3KP9.0A-B Product Overview

Introduction

The 3KP9.0A-B is a high-power transient voltage suppressor (TVS) diode 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 3KP9.0A-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 3KP9.0A-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 limit transient voltage spikes and divert excessive current away from sensitive components, thereby safeguarding them from damage.

Characteristics

• Voltage Rating: 9.0V
• Power Dissipation: High power handling capability
• Package Type: Axial leaded
• Essence: Protection against transient voltage events
• Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

The 3KP9.0A-B is characterized by the following key specifications: - Peak Pulse Power: 3000W - Breakdown Voltage: 9.0V - Operating Temperature Range: -55°C to +175°C - Reverse Standoff Voltage: 7.78V - Maximum Clamping Voltage: 14.5V - RoHS Compliant: Yes

Detailed Pin Configuration

The 3KP9.0A-B features an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast Response Time: Rapid reaction to transient voltage events
• Low Clamping Voltage: Effectively limits the voltage across protected circuits
• High Surge Current Capability: Able to handle large surge currents without degradation
• Robust Construction: Durable design for reliable performance

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• High power dissipation capability
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Relatively higher clamping voltage compared to some alternative models
• Limited availability in certain packaging options

Working Principles

When a transient voltage event occurs, the 3KP9.0A-B rapidly conducts excess current to ground, limiting the voltage across the protected circuit. This action helps prevent damage to sensitive components by diverting the potentially harmful energy away from them.

Detailed Application Field Plans

The 3KP9.0A-B finds extensive use in various applications, including: - Telecommunication Systems: Protects communication equipment from lightning-induced surges - Industrial Control Systems: Safeguards control circuits from ESD events - Automotive Electronics: Shields automotive electronics from voltage transients - Power Supplies: Ensures surge protection in power supply units

Detailed and Complete Alternative Models

Several alternative TVS diode models can serve as substitutes for the 3KP9.0A-B, including: - 3KP6.8A-B: Lower voltage rating but similar power dissipation capability - 3KP12A-B: Higher voltage rating with comparable surge current handling - 5KP9.0A-B: Higher power dissipation capacity for more demanding applications

In conclusion, the 3KP9.0A-B offers robust transient voltage protection with its high power dissipation capability and fast response time. While it has certain limitations, its effectiveness in diverse applications makes it a valuable component in safeguarding sensitive electronics from transient voltage events.

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