Vishay Semiconductor Diodes Division
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SM8S18ATHE3/I
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SM8S18ATHE3/I

Product Overview

Category

The SM8S18ATHE3/I belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against voltage transients and spikes.

Characteristics

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

Package

The SM8S18ATHE3/I comes in a surface mount DO-218AB package.

Essence

This TVS diode provides robust transient voltage protection for sensitive electronic components.

Packaging/Quantity

It is typically packaged in reels with quantities varying based on customer requirements.

Specifications

  • Peak Pulse Power: 800W
  • Breakdown Voltage: 18V
  • Operating Voltage: 15.3V
  • Maximum Clamping Voltage: 24.4V
  • Leakage Current: 1µA

Detailed Pin Configuration

The SM8S18ATHE3/I has a standard DO-218AB package with two pins, anode, and cathode.

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage ensures protection of downstream components
  • High surge capability for reliable performance under surge conditions

Advantages

  • Robust surge protection
  • Compact surface mount package
  • RoHS compliant

Disadvantages

  • May require additional circuitry for comprehensive ESD protection

Working Principles

The SM8S18ATHE3/I operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across them.

Detailed Application Field Plans

  • Industrial automation
  • Telecommunication equipment
  • Automotive electronics
  • Power supplies
  • Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ18A
  • P6SMB18A
  • SMCJ18A
  • 1.5SMC18A

In conclusion, the SM8S18ATHE3/I TVS diode offers robust surge protection with its high surge capability and low clamping voltage, making it suitable for a wide range of applications in various industries.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SM8S18ATHE3/I i tekniska lösningar

  1. What is the maximum peak pulse power of SM8S18ATHE3/I?

    • The maximum peak pulse power of SM8S18ATHE3/I is 800 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SM8S18ATHE3/I?

    • The breakdown voltage of SM8S18ATHE3/I is 20 volts.

  3. What is the typical clamping voltage of SM8S18ATHE3/I?

    • The typical clamping voltage of SM8S18ATHE3/I is 29.2 volts at 50A.

  4. What is the operating temperature range of SM8S18ATHE3/I?

    • The operating temperature range of SM8S18ATHE3/I is -55°C to +150°C.

  5. What is the package type of SM8S18ATHE3/I?

    • SM8S18ATHE3/I comes in a DO-218AB package.

  6. What are the typical applications of SM8S18ATHE3/I?

    • SM8S18ATHE3/I is commonly used in surge protection for telecommunications equipment, industrial and consumer electronics, and automotive systems.

  7. Does SM8S18ATHE3/I comply with RoHS requirements?

    • Yes, SM8S18ATHE3/I is compliant with RoHS requirements.

  8. What is the reverse stand-off voltage of SM8S18ATHE3/I?

    • The reverse stand-off voltage of SM8S18ATHE3/I is 15 volts.

  9. What is the peak pulse current of SM8S18ATHE3/I?

    • The peak pulse current of SM8S18ATHE3/I is 50A.

  10. Is SM8S18ATHE3/I suitable for high-reliability applications?

    • Yes, SM8S18ATHE3/I is suitable for high-reliability applications due to its robust design and performance characteristics.