1.5SMC20C - Product Overview and Analysis

Introduction

The 1.5SMC20C is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS)
• Use: The 1.5SMC20C is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
• Characteristics: It offers low clamping voltage under surge current loading, fast response time, and high surge capability.
• Package: SMC (DO-214AB)
• Essence: The essence of the 1.5SMC20C lies in its ability to provide robust overvoltage protection for various electronic systems.
• Packaging/Quantity: Typically available in tape and reel packaging with varying quantities.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 17.1V to 18.9V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 15V
• Maximum Clamping Voltage: 25.2V at 38.9A
• RoHS Compliant: Yes

Detailed Pin Configuration

The 1.5SMC20C typically follows the standard pin configuration for SMC packages, with two leads for connection.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level, protecting downstream components.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Robust overvoltage protection
• Fast response time
• High surge capability

Disadvantages

• Higher cost compared to traditional diodes
• Requires careful consideration of mounting and layout for optimal performance

Working Principles

The 1.5SMC20C operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when subjected to a transient voltage event.

Detailed Application Field Plans

The 1.5SMC20C finds extensive use in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• 1.5SMC6.8C: Lower breakdown voltage variant
• 1.5SMC33C: Higher breakdown voltage variant
• P6KE15CA: Axial lead TVS diode alternative

In conclusion, the 1.5SMC20C serves as a critical component in safeguarding electronic systems against transient voltage events, offering robust protection, fast response, and high surge capability.

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