STMicroelectronics
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SM2T27A
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SM2T27A Product Overview

Introduction

The SM2T27A is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Information Overview

Category

The SM2T27A belongs to the category of semiconductor devices, specifically transient voltage suppressors (TVS).

Use

It is used to protect sensitive electronics 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 SM2T27A is typically available in a surface-mount package.

Essence

The essence of the SM2T27A lies in its ability to efficiently divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The SM2T27A is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 2000W
  • Standoff Voltage: 27V
  • Breakdown Voltage: 30V
  • Maximum Clamping Voltage: 45V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SM2T27A typically features a standard SMC (DO-214AB) package with two pins for surface mounting onto printed circuit boards.

Functional Features

  • Bi-directional TVS diode
  • Low leakage current
  • High reliability
  • ESD protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited maximum clamping voltage
  • Requires careful consideration of layout and placement for optimal performance

Working Principles

When a transient voltage event occurs, the SM2T27A rapidly conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SM2T27A finds extensive use in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SM2T24A: Standoff Voltage 24V
  • SM2T30A: Standoff Voltage 30V
  • SM2T33A: Standoff Voltage 33V
  • SM2T36A: Standoff Voltage 36V

In conclusion, the SM2T27A offers reliable transient voltage suppression capabilities, making it an essential component in safeguarding sensitive electronics from voltage transients. Its wide range of applications and availability of alternative models further enhance its utility in diverse electronic systems.

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تکنیکی حل میں SM2T27A کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is SM2T27A?

    • SM2T27A is a type of transient voltage suppressor diode used for protecting sensitive electronics from voltage spikes and transients.

  2. How does SM2T27A work?

    • SM2T27A works by diverting excessive voltage away from sensitive components, preventing damage to the circuitry.

  3. What are the typical applications of SM2T27A?

    • SM2T27A is commonly used in power supplies, automotive electronics, industrial equipment, and telecommunications systems to protect against voltage surges.

  4. What is the maximum voltage rating of SM2T27A?

    • The maximum voltage rating of SM2T27A is 27V, making it suitable for low-voltage applications.

  5. What is the peak pulse current handling capability of SM2T27A?

    • SM2T27A can handle peak pulse currents up to a specified level, typically around 2A.

  6. Is SM2T27A suitable for high-speed data lines?

    • Yes, SM2T27A is suitable for protecting high-speed data lines such as USB, HDMI, and Ethernet connections.

  7. Does SM2T27A have reverse polarity protection?

    • No, SM2T27A is not designed for reverse polarity protection. It is specifically for transient voltage suppression.

  8. Can SM2T27A be used in outdoor applications?

    • Yes, SM2T27A is often used in outdoor applications where protection against lightning-induced surges is required.

  9. What is the temperature range for SM2T27A?

    • SM2T27A typically has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Are there any alternatives to SM2T27A for transient voltage suppression?

    • Yes, there are other transient voltage suppressor diodes with similar characteristics, such as SMAJxxA or SMBJxxA series, which may be suitable depending on specific application requirements.