SA18CA-E3/73 Product Overview

Introduction

The SA18CA-E3/73 is a semiconductor product belonging to the category of transient voltage suppressors (TVS). This device is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The following entry provides a comprehensive overview of the SA18CA-E3/73, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressors (TVS)
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-204AC (DO-15)
• Essence: Silicon TVS diode
• Packaging/Quantity: Tape & Reel (1000 units per reel)

Specifications

• Part Number: SA18CA-E3/73
• Peak Pulse Power: 500 W
• Breakdown Voltage: 18 V
• Clamping Voltage: 29.2 V
• Peak Pulse Current: 19.2 A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SA18CA-E3/73 has a standard DO-15 package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time
• Low clamping voltage
• High surge current capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal damage to protected components
• RoHS compliant, making it environmentally friendly

Disadvantages

• Limited breakdown voltage range compared to some alternative models
• Relatively lower peak pulse power rating compared to higher-end TVS devices

Working Principles

The SA18CA-E3/73 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

The SA18CA-E3/73 is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

For applications requiring different specifications or performance characteristics, the following alternative TVS diodes can be considered: - SA5.0A-E3/54 - SA10A-E3/54 - SA24A-E3/54 - SA36A-E3/54

In summary, the SA18CA-E3/73 transient voltage suppressor offers effective protection against voltage transients, making it an essential component in various electronic systems. 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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