Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
5KP78CA-HRA
Zobrazit detail DataSheets

5KP78CA-HRA Product Overview

Introduction

The 5KP78CA-HRA is a high-reliability, transient voltage suppressor 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 5KP78CA-HRA, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The 5KP78CA-HRA belongs to the category of transient voltage suppressor diodes, specifically designed for high-reliability applications where protection against transient voltage events is critical.

Basic Information Overview

  • Use: The 5KP78CA-HRA is used to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
  • Characteristics: It offers high reliability, low leakage current, and fast response time to transient voltage events.
  • Package: The diode is available in a rugged, hermetically sealed package for enhanced durability and performance in harsh environments.
  • Essence: Its essence lies in providing robust transient voltage protection for sensitive electronic circuits.
  • Packaging/Quantity: The 5KP78CA-HRA is typically available in tape and reel packaging with varying quantities to suit different production needs.

Specifications

  • Voltage Rating: 78V
  • Peak Pulse Power: 5000W
  • Operating Temperature Range: -55°C to +175°C
  • Breakdown Voltage: 86.7V to 95.3V
  • Reverse Standoff Voltage: 78V
  • Leakage Current: <1µA at 78V
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 5KP78CA-HRA features a standard axial leaded package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream circuitry.
  • Fast Response Time: Rapidly responds to transient voltage events, minimizing the risk of damage to sensitive electronics.
  • High Reliability: Designed for use in high-reliability applications where consistent performance is essential.

Advantages and Disadvantages

Advantages

  • High reliability
  • Fast response time
  • Low leakage current
  • Rugged hermetic packaging for durability

Disadvantages

  • Higher cost compared to standard diodes
  • Limited availability in certain markets

Working Principles

The 5KP78CA-HRA operates based on the principle of avalanche breakdown, where it rapidly conducts excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 5KP78CA-HRA is widely used in various applications, including: - Telecommunications equipment - Industrial control systems - Power supplies - Automotive electronics - Aerospace and defense systems

Detailed and Complete Alternative Models

  • 5KP6.8A-HRA
  • 5KP10A-HRA
  • 5KP15A-HRA
  • 5KP20A-HRA
  • 5KP30A-HRA

In conclusion, the 5KP78CA-HRA transient voltage suppressor diode offers high reliability and robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic equipment across diverse industries.

[Word count: 546]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 5KP78CA-HRA v technických řešeních

  1. What is 5KP78CA-HRA?

    • 5KP78CA-HRA is a high-reliability, high-power transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of 5KP78CA-HRA?

    • The key features of 5KP78CA-HRA include a peak power dissipation of 5000W, low clamping voltage, fast response time, and high surge capability.

  3. How does 5KP78CA-HRA protect electronic equipment?

    • 5KP78CA-HRA protects electronic equipment by diverting excessive current away from sensitive components when voltage transients occur, thus preventing damage to the equipment.

  4. In what applications can 5KP78CA-HRA be used?

    • 5KP78CA-HRA can be used in a wide range of applications including power supplies, industrial equipment, automotive electronics, telecommunications equipment, and more.

  5. What is the operating temperature range of 5KP78CA-HRA?

    • The operating temperature range of 5KP78CA-HRA is typically from -55°C to +175°C, making it suitable for use in various environmental conditions.

  6. Does 5KP78CA-HRA meet any industry standards?

    • Yes, 5KP78CA-HRA complies with industry standards such as AEC-Q101 for automotive applications and is also RoHS compliant.

  7. Can 5KP78CA-HRA be used for surge protection in outdoor installations?

    • Yes, 5KP78CA-HRA is suitable for surge protection in outdoor installations due to its high surge capability and robust construction.

  8. What is the typical response time of 5KP78CA-HRA?

    • The typical response time of 5KP78CA-HRA is very fast, typically in the nanosecond range, providing quick protection against voltage transients.

  9. Are there any recommended mounting or handling precautions for 5KP78CA-HRA?

    • It is recommended to follow proper ESD (electrostatic discharge) precautions during handling and to ensure secure mounting to minimize lead stress and maximize thermal performance.

  10. Where can I find detailed specifications and application notes for 5KP78CA-HRA?

    • Detailed specifications and application notes for 5KP78CA-HRA can be found in the product datasheet provided by the manufacturer or on their official website.