Littelfuse Inc.
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1.5SMC350
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1.5SMC350

Product Overview

Category:

The 1.5SMC350 belongs to the category of surface mount transient voltage suppressor (TVS) diodes.

Use:

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics:

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

Package:

The 1.5SMC350 is typically available in a DO-214AB (SMC) package.

Essence:

The essence of the 1.5SMC350 lies in its ability to provide robust overvoltage protection for electronic circuits.

Packaging/Quantity:

It is commonly supplied in tape and reel packaging with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 350V
  • Breakdown Voltage: 389V - 431V
  • Peak Pulse Power: 1500W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC350 typically has two pins in a standard SMC package configuration.

Functional Features

  • Provides bi-directional protection
  • Responds quickly to transient voltage events
  • Offers high surge current capability

Advantages

  • Robust protection against transient voltage events
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • May require additional circuitry for comprehensive ESD protection
  • Higher cost compared to some traditional TVS diode solutions

Working Principles

When a transient voltage event occurs, the 1.5SMC350 conducts the excessive current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 1.5SMC350 is widely used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC350 include: - 1.5SMC6.8A - 1.5SMC440A - 1.5SMC15CA

In conclusion, the 1.5SMC350 is a vital component in safeguarding electronic circuits from transient voltage events, finding extensive use across diverse industries due to its robust protection and fast response characteristics.

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  1. What is 1.5SMC350?

    • 1.5SMC350 is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse current for 1.5SMC350?

    • The maximum peak pulse current for 1.5SMC350 is typically 50A.

  3. What is the breakdown voltage of 1.5SMC350?

    • The breakdown voltage of 1.5SMC350 is 350V.

  4. What are the typical applications for 1.5SMC350?

    • 1.5SMC350 is commonly used in power supplies, telecommunications equipment, and automotive electronics to protect against voltage surges.

  5. What is the operating temperature range for 1.5SMC350?

    • The operating temperature range for 1.5SMC350 is usually -55°C to +150°C.

  6. How does 1.5SMC350 provide overvoltage protection?

    • 1.5SMC350 clamps the voltage across the circuit it is protecting by diverting excess current away from sensitive components when an overvoltage event occurs.

  7. Can 1.5SMC350 be used in high-speed data lines?

    • Yes, 1.5SMC350 can be used in high-speed data lines to protect against electrostatic discharge (ESD) and other transient voltage events.

  8. What is the response time of 1.5SMC350 to an overvoltage event?

    • The response time of 1.5SMC350 is very fast, typically in the nanosecond range, providing quick protection to the circuit.

  9. Is 1.5SMC350 RoHS compliant?

    • Yes, 1.5SMC350 is often RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. What are the package options available for 1.5SMC350?

    • 1.5SMC350 is available in various package options such as DO-214AB (SMC), SMA, SMB, and more, offering flexibility for different design requirements.