Vishay Semiconductor Diodes Division
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SMF15A-E3-18
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SMF15A-E3-18

Product Overview

Category

The SMF15A-E3-18 belongs to the category of surface mount transient voltage suppressor diodes.

Use

It is used for protecting sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Characteristics

  • Low profile package
  • Fast response time
  • High surge capability
  • ESD protection

Package

The SMF15A-E3-18 is available in a DO-219AB (SMF) package.

Essence

The essence of the SMF15A-E3-18 lies in its ability to provide robust transient voltage suppression for electronic circuits.

Packaging/Quantity

It is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 16.7V to 18.5V
  • Maximum Clamping Voltage: 28.5V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF15A-E3-18 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Provides effective protection against voltage transients
  • Fast response time ensures minimal damage to protected circuits
  • RoHS compliance supports environmental sustainability

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMF15A-E3-18 operates by diverting excessive transient currents away from sensitive electronic components, thereby limiting the voltage across the protected device.

Detailed Application Field Plans

The SMF15A-E3-18 is commonly used in: - Telecommunication equipment - Portable electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMF15A-E3-18 include: - SMAJ16A - SMBJ18A - SMCJ18A - P4SMA18A

In conclusion, the SMF15A-E3-18 is a crucial component in safeguarding electronic devices from voltage transients, offering fast response times and high surge capabilities. Its application spans various industries, and it can be replaced by several alternative models with similar functionalities.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMF15A-E3-18 v technických řešeních

  1. What is the maximum forward voltage of SMF15A-E3-18?

    • The maximum forward voltage of SMF15A-E3-18 is 0.5V at 1A.

  2. What is the peak pulse power dissipation of SMF15A-E3-18?

    • The peak pulse power dissipation of SMF15A-E3-18 is 400W for a 10/1000μs waveform.

  3. What is the breakdown voltage of SMF15A-E3-18?

    • The breakdown voltage of SMF15A-E3-18 is typically 16.7V.

  4. What is the operating temperature range of SMF15A-E3-18?

    • The operating temperature range of SMF15A-E3-18 is -55°C to +150°C.

  5. What is the reverse stand-off voltage of SMF15A-E3-18?

    • The reverse stand-off voltage of SMF15A-E3-18 is 15V.

  6. What is the typical capacitance of SMF15A-E3-18?

    • The typical capacitance of SMF15A-E3-18 is 115pF at 1MHz and 1V.

  7. What is the package type of SMF15A-E3-18?

    • SMF15A-E3-18 comes in a SOD-123FL package.

  8. What are the applications of SMF15A-E3-18?

    • SMF15A-E3-18 is commonly used in surge protection, transient voltage suppression, and ESD protection in various electronic circuits.

  9. What is the reverse leakage current of SMF15A-E3-18?

    • The reverse leakage current of SMF15A-E3-18 is typically 1μA at its stand-off voltage.

  10. What are the key features of SMF15A-E3-18?

    • SMF15A-E3-18 features low profile package, ideal for automated placement, and meets MSL level 1, per J-STD-020, LF maximum peak of 260°C.