3KP12-B Product Overview

Introduction

The 3KP12-B is a high-power, fast-recovery rectifier diode designed for various electronic applications. This entry provides an in-depth overview of the 3KP12-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

The 3KP12-B belongs to the category of high-power, fast-recovery rectifier diodes.

Basic Information Overview

• Use: The 3KP12-B is used as a rectifier in power supply circuits, inverters, and other electronic systems requiring high-power rectification.
• Characteristics: It exhibits fast recovery times, high surge capability, and low forward voltage drop.
• Package: The diode is typically housed in a rugged, hermetically sealed package for enhanced durability and performance.
• Essence: Its essence lies in providing efficient rectification of high-power electrical signals.
• Packaging/Quantity: The 3KP12-B is commonly available in bulk packaging with varying quantities to suit different production needs.

Specifications

• Voltage Rating: 1200V
• Average Forward Current: 3A
• Peak Pulse Current: 100A
• Reverse Recovery Time: 35ns
• Operating Temperature Range: -65°C to +175°C
• Package Type: DO-201AD (R-6)

Detailed Pin Configuration

The 3KP12-B follows a standard DO-201AD (R-6) package configuration with two leads for connection.

Functional Features

• Fast Recovery: The diode offers rapid reverse recovery times, making it suitable for high-frequency applications.
• High Surge Capability: It can withstand high surge currents, ensuring reliable operation in demanding conditions.
• Low Forward Voltage Drop: The low forward voltage drop minimizes power dissipation and enhances energy efficiency.

Advantages and Disadvantages

Advantages

• High-speed switching capability
• Robust surge handling capacity
• Low power loss
• Wide operating temperature range

Disadvantages

• Relatively larger package size compared to lower power diodes
• Higher cost compared to standard rectifier diodes

Working Principles

The 3KP12-B operates based on the principle of rectification, where it allows current flow in one direction while blocking it in the opposite direction. Its fast recovery time ensures minimal reverse recovery losses, making it suitable for high-efficiency power conversion applications.

Detailed Application Field Plans

The 3KP12-B finds extensive use in the following application fields: 1. Power Supplies: Used in high-power AC/DC converters and SMPS (Switched Mode Power Supplies). 2. Inverters: Employed in motor drives, UPS (Uninterruptible Power Supplies), and renewable energy systems. 3. Industrial Equipment: Integrated into welding machines, induction heating systems, and high-power lighting fixtures.

Detailed and Complete Alternative Models

• 3KP10-B: Lower voltage rating with similar characteristics
• 3KP15-B: Higher voltage rating with comparable performance
• 3KP12A-B: Enhanced surge capability variant

In conclusion, the 3KP12-B rectifier diode offers high-power rectification with fast recovery times, making it a versatile component for various electronic applications.

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