3KP28A-B Product Overview

Introduction

The 3KP28A-B is a high-power transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the 3KP28A-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 3KP28A-B belongs to the TVS diode category and is primarily used for surge protection in various electronic circuits and systems. Its main purpose is to divert excessive current away from sensitive components during transient voltage events, thereby safeguarding them from damage.

Characteristics

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection
• Package: DO-201AD
• Essence: High-Power TVS Diode
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Power Dissipation: 3000W
• Breakdown Voltage: 28V
• Operating Voltage: 23.1V
• Maximum Clamping Voltage: 45.4V
• Peak Pulse Current: 48.5A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 3KP28A-B TVS diode has a standard DO-201AD package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

• High Power Handling Capability: Capable of dissipating large amounts of transient power.
• Fast Response Time: Rapidly responds to transient voltage events, providing effective protection.
• Low Clamping Voltage: Limits the voltage across the protected circuitry during surge events.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronics.
• High power dissipation capability.
• Fast response time.

Disadvantages

• Higher cost compared to lower power TVS diodes.
• Requires careful consideration of mounting and layout for optimal performance.

Working Principles

During a transient voltage event, the 3KP28A-B TVS diode conducts excess current to ground, limiting the voltage across the protected circuit. This action prevents damage to the sensitive components by diverting the surge energy away from them.

Detailed Application Field Plans

The 3KP28A-B is widely used in applications such as: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

• 3KP6.8A-B: Lower breakdown voltage variant suitable for lower voltage applications.
• 3KP36A-B: Higher breakdown voltage variant for applications requiring higher surge protection levels.
• 5KP28A-B: Higher power dissipation variant for more demanding surge environments.

In conclusion, the 3KP28A-B TVS diode offers robust surge protection capabilities for a wide range of electronic applications, making it an essential component in ensuring the reliability and longevity of sensitive electronic systems.

[Word Count: 489]