure, here are 10 common questions and answers related to the application of SMAJ20-E3/5A in technical solutions:

  1. What is the voltage rating of SMAJ20-E3/5A?

    • The voltage rating of SMAJ20-E3/5A is 20V.

  2. What is the peak pulse power of SMAJ20-E3/5A?

    • The peak pulse power of SMAJ20-E3/5A is 400W.

  3. What is the breakdown voltage of SMAJ20-E3/5A?

    • The breakdown voltage of SMAJ20-E3/5A is typically 22.2V.

  4. What is the maximum clamping voltage of SMAJ20-E3/5A?

    • The maximum clamping voltage of SMAJ20-E3/5A is 32.4V at 20A.

  5. What are the typical applications for SMAJ20-E3/5A?

    • SMAJ20-E3/5A is commonly used in surge protection for sensitive electronics, such as telecommunication equipment, industrial controls, and automotive systems.

  6. What is the response time of SMAJ20-E3/5A?

    • The response time of SMAJ20-E3/5A is very fast, typically less than 1 picosecond.

  7. Is SMAJ20-E3/5A suitable for overvoltage protection in power supply circuits?

    • Yes, SMAJ20-E3/5A is suitable for providing overvoltage protection in power supply circuits to safeguard against transient voltage spikes.

  8. Can SMAJ20-E3/5A be used in high-speed data lines?

    • Yes, SMAJ20-E3/5A can be used in high-speed data lines to protect against electrostatic discharge (ESD) and other transient voltage events.

  9. What is the operating temperature range of SMAJ20-E3/5A?

    • The operating temperature range of SMAJ20-E3/5A is typically -55°C to +150°C.

  10. Are there any specific layout considerations when using SMAJ20-E3/5A in a PCB design?

    • It is recommended to minimize the length of the traces between the SMAJ20-E3/5A and the protected circuitry and to provide a low-impedance path to ground for optimal performance.

I hope these answers are helpful! Let me know if you need further assistance.