Vishay Semiconductor Diodes Division
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SMF58A-HE3-18
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SMF58A-HE3-18

Product Overview

Category

The SMF58A-HE3-18 belongs to the category of surface mount TVS diodes.

Use

It is used for transient voltage suppression in electronic circuits to protect against voltage spikes and surges.

Characteristics

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

Package

The SMF58A-HE3-18 is available in a surface mount package.

Essence

The essence of this product lies in its ability to provide robust protection against transient voltage events.

Packaging/Quantity

The SMF58A-HE3-18 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Peak Pulse Power: 200 W
  • Breakdown Voltage: 58 V
  • Maximum Clamping Voltage: 93.6 V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMF58A-HE3-18 has a standard SOD-123FL package with two pins.

Functional Features

  • Bi-directional protection
  • Low leakage current
  • ESD protection

Advantages and Disadvantages

Advantages

  • Fast response time protects sensitive components
  • High surge current capability
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage compared to some higher-rated TVS diodes
  • May require additional components for comprehensive circuit protection

Working Principles

The SMF58A-HE3-18 operates by diverting transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

Some alternative models to the SMF58A-HE3-18 include: - SMAJ58A - SMBJ58A - SMCJ58A - P6SMB58A

In conclusion, the SMF58A-HE3-18 is a surface mount TVS diode that provides robust transient voltage suppression for a wide range of electronic applications. Its fast response time, high surge current capability, and bi-directional protection make it a valuable component in protecting sensitive circuits from voltage spikes and surges. While it may have limitations in terms of breakdown voltage, it remains a popular choice for many design engineers seeking reliable transient voltage protection.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMF58A-HE3-18 i tekniska lösningar

  1. What is SMF58A-HE3-18?

    • SMF58A-HE3-18 is a surface mount, high-efficiency, low VF Schottky barrier rectifier diode.

  2. What are the key features of SMF58A-HE3-18?

    • The key features include a low forward voltage drop, high current capability, and a compact surface mount package.

  3. What are the typical applications for SMF58A-HE3-18?

    • Typical applications include polarity protection, freewheeling diodes, and reverse battery protection in various technical solutions.

  4. What is the maximum forward voltage of SMF58A-HE3-18?

    • The maximum forward voltage is typically around 0.55V at a forward current of 5A.

  5. What is the maximum reverse voltage of SMF58A-HE3-18?

    • The maximum reverse voltage is 30V.

  6. What is the operating temperature range of SMF58A-HE3-18?

    • The operating temperature range is from -65°C to +150°C.

  7. Is SMF58A-HE3-18 RoHS compliant?

    • Yes, SMF58A-HE3-18 is RoHS compliant.

  8. What is the package type of SMF58A-HE3-18?

    • It comes in a compact, surface mount DO-219AB (SMF) package.

  9. What are the recommended soldering conditions for SMF58A-HE3-18?

    • The recommended peak reflow temperature is 260°C, and the recommended soldering time is 10 seconds.

  10. Where can I find detailed specifications and application notes for SMF58A-HE3-18?

    • Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or distributor.