Littelfuse Inc.
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
1.5KE91
자세히보기 데이터시트

1.5KE91 - Product Overview and Specifications

Introduction

The 1.5KE91 is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides an overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against overvoltage transients in electronic circuits
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: Axial leaded, DO-201 package
  • Essence: Provides robust protection for sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 77.4V
  • Voltage - Breakdown (Min): 86.7V
  • Voltage - Clamping (Max) @ Ipp: 139V
  • Current - Peak Pulse (10/1000µs): 19.2A
  • Power - Peak Pulse: 1500W
  • Operating Temperature: -55°C to 175°C

Detailed Pin Configuration

The 1.5KE91 has 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

  • Rapid response to transient overvoltage events
  • High surge capability for reliable protection
  • Low clamping voltage to minimize stress on protected circuits

Advantages and Disadvantages

Advantages

  • Effective protection against overvoltage transients
  • Fast response time
  • High surge capability

Disadvantages

  • Sensitive to reverse voltage polarity
  • Limited power dissipation capability

Working Principles

When the voltage across the diode exceeds the breakdown voltage, the diode conducts, diverting excess current away from the protected circuit. Once the transient event subsides, the diode returns to its high-resistance state.

Detailed Application Field Plans

The 1.5KE91 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1.5KE100A
  • 1.5KE120CA
  • 1.5KE15A
  • 1.5KE200A
  • 1.5KE6.8A

In summary, the 1.5KE91 transient voltage suppressor diode offers robust protection against overvoltage transients in electronic circuits, making it a crucial component in various applications.

Word Count: 398

기술 솔루션에 1.5KE91 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of 1.5KE91 in technical solutions:

  1. What is 1.5KE91?

    • 1.5KE91 is a type of transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power dissipation of 1.5KE91?

    • The maximum peak pulse power dissipation of 1.5KE91 is 1500 watts.

  3. What is the breakdown voltage of 1.5KE91?

    • The breakdown voltage of 1.5KE91 is 82.4 volts.

  4. How does 1.5KE91 protect electronic circuits?

    • 1.5KE91 clamps the voltage across the circuit it is protecting by diverting excess current away from the circuit when a transient event occurs.

  5. What are the typical applications of 1.5KE91?

    • 1.5KE91 is commonly used in power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect against voltage surges.

  6. What is the response time of 1.5KE91?

    • The response time of 1.5KE91 is very fast, typically in the nanosecond range, providing quick protection against voltage transients.

  7. Can 1.5KE91 be used for overvoltage protection in solar panel systems?

    • Yes, 1.5KE91 can be used to protect solar panel systems from overvoltage events caused by lightning strikes or other electrical disturbances.

  8. What is the operating temperature range of 1.5KE91?

    • The operating temperature range of 1.5KE91 is typically -55°C to +175°C, making it suitable for a wide range of environments.

  9. Is 1.5KE91 RoHS compliant?

    • Yes, 1.5KE91 is RoHS compliant, meaning it meets the requirements of the Restriction of Hazardous Substances directive.

  10. Can 1.5KE91 be used for surge protection in Ethernet and communication ports?

    • Yes, 1.5KE91 is suitable for surge protection in Ethernet and communication ports to safeguard against voltage spikes and surges.

I hope these questions and answers provide the information you were looking for! If you have any more specific questions, feel free to ask.