Vishay Semiconductor Diodes Division
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1.5KA7.5HE3/51
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1.5KA7.5HE3/51 Product Overview

Introduction

The 1.5KA7.5HE3/51 belongs to the category of semiconductor devices and is commonly used for surge protection in various electronic applications. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Semiconductor Devices
  • Use: Surge Protection
  • Characteristics: High energy absorption, fast response time
  • Package: SMC (DO-214AB)
  • Essence: Protects electronic circuits from voltage surges
  • Packaging/Quantity: Available in reels or bulk packaging

Specifications

  • Voltage Rating: 7.5V
  • Peak Pulse Current: 1.5A
  • Operating Temperature Range: -55°C to +150°C
  • Mounting Type: Surface Mount
  • Polarity: Unidirectional

Detailed Pin Configuration

The 1.5KA7.5HE3/51 has a surface mount package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Compact size
  • RoHS compliant

Disadvantages

  • Limited peak pulse current compared to higher-rated devices
  • Requires proper installation for optimal performance

Working Principles

The 1.5KA7.5HE3/51 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a voltage surge occurs. This helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The 1.5KA7.5HE3/51 is widely used in: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • 1.5KA6.8HE3/51
  • 1.5KA8.2HE3/51
  • 1.5KA10HE3/51
  • 1.5KA12HE3/51
  • 1.5KA15HE3/51

In summary, the 1.5KA7.5HE3/51 is a surface mount surge protection device with a voltage rating of 7.5V and a peak pulse current of 1.5A. Its fast response time and high energy absorption make it suitable for various electronic applications requiring reliable surge protection.

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技術ソリューションにおける 1.5KA7.5HE3/51 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is 1.5KA7.5HE3/51 and what is its application in technical solutions?

    • 1.5KA7.5HE3/51 is a high-efficiency, low-power-loss, fast-recovery rectifier diode commonly used in various technical solutions such as power supplies, inverters, and voltage converters.

  2. What are the key features of 1.5KA7.5HE3/51 that make it suitable for technical solutions?

    • The key features include high efficiency, low power loss, fast recovery time, and high surge current capability, making it ideal for applications requiring reliable and efficient rectification.

  3. How does 1.5KA7.5HE3/51 contribute to improving the performance of power supplies?

    • 1.5KA7.5HE3/51 helps improve power supply performance by providing efficient rectification, reducing power losses, and ensuring fast recovery times, which are essential for stable and reliable power delivery.

  4. In what type of inverters can 1.5KA7.5HE3/51 be used, and what benefits does it offer?

    • 1.5KA7.5HE3/51 can be used in various types of inverters, including solar inverters and motor drives, where it offers improved efficiency, reduced heat generation, and enhanced reliability.

  5. What are the temperature and voltage ratings of 1.5KA7.5HE3/51, and how do they impact its application in technical solutions?

    • With its high temperature and voltage ratings, 1.5KA7.5HE3/51 can withstand demanding operating conditions, making it suitable for use in a wide range of technical solutions, including those with high voltage and temperature requirements.

  6. Can 1.5KA7.5HE3/51 be used in voltage converters, and if so, what advantages does it provide?

    • Yes, 1.5KA7.5HE3/51 can be used in voltage converters to achieve efficient and reliable rectification, leading to improved overall performance, reduced energy losses, and enhanced system stability.

  7. What are the typical applications where 1.5KA7.5HE3/51 is commonly employed, and why is it preferred in these applications?

    • Typical applications include industrial power systems, automotive electronics, and renewable energy systems, where 1.5KA7.5HE3/51 is preferred for its high efficiency, robustness, and ability to handle high surge currents.

  8. How does 1.5KA7.5HE3/51 contribute to energy savings and sustainability in technical solutions?

    • By minimizing power losses and maximizing efficiency, 1.5KA7.5HE3/51 helps conserve energy and promote sustainability in technical solutions, aligning with the growing emphasis on energy-efficient technologies.

  9. What are the design considerations when integrating 1.5KA7.5HE3/51 into technical solutions, and how can its performance be optimized?

    • Design considerations include thermal management, proper voltage and current ratings, and layout optimization to ensure optimal performance and reliability of 1.5KA7.5HE3/51 within the technical solution.

  10. Are there any specific safety or compliance standards associated with the use of 1.5KA7.5HE3/51 in technical solutions?

    • Yes, adherence to relevant safety and compliance standards, such as IEC and UL standards, is important when incorporating 1.5KA7.5HE3/51 into technical solutions to ensure safe and reliable operation.