SM15T15AY - Product Overview

Introduction

The SM15T15AY is a transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the SM15T15AY, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SM15T15AY belongs to the category of transient voltage suppressor diodes, which are commonly used in electronic circuits to protect sensitive components from voltage spikes and transients.

Basic Information Overview

• Use: The SM15T15AY is used to protect electronic circuits from transient voltage events, such as lightning strikes and electrostatic discharge.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The diode is typically available in a surface-mount package.
• Essence: Its essence lies in providing robust protection against transient voltage events.
• Packaging/Quantity: The diode is usually packaged in reels or tubes, with varying quantities based on manufacturer specifications.

Specifications

• Voltage Rating: 15V
• Peak Pulse Power: 1500W
• Operating Temperature Range: -55°C to +175°C
• Breakdown Voltage: 16.7V
• Reverse Standoff Voltage: 12.8V
• Maximum Clamping Voltage: 21.2V
• Peak Pulse Current: 43.5A

Detailed Pin Configuration

The SM15T15AY typically features a standard SMC (DO-214AB) package with two pins for surface-mount installation. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapidly responds to transient events to minimize potential damage.
• Low Clamping Voltage: Provides efficient protection without imposing excessive voltage drop.

Advantages and Disadvantages

Advantages

• Robust transient voltage protection
• Fast response time
• Low clamping voltage
• High surge current capability

Disadvantages

• Limited to specific voltage ratings
• Requires proper circuit design for optimal performance

Working Principles

The SM15T15AY operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient event occurs, the diode rapidly conducts, effectively suppressing the transient voltage and safeguarding the connected electronics.

Detailed Application Field Plans

The SM15T15AY finds extensive use in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies - LED lighting systems

Detailed and Complete Alternative Models

• SM6T Series: Offers a range of voltage options with similar transient voltage suppression capabilities.
• P6SMB Series: Provides alternative package options with comparable transient voltage protection characteristics.
• 1.5KE Series: Suitable for higher power transient voltage suppression requirements.

In conclusion, the SM15T15AY transient voltage suppressor diode serves as a critical component in protecting electronic circuits from transient voltage events. Its robust characteristics, functional features, and diverse application field plans make it an essential choice for ensuring the reliability and longevity of electronic systems.

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