Vishay Semiconductor Diodes Division
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SM6T18A-E3/5B
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SM6T18A-E3/5B

Product Overview

Category

The SM6T18A-E3/5B 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

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

Package

The SM6T18A-E3/5B is available in a DO-214AA (SMB) package.

Essence

The essence of the SM6T18A-E3/5B lies in its ability to provide reliable overvoltage protection for sensitive electronic components.

Packaging/Quantity

The product is typically packaged in reels with a quantity varying based on customer requirements.

Specifications

  • Standoff Voltage: 15.3V
  • Breakdown Voltage: 17V
  • Maximum Reverse Leakage Current: 1µA
  • Peak Pulse Power Dissipation: 600W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SM6T18A-E3/5B has two pins, with the cathode connected to the marked side of the package and the anode connected to the opposite side.

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response to transient events
  • Low clamping voltage to protect downstream components

Advantages

  • Robust surge protection
  • Compact form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SM6T18A-E3/5B operates by diverting excess transient current away from sensitive components, thereby limiting the voltage across them.

Detailed Application Field Plans

This TVS diode is commonly used in: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunication equipment

Detailed and Complete Alternative Models

  • SMAJ15A: Similar specifications in a different package
  • P6KE18CA: Higher power dissipation capability
  • SMCJ15A: Surface mount alternative with similar characteristics

In conclusion, the SM6T18A-E3/5B is a reliable TVS diode that offers robust surge protection for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SM6T18A-E3/5B i tekniska lösningar

  1. What is the maximum peak pulse power of SM6T18A-E3/5B?

    • The maximum peak pulse power is 600 watts for a 10/1000 µs waveform.

  2. What is the breakdown voltage of SM6T18A-E3/5B?

    • The breakdown voltage is 16.7 volts minimum and 18.5 volts maximum at 1 mA.

  3. What is the typical clamping voltage of SM6T18A-E3/5B?

    • The typical clamping voltage is 29.2 volts at 19.9 A.

  4. What is the operating temperature range for SM6T18A-E3/5B?

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

  5. What is the package type of SM6T18A-E3/5B?

    • It comes in a DO-214AA (SMB) package.

  6. What are the applications of SM6T18A-E3/5B?

    • It is commonly used in surge protection for sensitive electronics, such as telecommunication equipment, industrial control systems, and automotive electronics.

  7. Does SM6T18A-E3/5B meet RoHS requirements?

    • Yes, it is compliant with the RoHS directive.

  8. What is the lead-free status of SM6T18A-E3/5B?

    • It is lead-free and meets the requirements of RoHS and WEEE.

  9. What is the reverse stand-off voltage of SM6T18A-E3/5B?

    • The reverse stand-off voltage is 18 volts.

  10. Is SM6T18A-E3/5B suitable for high-reliability applications?

    • Yes, it is designed for high-reliability applications and has been qualified to applicable AEC-Q101 standards for automotive-grade products.