Littelfuse Inc.
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SP4045-04ATG
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SP4045-04ATG

Introduction

The SP4045-04ATG is a crucial component in the field of electronic devices, specifically within the category of voltage suppressors. This device is widely used to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The following entry provides an overview of the SP4045-04ATG, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Suppressor
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: SOD-123FL
  • Essence: Safeguarding electronic equipment from voltage transients
  • Packaging/Quantity: Available in reels of 3000 units

Specifications

  • Peak Pulse Power: 400 Watts
  • Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +150°C
  • Breakdown Voltage: 85.9V
  • Reverse Standoff Voltage: 58.1V
  • Maximum Reverse Leakage Current: 1µA

Detailed Pin Configuration

The SP4045-04ATG follows the standard SOD-123FL package configuration with three pins: Anode, Cathode, and Ground.

Functional Features

  • High Surge Capability: Able to withstand high surge currents without degradation.
  • Low Clamping Voltage: Provides effective protection by clamping voltage at a low level.
  • Fast Response Time: Reacts quickly to transient voltage events, minimizing potential damage to connected equipment.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact package size for easy integration into circuit designs
  • Fast response time ensures minimal impact on connected equipment

Disadvantages

  • Limited to specific voltage ranges
  • May require additional components for comprehensive transient protection

Working Principles

The SP4045-04ATG operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the device rapidly switches into a low impedance state, diverting excess current away from the protected circuitry and limiting the voltage across it.

Detailed Application Field Plans

The SP4045-04ATG finds extensive use in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • SP4020-04UTG
  • SP4050-04STG
  • SP4070-04PTG
  • SP40100-04WTG

In conclusion, the SP4045-04ATG plays a critical role in protecting electronic equipment from voltage transients, offering a balance of surge capability, clamping voltage, and response time. Its compact design and robust performance make it a valuable component in a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SP4045-04ATG v technických řešeních

  1. What is the SP4045-04ATG?

    • The SP4045-04ATG is a surge protection device designed to protect sensitive electronic equipment from power surges and transient voltage.

  2. What are the key features of the SP4045-04ATG?

    • The key features include 40kA surge current capacity, 4-mode protection, compact design, and easy installation.

  3. What types of equipment can the SP4045-04ATG protect?

    • It can protect a wide range of equipment including computers, networking devices, industrial control systems, and other sensitive electronics.

  4. How does the SP4045-04ATG provide surge protection?

    • It provides surge protection by diverting excess voltage away from connected equipment and dissipating it safely to the ground.

  5. Is the SP4045-04ATG suitable for outdoor use?

    • Yes, the SP4045-04ATG is designed for both indoor and outdoor applications, providing protection in various environments.

  6. What are the installation requirements for the SP4045-04ATG?

    • It should be installed by a qualified electrician and connected to the appropriate grounding system as per the manufacturer's guidelines.

  7. Can the SP4045-04ATG be used in conjunction with other surge protection devices?

    • Yes, it can be used in conjunction with other surge protection devices to provide layered protection for critical equipment.

  8. What is the warranty period for the SP4045-04ATG?

    • The standard warranty period is typically 5 years, but it's important to check the specific terms and conditions provided by the manufacturer.

  9. Are there any maintenance requirements for the SP4045-04ATG?

    • Regular visual inspections and testing are recommended to ensure the device is functioning properly, as well as following any maintenance guidelines provided by the manufacturer.

  10. Where can I find technical support or additional resources for the SP4045-04ATG?

    • Technical support and additional resources can be obtained from the manufacturer's website, authorized distributors, or customer service representatives.