SMCJ350C - TVS Diode Encyclopedia Entry

Introduction

The SMCJ350C is a Transient Voltage Suppressor (TVS) diode that belongs to the category of semiconductor devices. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMCJ350C.

Basic Information Overview

• Category: Semiconductor Devices
• Use: The SMCJ350C is used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and transients.
• Characteristics: It has a high surge capability, low clamping voltage, and fast response time.
• Package: SMC (DO-214AB)
• Essence: The essence of the SMCJ350C lies in its ability to divert excessive current away from sensitive components during transient voltage events, thereby protecting them from damage.
• Packaging/Quantity: It is typically available in reels or bulk packaging with varying quantities.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 350V
• Operating Voltage: 302V
• Clamping Voltage: 485V
• Peak Pulse Current: 43.5A
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ350C TVS diode has a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: The SMCJ350C provides effective protection against transient voltage events by diverting excess current away from sensitive components.
• Fast Response Time: It offers a rapid response to transient voltage spikes, minimizing the risk of damage to connected circuits.

Advantages and Disadvantages

Advantages

• High surge capability
• Low clamping voltage
• Fast response time
• Compact SMC package for easy integration

Disadvantages

• Limited to specific voltage and current ratings
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMCJ350C operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts excess current, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ350C is commonly used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ350C include: - SMAJ350A: Similar characteristics but in an SMA package - P6SMB350A: Offers similar protection in a different SMB package - 1.5KE350CA: Provides higher surge capability in a different axial package

In conclusion, the SMCJ350C TVS diode serves as a crucial component in safeguarding electronic circuits from transient voltage events. Its high surge capability, low clamping voltage, and fast response time make it a valuable asset in various applications, despite its limitations in specific voltage and current ratings. Understanding its working principles and exploring alternative models can aid in effectively integrating the SMCJ350C into diverse electronic systems.

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