SA18CAHE3/73 Product Overview

Introduction

The SA18CAHE3/73 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 SA18CAHE3/73, 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: High surge capability, low clamping voltage, fast response time
• Package: DO-204AC (DO-15)
• Essence: Silicon TVS diode
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 18 V
• Clamping Voltage: 29.2 V
• Operating Temperature Range: -55°C to +175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SA18CAHE3/73 is a two-terminal device with anode and cathode connections. The pin configuration is as follows: - Anode (A) - Terminal 1 - Cathode (K) - Terminal 2

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to connected circuits.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time
• RoHS compliant

Disadvantages

• Clamping voltage may be relatively high for some applications
• Limited breakdown voltage range

Working Principles

The SA18CAHE3/73 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the device rapidly switches into a low impedance state, diverting excess current away from the protected circuitry. This action effectively limits the voltage across the protected components, safeguarding them from damage.

Detailed Application Field Plans

The SA18CAHE3/73 is widely used in various applications requiring protection against transient voltage events, including: - Consumer electronics - Telecommunications equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or package types, alternative models to consider include: - SA5.0CAHE3/73 (5 V breakdown voltage) - SA24CAHE3/73 (24 V breakdown voltage) - SMAJ18CAHE3/73 (Surface Mount Package)

In summary, the SA18CAHE3/73 transient voltage suppressor offers effective protection against transient voltage events, with fast response times and high surge capability. While it has certain limitations, its wide application field and availability of alternative models make it a versatile choice for various electronic systems.

Word Count: 498