1.5SMC170AHE3/9AT - Product Encyclopedia Entry

Introduction

The 1.5SMC170AHE3/9AT is a high-performance TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Protection against voltage transients in electronic circuits
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AB (SMC), Tape & Reel
• Essence: Transient voltage suppression for electronic equipment protection
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 144V
• Breakdown Voltage: 160V
• Clamping Voltage: 231V at 10A
• Operating Temperature: -55°C to +150°C
• Mounting Type: Surface Mount
• Polarity: Unidirectional

Detailed Pin Configuration

The 1.5SMC170AHE3/9AT is a surface mount device with two terminals. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected equipment.
• High Surge Capability: Can withstand high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Unidirectional protection only
• Requires proper installation and circuit design for optimal performance

Working Principles

The 1.5SMC170AHE3/9AT operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode conducts and diverts the excess current away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The 1.5SMC170AHE3/9AT is commonly used in various electronic systems and equipment requiring protection against voltage transients, including: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

• 1.5SMC Series: Various standoff voltages and power ratings within the same package type
• P6SMB170A: Similar specifications in a different package (DO-214AA)

In conclusion, the 1.5SMC170AHE3/9AT is a reliable TVS diode offering effective protection against voltage transients in a wide range of electronic applications. Its high surge capability, fast response time, and compact SMC package make it a popular choice for engineers seeking robust transient voltage suppression solutions.

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