3KP28-B Product Overview

Introduction

The 3KP28-B belongs to the category of high-power transient voltage suppressors (TVS) and is designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides a comprehensive overview of the 3KP28-B, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: High-power transient voltage suppressor
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: High power handling capability, fast response time, low clamping voltage
• Package: Axial leaded package
• Essence: Safeguarding sensitive electronics from voltage transients
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

• Peak Power Dissipation: 3000W
• Breakdown Voltage: 28V
• Operating Temperature Range: -55°C to +175°C
• Storage Temperature Range: -55°C to +175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The 3KP28-B typically features an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive electronics during transient voltage events.
• Fast Response Time: Rapidly responds to transient voltage events, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level, preventing damage to downstream components.

Advantages and Disadvantages

Advantages

• High power handling capability
• Fast response time
• Low clamping voltage
• RoHS compliant

Disadvantages

• Sensitive to reverse polarity connection
• Requires proper heat dissipation measures for prolonged high-power operation

Working Principles

The 3KP28-B operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the device rapidly conducts excess current to the ground, thereby protecting the connected electronics from overvoltage conditions.

Detailed Application Field Plans

The 3KP28-B finds extensive use in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the 3KP28-B include: - 3KP24-B: Similar characteristics with a lower breakdown voltage of 24V - 3KP30-B: Similar characteristics with a higher breakdown voltage of 30V - 5KP28-B: Higher power handling capability with a peak power dissipation of 5000W

In conclusion, the 3KP28-B serves as a crucial component in safeguarding sensitive electronics from transient voltage events, offering high power handling capability, fast response time, and low clamping voltage. Its application spans across diverse industries, and it has several alternative models catering to varying voltage requirements.

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