Vishay Semiconductor Diodes Division
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5KP78AHE3/54
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5KP78AHE3/54 Product Overview

Introduction

The 5KP78AHE3/54 is a high-performance 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 5KP78AHE3/54, including its 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 performance, fast response time, low clamping voltage
  • Package: DO-201AD (SMA), SMB
  • Essence: Provides robust protection for sensitive electronic equipment
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Voltage - Reverse Standoff (Typ): 78V
  • Voltage - Breakdown (Min): 86.7V
  • Voltage - Clamping (Max) @ Ipp: 126V
  • Current - Peak Pulse (10/1000µs): 5.8A
  • Power - Peak Pulse: 5000W
  • Type: Zener

Detailed Pin Configuration

The 5KP78AHE3/54 typically comes in a DO-201AD (SMA) or SMB package, featuring two leads for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Robust protection against transient voltage events
  • Fast response time ensures minimal damage to protected equipment
  • High surge capability for reliable performance

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Higher cost compared to standard diodes

Working Principles

The 5KP78AHE3/54 operates by diverting excessive current away from sensitive electronic components when a transient voltage event occurs. It achieves this by rapidly clamping the voltage to a safe level, thereby protecting downstream circuitry from damage.

Detailed Application Field Plans

The 5KP78AHE3/54 is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 5KP Series: 5KP6.8A-E3/54, 5KP7.5A-E3/54, 5KP8.5A-E3/54
  • P6KE Series: P6KE6.8A, P6KE7.5A, P6KE8.5A
  • SMAJ Series: SMAJ6.8A, SMAJ7.5A, SMAJ8.5A

In conclusion, the 5KP78AHE3/54 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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기술 솔루션에 5KP78AHE3/54 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of 5KP78AHE3/54 in technical solutions:

  1. What is the maximum reverse stand-off voltage of 5KP78AHE3/54?

    • The maximum reverse stand-off voltage of 5KP78AHE3/54 is 78V.

  2. What is the peak pulse power dissipation of 5KP78AHE3/54?

    • The peak pulse power dissipation of 5KP78AHE3/54 is 5000W.

  3. What is the typical breakdown voltage of 5KP78AHE3/54?

    • The typical breakdown voltage of 5KP78AHE3/54 is 86.7V.

  4. What are the typical applications of 5KP78AHE3/54?

    • 5KP78AHE3/54 is commonly used for surge protection in various electronic equipment such as power supplies, industrial controls, and telecommunications equipment.

  5. What is the response time of 5KP78AHE3/54?

    • The response time of 5KP78AHE3/54 is very fast, typically in the nanosecond range.

  6. Is 5KP78AHE3/54 suitable for high-speed data lines?

    • Yes, 5KP78AHE3/54 is suitable for protecting high-speed data lines from transient overvoltage events.

  7. Can 5KP78AHE3/54 be used in automotive electronics?

    • Yes, 5KP78AHE3/54 can be used in automotive electronics for surge protection in various circuits.

  8. What is the operating temperature range of 5KP78AHE3/54?

    • The operating temperature range of 5KP78AHE3/54 is typically -55°C to +175°C.

  9. Does 5KP78AHE3/54 meet any specific industry standards?

    • Yes, 5KP78AHE3/54 meets the requirements of various industry standards such as AEC-Q101 for automotive applications.

  10. Are there any recommended layout considerations when using 5KP78AHE3/54?

    • Yes, it is recommended to minimize the length and area of the connections to 5KP78AHE3/54 and to provide a low-inductance path to the device for optimal performance.

I hope these questions and answers are helpful for your technical solutions involving 5KP78AHE3/54! If you have any more specific questions, feel free to ask.