20KPA64C-B Product Overview

Introduction

The 20KPA64C-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 20KPA64C-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 20KPA64C-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 spikes and divert excessive current away from sensitive components, thereby safeguarding them from damage.

Characteristics

• Package: The 20KPA64C-B is available in a compact and robust DO-214AC (SMA) package, ensuring easy integration into circuit designs.
• Essence: It is characterized by its high surge capability, low clamping voltage, and fast response time, making it suitable for applications requiring reliable transient voltage protection.
• Packaging/Quantity: Typically supplied in tape and reel packaging, the quantity per reel varies based on the manufacturer's specifications.

Specifications

• Peak Pulse Power: 20,000 Watts
• Standoff Voltage: 64V
• Breakdown Voltage: 71.2V - 78.8V
• Maximum Clamping Voltage: 103V at 100A
• Operating Temperature Range: -55°C to +175°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 20KPA64C-B TVS diode features a standard SMA package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• High Surge Capability: Capable of handling large transient currents effectively.
• Low Clamping Voltage: Provides efficient protection by limiting the voltage across the protected circuit.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to downstream components.

Advantages and Disadvantages

Advantages

• Superior surge protection capabilities
• Low clamping voltage ensures effective transient voltage suppression
• Fast response time for rapid protection

Disadvantages

• May exhibit some leakage current in normal operating conditions
• Sensitive to reverse bias voltage, requiring careful consideration in circuit design

Working Principles

The 20KPA64C-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 diverts the transient energy away from the protected circuit, thus preventing damage to sensitive components.

Detailed Application Field Plans

The 20KPA64C-B finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Several alternative TVS diode models can be considered as substitutes for the 20KPA64C-B, including: - 20KPA Series: Offering different standoff voltages and peak pulse power ratings - SMAJ Series: Providing similar surge protection in a different package format - P6KE Series: Suitable for lower power applications with comparable surge protection characteristics

In conclusion, the 20KPA64C-B TVS diode stands as a reliable solution for transient voltage protection, offering high surge capability, low clamping voltage, and fast response time. Its versatile nature makes it an ideal choice for safeguarding a wide range of electronic systems and circuits from transient voltage events.

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