Vishay Semiconductor Diodes Division
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SMAJ70-E3/5A
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SMAJ70-E3/5A

Product Overview

Category

The SMAJ70-E3/5A belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

  • Voltage Suppression: Capable of suppressing transient voltages up to 70V.
  • Fast Response Time: Provides rapid response to voltage transients, safeguarding connected components.
  • Compact Package: Designed in a small form factor, suitable for integration into various electronic systems.
  • Robustness: Exhibits high durability and reliability under transient voltage conditions.

Package

The SMAJ70-E3/5A is typically available in a surface mount package, facilitating easy installation onto printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to effectively mitigate transient voltage events, thereby protecting downstream electronic components from potential damage.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage Rating: 70V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ70-E3/5A features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 serves as the anode.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Ensures that the clamping voltage remains low during transient events, minimizing stress on connected circuits.
  • Bidirectional Protection: Offers protection against both positive and negative transient voltage events.

Advantages and Disadvantages

Advantages

  • Effective transient voltage suppression
  • Fast response time
  • Compact form factor
  • Wide operating temperature range

Disadvantages

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

Working Principles

The SMAJ70-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to transient voltage events, diverting the energy away from sensitive components.

Detailed Application Field Plans

This product finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE68CA: Similar voltage rating and power dissipation
  • 1.5SMC75CA: Higher power handling capability with comparable voltage rating
  • SMBJ70A: Lower profile alternative with similar characteristics

In conclusion, the SMAJ70-E3/5A serves as a crucial component in safeguarding electronic circuits from transient voltage events, offering reliable protection and ensuring the integrity of connected systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ70-E3/5A en soluciones técnicas

  1. What is the maximum reverse voltage rating of SMAJ70-E3/5A?

    • The maximum reverse voltage rating of SMAJ70-E3/5A is 70V.

  2. What is the typical clamping voltage of SMAJ70-E3/5A?

    • The typical clamping voltage of SMAJ70-E3/5A is 113V at 10A.

  3. What is the peak pulse power dissipation of SMAJ70-E3/5A?

    • The peak pulse power dissipation of SMAJ70-E3/5A is 400W for a 10/1000μs waveform.

  4. What are the applications of SMAJ70-E3/5A in technical solutions?

    • SMAJ70-E3/5A is commonly used for transient voltage suppression in various electronic circuits, such as power supplies, communication equipment, and automotive electronics.

  5. What is the operating temperature range of SMAJ70-E3/5A?

    • The operating temperature range of SMAJ70-E3/5A is -55°C to +150°C.

  6. Is SMAJ70-E3/5A RoHS compliant?

    • Yes, SMAJ70-E3/5A is RoHS compliant, making it suitable for use in environmentally conscious designs.

  7. What is the package type of SMAJ70-E3/5A?

    • SMAJ70-E3/5A is available in a DO-214AC (SMA) package.

  8. Does SMAJ70-E3/5A provide bidirectional protection?

    • Yes, SMAJ70-E3/5A offers bidirectional transient voltage suppression, making it suitable for protecting both positive and negative voltage transients.

  9. What is the response time of SMAJ70-E3/5A?

    • The response time of SMAJ70-E3/5A is very fast, typically responding within nanoseconds to clamp transient voltages.

  10. Can SMAJ70-E3/5A be used in high-speed data line protection?

    • Yes, SMAJ70-E3/5A is suitable for high-speed data line protection due to its low capacitance and fast response time.

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