1.5KE440CA - Product Overview and Specifications

Introduction

The 1.5KE440CA is a transient voltage suppressor (TVS) diode belonging to the category of electronic components used for surge protection in various electrical circuits. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Surge protection in electrical circuits
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: Axial leaded, DO-201 package type
• Essence: Protects sensitive electronic components from voltage transients
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Part Number: 1.5KE440CA
• Peak Pulse Power: 1500W
• Standoff Voltage: 376V
• Breakdown Voltage: 418V
• Maximum Clamping Voltage: 605V
• Operating Temperature Range: -55°C to +175°C
• Polarity: Unidirectional

Detailed Pin Configuration

The 1.5KE440CA TVS diode has an axial leaded package with two leads. The cathode is typically marked with a band on the body of the diode, while the anode lead is unmarked.

Functional Features

• Transient Suppression: Rapidly responds to overvoltage transients, diverting excess current away from sensitive components.
• Low Clamping Voltage: Provides effective protection by limiting the voltage across the circuit during transient events.
• High Surge Capability: Capable of withstanding large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Unidirectional protection only
• Requires proper installation and orientation

Working Principles

When an overvoltage transient occurs, the 1.5KE440CA TVS diode conducts current to divert the excess energy away from the protected circuit. By clamping the voltage at a safe level, it safeguards the connected components from potential damage.

Detailed Application Field Plans

The 1.5KE440CA is commonly used in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE400CA: Lower standoff voltage variant
• 1.5KE440A: Higher standoff voltage variant
• 1.5KE480CA: Higher breakdown voltage variant

In conclusion, the 1.5KE440CA TVS diode offers robust surge protection capabilities for a wide range of electronic applications, making it a crucial component in ensuring the reliability and longevity of sensitive circuits.

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