3KP28CA-B Product Overview

Introduction

The 3KP28CA-B is a high-power transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage transients and spikes. This entry provides a comprehensive overview of the 3KP28CA-B, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The 3KP28CA-B belongs to the TVS diode category and is commonly used for surge protection in various electronic circuits. Its primary function is to divert excessive current away from sensitive components during transient voltage events, thereby safeguarding them from damage.

Characteristics

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

Package and Quantity

The 3KP28CA-B is typically available in a DO-201AD package and is supplied in reels or bulk packaging, with quantities varying based on supplier specifications.

Specifications

• Peak Power Dissipation: 3000W
• Breakdown Voltage: 31.1V to 34.4V
• Maximum Clamping Voltage: 50.5V at 77.8A
• Operating Temperature Range: -55°C to +175°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 3KP28CA-B features a standard axial leaded package with two leads. The anode and cathode terminals are clearly marked for easy identification and proper installation.

Functional Features

• Excellent surge absorption capability
• Low leakage current
• Robust construction for reliable performance
• Suitable for high-power applications

Advantages and Disadvantages

Advantages

• High power dissipation
• Fast response to transient events
• Wide operating temperature range
• RoHS compliance

Disadvantages

• Relatively large physical size compared to lower power TVS diodes
• Higher cost compared to lower power alternatives

Working Principles

During a transient voltage event, the 3KP28CA-B rapidly conducts excess current to ground, limiting the voltage across the protected circuit. This action prevents damage to sensitive components by effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The 3KP28CA-B is widely used in various applications, including: - Power supplies - Industrial equipment - Automotive electronics - Telecommunications systems - Consumer electronics

Detailed and Complete Alternative Models

• 3KP Series: Includes various breakdown voltage options within the same power dissipation range
• SMAJ Series: Lower power TVS diodes suitable for less demanding applications
• P6KE Series: Similar power dissipation but with different package options

In conclusion, the 3KP28CA-B is a robust and reliable TVS diode offering high power dissipation and fast response to transient voltage events. Its wide range of applications and availability of alternative models make it a versatile choice for surge protection in electronic circuits.

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