Littelfuse Inc.
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15KPA40A-HR

15KPA40A-HR Product Overview

Introduction

The 15KPA40A-HR is a high-reliability transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides a comprehensive overview of the 15KPA40A-HR, including its product details, specifications, functional features, advantages, 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, inductive load switching, and electrostatic discharge
  • Characteristics: High reliability, low clamping voltage, fast response time
  • Package: Axial leaded, DO-201AD
  • Essence: Safeguarding sensitive electronics from voltage transients
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Peak Pulse Power: 15,000 W
  • Standoff Voltage: 40 V
  • Breakdown Voltage Range: 44.4 V - 49.1 V
  • Maximum Clamping Voltage: 64.5 V at 21.6 A
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 15KPA40A-HR features an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level
  • Fast Response Time: Rapid reaction to voltage transients, protecting downstream components
  • High Reliability: Designed for extended service life and consistent performance

Advantages and Disadvantages

Advantages

  • High peak pulse power handling capability
  • Low clamping voltage
  • Fast response time
  • Reliable protection against voltage transients

Disadvantages

  • Higher cost compared to standard diodes
  • Requires careful consideration of reverse standoff voltage for optimal performance

Working Principles

When a transient voltage surge occurs, the 15KPA40A-HR conducts current to divert the excess energy away from the protected circuit. By clamping the voltage to a safe level, it prevents damage to sensitive electronic components.

Detailed Application Field Plans

The 15KPA40A-HR is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 15KPA Series: Includes various models with different breakdown voltages and peak pulse powers, catering to diverse application requirements
  • Other Manufacturers' Equivalents: Several semiconductor manufacturers offer similar transient voltage suppressor diodes with comparable specifications, such as the P6KE series from Vishay and the SMBJ series from Littelfuse.

In conclusion, the 15KPA40A-HR transient voltage suppressor diode offers reliable protection against voltage transients, making it an essential component in safeguarding sensitive electronics across diverse industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 15KPA40A-HR en soluciones técnicas

  1. What is the 15KPA40A-HR component used for in technical solutions?

    • The 15KPA40A-HR is a high-reliability transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and surges.

  2. What are the key specifications of the 15KPA40A-HR?

    • The 15KPA40A-HR has a peak pulse power of 15000W, a breakdown voltage of 40V, and a low clamping voltage to provide effective protection.

  3. How does the 15KPA40A-HR protect electronic circuits?

    • It rapidly clamps transient voltages to a safe level, diverting excess current away from sensitive components and preventing damage.

  4. In what applications is the 15KPA40A-HR commonly used?

    • It is frequently employed in power supplies, industrial equipment, automotive systems, and telecommunications devices to safeguard against voltage transients.

  5. What are the advantages of using the 15KPA40A-HR in technical solutions?

    • Its high reliability, fast response time, and robust construction make it an ideal choice for protecting valuable electronic equipment.

  6. How should the 15KPA40A-HR be integrated into a circuit?

    • It can be directly connected across the input or output terminals of the device being protected, providing a low-impedance path for surge currents.

  7. Can the 15KPA40A-HR be used in harsh environmental conditions?

    • Yes, it is designed to withstand rugged operating environments, making it suitable for use in a wide range of industrial and automotive applications.

  8. What are the temperature considerations for the 15KPA40A-HR?

    • It has a wide operating temperature range, typically from -55°C to 175°C, ensuring reliable performance in various thermal conditions.

  9. Are there any special handling or mounting requirements for the 15KPA40A-HR?

    • It is recommended to follow standard ESD precautions during handling and to mount it securely to minimize mechanical stress.

  10. Where can I find detailed application notes and technical support for the 15KPA40A-HR?

    • Comprehensive application notes and technical support resources are available from the manufacturer's website or through authorized distributors.