3KP45A-B Product Overview

Introduction

The 3KP45A-B is a high-power transient voltage suppressor 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 3KP45A-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 3KP45A-B belongs to the category of transient voltage suppressor diodes and is primarily used for surge protection in various electronic circuits and systems. Its main use is to limit transient overvoltage and divert excessive current away from sensitive components, thereby safeguarding them from damage.

Characteristics

• Voltage Suppression: The 3KP45A-B is capable of suppressing high-energy transients.
• Fast Response Time: It offers rapid response to transient voltage events, ensuring minimal impact on the protected circuitry.
• High Power Capability: With its high power dissipation capability, it can handle substantial transient energy.

Package and Quantity

The 3KP45A-B is typically available in a DO-201AD package and is commonly supplied in reels or bulk packaging. The quantity per package varies based on the supplier and customer requirements.

Specifications

• Peak Pulse Power: 3000W
• Breakdown Voltage: 45V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 38.9V
• Maximum Clamping Voltage: 62.2V

Detailed Pin Configuration

The 3KP45A-B features a standard axial leaded package with two leads. The anode and cathode terminals are clearly marked for easy identification and proper installation within the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Low Clamping Voltage: Provides reliable protection without introducing excessive voltage drop.
• Robust Construction: Designed to withstand multiple transient events without degradation.

Advantages and Disadvantages

Advantages

• High power handling capability
• Fast response time
• Robust construction for long-term reliability

Disadvantages

• Higher cost compared to lower power TVS diodes
• Requires careful consideration of mounting and heat dissipation due to high power dissipation capability

Working Principles

When a transient voltage event occurs, the 3KP45A-B rapidly conducts excess current to ground, limiting the voltage across the protected circuit. This action prevents the sensitive components from being exposed to damaging voltage levels.

Detailed Application Field Plans

The 3KP45A-B finds extensive application in various industries, including: - Telecommunications - Automotive electronics - Industrial automation - Power supplies - Consumer electronics

In these fields, it is employed to protect sensitive electronic components from voltage surges and transients, ensuring the reliability and longevity of the associated equipment.

Detailed and Complete Alternative Models

• 3KP6.5A-B: Lower breakdown voltage variant suitable for applications requiring lower clamping voltages.
• 3KP90A-B: Higher breakdown voltage variant for applications demanding higher surge protection levels.
• 5KP45A-B: Higher power dissipation variant for applications with more stringent power handling requirements.

In conclusion, the 3KP45A-B transient voltage suppressor diode offers robust surge protection capabilities, making it an essential component in safeguarding sensitive electronic equipment from transient voltage events.

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