SMC30J48A - Product Encyclopedia Entry

Introduction

The SMC30J48A 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 in-depth overview of the SMC30J48A, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage transients induced by lightning and other transient voltage events
• Characteristics: High performance, low clamping voltage, fast response time
• Package: SMC (Surface Mount Compatible)
• Essence: Transient voltage suppression
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Peak Pulse Power: 3000 W
• Breakdown Voltage: 48 V
• Operating Voltage: 38.9 V
• Clamping Voltage: 77.4 V
• Peak Pulse Current: 49.2 A
• Reverse Standoff Voltage: 48 V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMC30J48A TVS diode has a standard SMC package with two pins for surface mount installation. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to transient voltage events
• Low clamping voltage to protect downstream components
• High peak pulse power handling capability
• RoHS compliant and lead-free

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• High peak pulse power handling capacity
• RoHS compliant and lead-free
• Fast response time

Disadvantages

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

Working Principles

The SMC30J48A operates by diverting excessive transient current away from sensitive electronic circuits when a voltage transient event occurs. It achieves this by rapidly clamping the transient voltage to a safe level, thereby protecting downstream components from damage.

Detailed Application Field Plans

The SMC30J48A is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics - LED lighting systems

Detailed and Complete Alternative Models

• Alternative Model 1: SMC30J48CA - Similar specifications with higher breakdown voltage
• Alternative Model 2: SMC30J48CAH - Higher peak pulse power handling capacity
• Alternative Model 3: SMC30J48AHM - Enhanced ESD (Electrostatic Discharge) protection

In conclusion, the SMC30J48A TVS diode offers reliable protection against voltage transients and finds widespread use in diverse electronic applications.

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