SMCJ20A-M3/9AT

Introduction

The SMCJ20A-M3/9AT is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protecting sensitive electronic devices from voltage transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AB (SMC), Tape & Reel
• Essence: Provides protection against voltage spikes and surges
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Part Number: SMCJ20A-M3/9AT
• Peak Pulse Power: 1500W
• Breakdown Voltage: 20V
• Operating Voltage: 17.1V
• Clamping Voltage: 29.2V
• Peak Pulse Current: 43.5A
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ20A-M3/9AT diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Rapid response to transient over-voltage conditions
• Low clamping voltage to protect downstream components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage

Disadvantages

• Requires careful consideration of placement and routing for optimal performance
• Unidirectional protection only

Working Principles

When a voltage transient occurs, the SMCJ20A-M3/9AT diode conducts and clamps the transient voltage to a safe level, protecting the connected circuitry. It operates by diverting excess current away from sensitive components.

Detailed Application Field Plans

The SMCJ20A-M3/9AT is commonly used in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ20A-M3/9AT include: - P6KE20A - 1.5SMC20A - SMBJ20A

In conclusion, the SMCJ20A-M3/9AT diode is a crucial component in protecting electronic devices from voltage transients, offering fast response, low clamping voltage, and high surge current capability. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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