Littelfuse Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
20KPA32-B
詳細を表示 DataSheets

20KPA32-B Product Overview

Introduction

The 20KPA32-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 20KPA32-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 20KPA32-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 divert excessive current away from sensitive components during transient voltage events, thereby safeguarding them from damage.

Characteristics

  • Package: The 20KPA32-B is typically available in a DO-201AD package.
  • Essence: It is designed to provide robust transient voltage suppression capabilities.
  • Packaging/Quantity: The diode is commonly packaged in reels or trays, with specific quantities per package varying based on supplier specifications.

Specifications

  • Peak Pulse Power: 20,000 Watts
  • Standoff Voltage: 32 Volts
  • Breakdown Voltage Range: 35.6 - 39.4 Volts
  • Maximum Clamping Voltage: 52.3 Volts
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 20KPA32-B typically features a standard axial leaded package with two leads. The anode and cathode terminals are clearly marked for easy identification.

Functional Features

  • High peak pulse power capability
  • Low clamping voltage
  • Fast response time
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Superior surge protection
  • Wide operating temperature range
  • RoHS compliance
  • Fast response to transient events

Disadvantages

  • Relatively large physical size compared to some SMD alternatives
  • Higher cost compared to lower power TVS diodes

Working Principles

The 20KPA32-B operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 20KPA32-B is widely used in applications such as: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as substitutes for the 20KPA32-B include: - 5KP Series - P6KE Series - SMBJ Series - P4SMA Series

In summary, the 20KPA32-B is a robust TVS diode offering high surge protection capabilities, making it suitable for a wide range of electronic applications.

[Word Count: 410]

技術ソリューションにおける 20KPA32-B の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 20KPA32-B component used for in technical solutions?

    • The 20KPA32-B is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum clamping voltage of the 20KPA32-B?

    • The maximum clamping voltage of the 20KPA32-B is typically 53.3 volts at 20A.

  3. What is the peak pulse power handling capability of the 20KPA32-B?

    • The 20KPA32-B can handle peak pulse power of up to 20000 watts for a 10/1000μs waveform.

  4. In what applications is the 20KPA32-B commonly used?

    • The 20KPA32-B is commonly used in surge protection for telecommunications equipment, industrial control systems, and power supplies.

  5. What are the key features of the 20KPA32-B that make it suitable for technical solutions?

    • The 20KPA32-B offers low clamping voltage, high surge capability, and fast response time, making it ideal for protecting sensitive electronics.

  6. What is the operating temperature range of the 20KPA32-B?

    • The 20KPA32-B has an operating temperature range of -55°C to +175°C, allowing it to function reliably in various environments.

  7. How does the 20KPA32-B compare to other transient voltage suppressors in terms of performance?

    • The 20KPA32-B offers higher surge capability and lower clamping voltage compared to many other transient voltage suppressors in its class.

  8. Can the 20KPA32-B be used for both AC and DC applications?

    • Yes, the 20KPA32-B is suitable for both AC and DC applications, providing versatile transient voltage protection.

  9. What are the recommended mounting and soldering techniques for the 20KPA32-B?

    • The 20KPA32-B is typically mounted using through-hole technology and should be soldered using industry-standard reflow or wave soldering processes.

  10. Are there any specific reliability tests or certifications associated with the 20KPA32-B?

    • The 20KPA32-B may undergo reliability testing such as thermal cycling, humidity testing, and surge testing, and it may be certified to industry standards such as AEC-Q101 for automotive applications.