20KPA120C-B Product Overview

Introduction

The 20KPA120C-B is a high-performance 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 20KPA120C-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 20KPA120C-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 overvoltage and divert excessive current away from sensitive components, thus safeguarding them from damage.

Characteristics

• Voltage Suppression: The 20KPA120C-B offers robust voltage suppression capabilities, making it suitable for applications requiring reliable protection against transient voltage events.
• Fast Response Time: This TVS diode features a fast response time, ensuring rapid clamping of transient voltages to safe levels.
• High Power Dissipation: With its high power dissipation capability, the 20KPA120C-B can effectively handle large transient currents without degradation.

Package and Quantity

The 20KPA120C-B is typically available in industry-standard packages such as DO-201AD or similar, and is commonly supplied in reels or tubes for ease of handling and integration into manufacturing processes.

Specifications

• Peak Pulse Power: 20,000 Watts
• Standoff Voltage: 120V
• Breakdown Voltage Range: 133V to 147V
• Maximum Clamping Voltage: 193V at 32A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 20KPA120C-B TVS diode features a standard two-pin configuration, with the anode and cathode terminals clearly identified for easy integration into circuit designs.

Functional Features

• Bidirectional Protection: The 20KPA120C-B offers bidirectional transient voltage protection, making it suitable for applications where voltage transients can occur in both directions.
• Low Leakage Current: This TVS diode exhibits low leakage current characteristics, minimizing power consumption during normal operation.

Advantages and Disadvantages

Advantages

• High peak pulse power handling capability
• Fast response time for effective transient voltage clamping
• Bidirectional protection for versatile applications
• Low leakage current for energy-efficient operation

Disadvantages

• Higher cost compared to standard diode-based protection solutions
• Requires careful consideration of layout and placement due to its high power dissipation requirements

Working Principles

The 20KPA120C-B operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This action effectively diverts the transient energy away from the protected circuit, limiting the voltage to a safe level.

Detailed Application Field Plans

The 20KPA120C-B is well-suited for a wide range of applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Automotive electronics - Renewable energy systems

Detailed and Complete Alternative Models

For users seeking alternative TVS diode options, the following models can be considered: - 20KPA Series: Offers a range of standoff voltages and peak pulse power ratings to suit diverse application requirements. - P6KE Series: Provides bidirectional TVS diodes with varying breakdown voltage options for flexible surge protection solutions.

In conclusion, the 20KPA120C-B TVS diode stands as a reliable and high-performance solution for protecting electronic circuits from transient voltage events. Its robust characteristics, fast response time, and bidirectional protection make it a valuable component in various electronic systems, ensuring enhanced reliability and longevity.

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