SMCJ120CA-M3/9AT

Introduction

The SMCJ120CA-M3/9AT is a transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMC (DO-214AB)
• Essence: Provides robust protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMCJ120CA-M3/9AT
• Peak Pulse Power: 1500W
• Breakdown Voltage: 120V
• Operating Voltage: 103V
• Clamping Voltage: 164V
• Peak Pulse Current: 43.5A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ120CA-M3/9AT has a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to clamp transient voltages
• Low clamping voltage to protect downstream components
• High surge current capability for robust transient suppression

Advantages and Disadvantages

Advantages

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

Disadvantages

• Higher cost compared to traditional diodes
• Requires careful consideration of mounting and layout due to transient suppression characteristics

Working Principles

The SMCJ120CA-M3/9AT operates by diverting excessive transient current away from sensitive components when a voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the circuit from damage.

Detailed Application Field Plans

The SMCJ120CA-M3/9AT is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB120CA
  • Breakdown Voltage: 120V
  • Package: DO-214AA
  • Peak Pulse Power: 600W
• Alternative Model 2: 1.5SMC120CA
  • Breakdown Voltage: 120V
  • Package: DO-214AB
  • Peak Pulse Power: 1500W

In conclusion, the SMCJ120CA-M3/9AT transient voltage suppressor diode offers effective protection against voltage spikes and transients in electronic circuits. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of applications.

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