SMCJ17AHE3/9AT - Product Overview and Analysis

Introduction

The SMCJ17AHE3/9AT 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 a comprehensive overview of the SMCJ17AHE3/9AT, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AB (SMC)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Standoff Voltage: 15.3V
• Breakdown Voltage: 17V
• Peak Pulse Power: 1500W
• Clamping Voltage: 27.4V
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ17AHE3/9AT TVS diode has a standard DO-214AB (SMC) package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients and surges.
• Fast Response Time: Reacts quickly to transient events, safeguarding downstream components.
• High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• RoHS compliant

Disadvantages

• Relatively high clamping voltage compared to some alternatives
• Limited to a specific voltage range

Working Principles

The SMCJ17AHE3/9AT operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting excess current away from the protected circuitry and limiting the voltage across it.

Detailed Application Field Plans

The SMCJ17AHE3/9AT is suitable for a wide range of applications, including: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative TVS diodes to consider include: - SMCJ5.0A - SMCJ10A - SMCJ24A - SMAJ17A - SMBJ17A

In conclusion, the SMCJ17AHE3/9AT TVS diode offers robust transient voltage suppression capabilities, making it an essential component in protecting sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

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