Vishay Semiconductor Diodes Division
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SMAJ18C-E3/5A
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SMAJ18C-E3/5A

Product Overview

Category

The SMAJ18C-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

  • Package: SMA (DO-214AC)
  • Essence: Transient Voltage Suppressor (TVS) Diode
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities depending on supplier and order size.

Specifications

The SMAJ18C-E3/5A has the following key specifications: - Peak Pulse Power: 400W - Breakdown Voltage: 18V - Clamping Voltage: 29.2V - Operating Temperature Range: -55°C to +150°C - Forward Voltage Drop: 0.9V at 1A

Detailed Pin Configuration

The SMAJ18C-E3/5A follows the standard pin configuration for SMA diodes, with two leads for connection to the circuit.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level.
  • Fast Response Time: Rapid reaction to voltage transients, protecting downstream components.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Compact form factor
  • Wide operating temperature range

Disadvantages

  • Limited maximum clamping voltage
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ18C-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ18C-E3/5A finds application in various fields including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage transients - Industrial Control Systems: Shielding control circuitry from power supply fluctuations

Detailed and Complete Alternative Models

Some alternative models to the SMAJ18C-E3/5A include: - P6KE18CA: Similar TVS diode with higher peak pulse power - 1.5KE18A: TVS diode with different package and characteristics suitable for specific applications

In conclusion, the SMAJ18C-E3/5A serves as a crucial component in safeguarding electronic circuits from transient voltage events, finding widespread use across various industries due to its compact design and reliable performance.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ18C-E3/5A en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of SMAJ18C-E3/5A in technical solutions:

  1. What is the maximum peak pulse power dissipation of SMAJ18C-E3/5A?

    • The maximum peak pulse power dissipation is 400 watts for a 10/1000 µs waveform.

  2. What is the breakdown voltage of SMAJ18C-E3/5A?

    • The breakdown voltage is 18 volts.

  3. What is the typical reverse stand-off voltage of SMAJ18C-E3/5A?

    • The typical reverse stand-off voltage is 15.3 volts.

  4. What is the clamping voltage of SMAJ18C-E3/5A at a peak pulse current of 5A?

    • The clamping voltage at 5A is 29.2 volts.

  5. What is the operating temperature range of SMAJ18C-E3/5A?

    • The operating temperature range is -55°C to +150°C.

  6. What are the typical applications for SMAJ18C-E3/5A?

    • Typical applications include protection of sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

  7. What is the response time of SMAJ18C-E3/5A?

    • The response time is typically less than 1 picosecond.

  8. Can SMAJ18C-E3/5A be used in automotive applications?

    • Yes, it can be used in automotive electronics for transient voltage suppression.

  9. What is the package type of SMAJ18C-E3/5A?

    • It is available in a DO-214AC (SMA) package.

  10. Is SMAJ18C-E3/5A compliant with RoHS requirements?

    • Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive.

I hope these questions and answers are helpful for your technical solutions! Let me know if you need further assistance.