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20KPA256A-B
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20KPA256A-B Product Overview

Introduction

The 20KPA256A-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 an in-depth overview of the 20KPA256A-B, including its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: TVS Diode
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage
  • Package: DO-201AD (DO-27)
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 20,000 W
  • Standoff Voltage: 256 V
  • Breakdown Voltage Range: 284 V - 314 V
  • Maximum Clamping Voltage: 412 V at 100 A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 20KPA256A-B follows the standard pin configuration for DO-201AD packages, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • High Surge Capability: Capable of handling large surge currents without degradation.
  • Low Clamping Voltage: Provides effective protection by limiting the voltage across the protected circuit.

Advantages and Disadvantages

Advantages

  • High surge capability ensures robust protection.
  • Low clamping voltage minimizes stress on the protected circuit.
  • Wide operating temperature range allows for versatile applications.

Disadvantages

  • Relatively larger package size compared to some other TVS diodes.
  • Higher cost compared to standard diodes due to specialized transient voltage suppression capabilities.

Working Principles

The 20KPA256A-B operates by diverting excessive transient current away from the protected circuit, thereby limiting the voltage across it. When a transient voltage event occurs, the diode rapidly switches into its low-impedance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The 20KPA256A-B is commonly used in various applications, including: - Power supply units - Communication 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.
  • P6KE Series: Offers similar transient voltage suppression capabilities in a different package format, suitable for space-constrained applications.

In conclusion, the 20KPA256A-B TVS diode offers robust transient voltage protection with high surge capability and low clamping voltage, making it suitable for a wide range of applications across different industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 20KPA256A-B v technických řešeních

  1. What is the 20KPA256A-B?

    • The 20KPA256A-B is a high-power transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What are the key features of the 20KPA256A-B?

    • The 20KPA256A-B features a peak pulse power of 20000W, low clamping voltage, and fast response time, making it ideal for surge protection in various applications.

  3. In what applications can the 20KPA256A-B be used?

    • The 20KPA256A-B is commonly used in industrial equipment, automotive electronics, telecommunications systems, and power supplies to protect against transient overvoltage events.

  4. How does the 20KPA256A-B provide surge protection?

    • The 20KPA256A-B diverts excess current away from sensitive components by clamping the voltage during transient events, thereby safeguarding the connected circuitry.

  5. What is the maximum operating temperature of the 20KPA256A-B?

    • The 20KPA256A-B has a maximum operating temperature of 175°C, ensuring reliable performance even in demanding environments.

  6. Does the 20KPA256A-B require any external components for proper operation?

    • No, the 20KPA256A-B is a standalone device and does not require additional external components for its surge protection function.

  7. Can the 20KPA256A-B be used for both AC and DC applications?

    • Yes, the 20KPA256A-B is suitable for both AC and DC applications, providing versatile transient voltage suppression across different power systems.

  8. What are the mounting options for the 20KPA256A-B?

    • The 20KPA256A-B is available in various package options, including surface mount and through-hole configurations, offering flexibility for different installation requirements.

  9. Is the 20KPA256A-B compliant with industry standards for surge protection devices?

    • Yes, the 20KPA256A-B complies with relevant industry standards and specifications for surge protection, ensuring its reliability and performance in technical solutions.

  10. Are there any recommended application notes or guidelines for using the 20KPA256A-B in specific designs?

    • Yes, detailed application notes and guidelines are available from the manufacturer to assist engineers in integrating the 20KPA256A-B effectively into their technical solutions.