SMCJ18CA/57T - Product Encyclopedia Entry

Introduction

The SMCJ18CA/57T is a specialized electronic component designed for surge protection in various electrical and electronic systems. This entry provides a comprehensive overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Surge Protection
• Characteristics: High surge current capability, low clamping voltage, fast response time
• Package: SMC (DO-214AB), Taping
• Essence: Diode-based surge protection
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMCJ18CA/57T
• Peak Pulse Power: 1500W
• Breakdown Voltage: 18V
• Clamping Voltage: 29.2V
• Operating Temperature Range: -55°C to +150°C
• Compliance: RoHS compliant

Detailed Pin Configuration

The SMCJ18CA/57T follows the standard SMC (DO-214AB) package configuration with two leads for connection.

Functional Features

• Surge Protection: Provides robust protection against transient voltage surges.
• Fast Response Time: Rapidly responds to overvoltage events to safeguard connected circuits.
• Low Clamping Voltage: Limits the voltage across the protected circuit during surge events.

Advantages and Disadvantages

Advantages

• High surge current capability
• Fast response time
• RoHS compliant
• Compact SMC package

Disadvantages

• Limited breakdown voltage range
• Requires proper installation for effective surge protection

Working Principles

The SMCJ18CA/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when subjected to a surge event. This action helps to limit the voltage across the circuit and protect sensitive components.

Detailed Application Field Plans

The SMCJ18CA/57T is widely used in various applications, including: - Telecommunication equipment - Industrial automation systems - Power supply units - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB18CA

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High surge current capability, low clamping voltage
  • Package: SMB (DO-214AA), Taping

• Alternative Model 2: 1.5SMC18CA

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High surge current capability, low clamping voltage
  • Package: SMC (DO-214AB), Taping

This comprehensive entry provides an in-depth understanding of the SMCJ18CA/57T, its specifications, functionality, and application, making it a valuable resource for engineers and professionals in the electronics industry.

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