Littelfuse Inc.
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3KP7.5C
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3KP7.5C Product Overview

Introduction

The 3KP7.5C is a high-power TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the 3KP7.5C, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Protection against voltage transients
  • Characteristics: High power handling capability, fast response time, low clamping voltage
  • Package: DO-201AD
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Peak Power Dissipation: 3000W
  • Breakdown Voltage: 7.5V
  • Operating Voltage: 6.4V
  • Maximum Clamping Voltage: 11.4V
  • Peak Pulse Current: 500A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 3KP7.5C TVS diode has a standard DO-201AD package with two leads. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to downstream electronics.
  • High Power Handling Capability: Capable of dissipating large amounts of energy during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High power handling capability

Disadvantages

  • Clamping voltage may be relatively high for some applications
  • Requires careful consideration of placement within the circuit to ensure optimal protection

Working Principles

The 3KP7.5C operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly switches into a low impedance state, shunting excess current away from the protected circuitry. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 3KP7.5C is commonly used in various electronic systems where protection against voltage transients is critical. Some specific application fields include: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Renewable energy systems

Detailed and Complete Alternative Models

  • 3KP6.8C: Similar TVS diode with a lower breakdown voltage of 6.8V
  • 3KP8.2C: Similar TVS diode with a higher breakdown voltage of 8.2V
  • 5KP7.5C: Higher power handling TVS diode with the same breakdown voltage of 7.5V

In conclusion, the 3KP7.5C TVS diode offers robust protection against voltage transients, making it an essential component in various electronic systems. Its high power handling capability, fast response time, and effective transient voltage suppression make it a valuable asset in safeguarding sensitive electronics.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 3KP7.5C en soluciones técnicas

  1. What is 3KP7.5C and what are its technical applications?

    • 3KP7.5C is a type of diode, commonly used in voltage regulation and surge protection in electronic circuits.

  2. How does 3KP7.5C contribute to voltage regulation?

    • 3KP7.5C diodes can be used to regulate voltage by clamping the output voltage to a safe level when it exceeds a certain threshold.

  3. In what technical scenarios is 3KP7.5C used for surge protection?

    • 3KP7.5C diodes are often employed in power supplies, automotive electronics, and industrial equipment to protect against voltage spikes and surges.

  4. What are the key electrical characteristics of 3KP7.5C that make it suitable for technical solutions?

    • The 3KP7.5C diode has a high surge capability, low forward voltage drop, and fast response time, making it ideal for surge protection applications.

  5. Can 3KP7.5C be used in conjunction with other components for enhanced protection?

    • Yes, 3KP7.5C diodes can be combined with capacitors and resistors to create more robust transient voltage suppression circuits.

  6. Are there specific environmental conditions that affect the performance of 3KP7.5C?

    • 3KP7.5C diodes are designed to operate within a specified temperature range and are sensitive to excessive humidity and mechanical stress.

  7. What are the typical failure modes of 3KP7.5C in technical systems?

    • Common failure modes include thermal runaway under high current conditions and degradation due to prolonged exposure to overvoltage events.

  8. How can 3KP7.5C diodes be integrated into PCB designs for optimal performance?

    • Proper layout and placement of 3KP7.5C diodes on the PCB, along with appropriate trace routing and grounding, are crucial for achieving effective surge protection.

  9. What are the industry standards or certifications relevant to the use of 3KP7.5C in technical solutions?

    • Compliance with standards such as IEC 61000-4-5 for surge immunity and RoHS for environmental safety is important when integrating 3KP7.5C diodes into technical solutions.

  10. What are the best practices for testing and validating the performance of 3KP7.5C in a technical application?

    • Conducting transient voltage suppression tests, thermal cycling, and long-term reliability assessments can help ensure the proper functioning of 3KP7.5C diodes in technical solutions.