Littelfuse Inc.
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20KPA28-B
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20KPA28-B Product Overview

Introduction

The 20KPA28-B is a specialized electronic component designed for use in various electrical and electronic systems. This entry provides an in-depth overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Axial Lead
  • Essence: Protects electronic circuits from voltage surges
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Model: 20KPA28-B
  • Peak Pulse Power: 20,000 Watts
  • Standoff Voltage: 28 Volts
  • Breakdown Voltage: 31.1 - 34.4 Volts
  • Maximum Clamping Voltage: 45.4 Volts
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 20KPA28-B typically features an axial lead package with two leads. The pin configuration includes: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Provides robust protection against transient voltage surges.
  • Fast Response Time: Rapidly responds to voltage spikes, safeguarding connected circuits.
  • High Surge Capability: Capable of handling high energy surges without degradation.

Advantages and Disadvantages

Advantages

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • Robust protection for electronic circuits

Disadvantages

  • Sensitive to extreme temperatures
  • Requires careful handling during installation

Working Principles

The 20KPA28-B operates based on the principle of avalanche breakdown. When a voltage surge occurs, the component rapidly conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 20KPA28-B is widely used in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 20KPA Series: Includes various models with different standoff voltages and peak pulse powers, catering to diverse application requirements.
  • Other Manufacturers: Similar components are offered by manufacturers such as Littelfuse, Vishay, and Bourns.

In conclusion, the 20KPA28-B serves as a critical component in protecting electronic circuits from voltage surges, offering high surge capability, low clamping voltage, and fast response time. Its application spans across diverse industries, making it an essential element in ensuring the reliability and longevity of electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 20KPA28-B v technických řešeních

Sure, here are 10 common questions and answers related to the application of 20KPA28-B in technical solutions:

  1. Q: What is the maximum peak pulse power of 20KPA28-B? A: The maximum peak pulse power of 20KPA28-B is 20000 watts.

  2. Q: What is the breakdown voltage of 20KPA28-B? A: The breakdown voltage of 20KPA28-B is 31.1V to 34.4V.

  3. Q: What type of diode is 20KPA28-B? A: 20KPA28-B is a unidirectional TVS (transient voltage suppressor) diode.

  4. Q: What applications is 20KPA28-B commonly used for? A: 20KPA28-B is commonly used for surge protection in industrial, automotive, and telecommunications applications.

  5. Q: What is the operating temperature range of 20KPA28-B? A: The operating temperature range of 20KPA28-B is -55°C to +175°C.

  6. Q: What is the reverse stand-off voltage of 20KPA28-B? A: The reverse stand-off voltage of 20KPA28-B is 28V.

  7. Q: Can 20KPA28-B be used for ESD (electrostatic discharge) protection? A: Yes, 20KPA28-B can be used for ESD protection in sensitive electronic circuits.

  8. Q: Is 20KPA28-B RoHS compliant? A: Yes, 20KPA28-B is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. Q: What is the response time of 20KPA28-B? A: The response time of 20KPA28-B is very fast, typically in the nanosecond range.

  10. Q: Can 20KPA28-B be used for overvoltage protection in power supply systems? A: Yes, 20KPA28-B is suitable for providing overvoltage protection in power supply systems, helping to safeguard sensitive components from voltage spikes.

I hope these questions and answers are helpful! Let me know if you need further assistance.