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3KP78CA-B
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3KP78CA-B Product Overview

Introduction

The 3KP78CA-B is a high-power transient voltage suppressor 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 3KP78CA-B, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning and other transient voltage events
  • Characteristics: High power handling capability, fast response time, low clamping voltage
  • Package: DO-201AD (SMA), SMB, SMC, or other compatible packages
  • Essence: Safeguarding sensitive electronic equipment from voltage transients
  • Packaging/Quantity: Available in reels, tubes, or bulk packaging with varying quantities

Specifications

  • Peak Power Dissipation: 3000W
  • Breakdown Voltage Range: 64.1V to 70.9V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 3KP78CA-B typically features a standard diode package with two leads for connection. The pin configuration includes the anode and cathode terminals, which are essential for proper installation and functionality.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to safe levels
  • Fast Response Time: Rapid reaction to transient events for enhanced protection
  • High Power Handling Capability: Suitable for applications requiring robust transient voltage protection

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • Low clamping voltage
  • RoHS compliant
  • Wide operating temperature range

Disadvantages

  • Relatively large package size compared to lower power diodes
  • Higher cost compared to lower power diodes

Working Principles

The 3KP78CA-B operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a transient voltage event, thereby diverting the excessive energy away from the protected circuitry.

Detailed Application Field Plans

The 3KP78CA-B finds extensive use in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 3KP Series: 3KP5.0A-B, 3KP6.8A-B, 3KP10A-B
  • 5KP Series: 5KP6.8A-B, 5KP10A-B, 5KP15A-B
  • P6KE Series: P6KE6.8A-B, P6KE10A-B, P6KE15A-B

In conclusion, the 3KP78CA-B transient voltage suppressor diode offers robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic equipment across various industries.

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技術ソリューションにおける 3KP78CA-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 3KP78CA-B?

    • 3KP78CA-B is a high-power, fast-recovery rectifier diode commonly used in power supply and rectification applications.

  2. What are the key specifications of 3KP78CA-B?

    • The key specifications include a maximum repetitive peak reverse voltage of 800V, average forward current of 3A, and a fast recovery time.

  3. How is 3KP78CA-B typically used in technical solutions?

    • It is often used in power supply circuits, inverters, and other applications where fast and efficient rectification of high-power signals is required.

  4. What are the advantages of using 3KP78CA-B in technical solutions?

    • Its fast recovery time and high-power handling capabilities make it suitable for high-frequency and high-power applications, while its compact size allows for space-efficient designs.

  5. Are there any specific considerations when designing with 3KP78CA-B?

    • Designers should consider heat dissipation, voltage and current ratings, and proper circuit layout to ensure optimal performance and reliability.

  6. Can 3KP78CA-B be used in automotive or industrial applications?

    • Yes, it is suitable for use in automotive and industrial systems due to its high-power handling and rugged construction.

  7. What are the typical operating temperatures for 3KP78CA-B?

    • It can operate within a temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  8. Does 3KP78CA-B require any special mounting or handling considerations?

    • It is recommended to use appropriate heatsinking and follow standard ESD precautions during handling and assembly.

  9. Can 3KP78CA-B be used in parallel or series configurations?

    • Yes, it can be used in parallel or series configurations to achieve higher current or voltage handling capabilities, respectively.

  10. Where can I find detailed application notes and reference designs for 3KP78CA-B?

    • Detailed application notes and reference designs can be found in the product datasheet provided by the manufacturer, as well as in technical literature related to power electronics and rectifier diode applications.