Vishay Semiconductor Diodes Division
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1.5SMC18A-M3/9AT
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1.5SMC18A-M3/9AT

Product Overview

Category

The 1.5SMC18A-M3/9AT belongs to the category of surface mount transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Characteristics

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

Package

The 1.5SMC18A-M3/9AT is available in a DO-214AB (SMC) package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The 1.5SMC18A-M3/9AT is typically packaged in reels with a quantity of 1500 units per reel.

Specifications

  • Standoff Voltage: 15.3V
  • Breakdown Voltage: 17V
  • Maximum Clamping Voltage: 29.2V
  • Peak Pulse Current: 43.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC18A-M3/9AT has a standard SMC package with two leads, anode, and cathode.

Functional Features

  • Bi-directional TVS diode
  • Provides protection against overvoltage transients
  • Low incremental surge resistance
  • High temperature stability

Advantages and Disadvantages

Advantages

  • Fast response time ensures quick protection
  • High surge current capability for robust performance
  • RoHS compliant for environmental sustainability

Disadvantages

  • May require additional circuitry for comprehensive ESD protection

Working Principles

When an overvoltage transient occurs, the 1.5SMC18A-M3/9AT activates and shunts the excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 1.5SMC18A-M3/9AT is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC18A-M3/9AT include: - P6SMB18A - SMBJ17A - 1.5KE18A

In conclusion, the 1.5SMC18A-M3/9AT is a vital component in protecting electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its application spans across various industries, making it an essential part of modern electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5SMC18A-M3/9AT v technických řešeních

  1. What is the voltage rating of 1.5SMC18A-M3/9AT?

    • The voltage rating of 1.5SMC18A-M3/9AT is 18V.

  2. What is the peak pulse power of 1.5SMC18A-M3/9AT?

    • The peak pulse power of 1.5SMC18A-M3/9AT is 1500W.

  3. What is the breakdown voltage of 1.5SMC18A-M3/9AT?

    • The breakdown voltage of 1.5SMC18A-M3/9AT is 20V.

  4. What are the typical applications for 1.5SMC18A-M3/9AT?

    • Typical applications for 1.5SMC18A-M3/9AT include transient voltage suppression in electronic equipment, automotive systems, and industrial controls.

  5. What is the maximum clamping voltage of 1.5SMC18A-M3/9AT?

    • The maximum clamping voltage of 1.5SMC18A-M3/9AT is 29.2V at 24A.

  6. What is the operating temperature range of 1.5SMC18A-M3/9AT?

    • The operating temperature range of 1.5SMC18A-M3/9AT is -55°C to +150°C.

  7. Is 1.5SMC18A-M3/9AT RoHS compliant?

    • Yes, 1.5SMC18A-M3/9AT is RoHS compliant.

  8. What is the package type of 1.5SMC18A-M3/9AT?

    • 1.5SMC18A-M3/9AT comes in a DO-214AB (SMC) package.

  9. Does 1.5SMC18A-M3/9AT have a low leakage current?

    • Yes, 1.5SMC18A-M3/9AT has a low leakage current.

  10. Can 1.5SMC18A-M3/9AT be used for surge protection in telecommunications equipment?

    • Yes, 1.5SMC18A-M3/9AT is suitable for surge protection in telecommunications equipment.