Vishay Semiconductor Diodes Division
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1.5KE51HE3/73
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1.5KE51HE3/73

Product Overview

The 1.5KE51HE3/73 belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are designed to protect sensitive components from voltage spikes and transients. The 1.5KE51HE3/73 is characterized by its high surge capability, fast response time, and compact package. It is typically available in a DO-201 package and is offered in various packaging options such as tape and reel or bulk.

Specifications

  • Part Number: 1.5KE51HE3/73
  • Category: Transient Voltage Suppressor Diode
  • Peak Power Dissipation: 1500W
  • Breakdown Voltage: 51V
  • Package Type: DO-201
  • Packaging Options: Tape and Reel, Bulk

Pin Configuration

The 1.5KE51HE3/73 TVS diode typically has a standard axial lead configuration with two leads for connection to the circuit.

Functional Features

  • Fast response time to transient voltage spikes
  • High surge capability for effective protection
  • Compact and rugged design for versatile applications

Advantages

  • Provides reliable protection against voltage transients
  • Fast reaction time helps safeguard sensitive components
  • Compact form factor allows for easy integration into circuits

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Limited to specific voltage and power ratings

Working Principles

When a voltage transient occurs in the circuit, the 1.5KE51HE3/73 TVS diode rapidly conducts, diverting the excess energy away from the sensitive components. This action helps to limit the voltage across the circuit and prevent damage due to transient events.

Application Field Plans

The 1.5KE51HE3/73 TVS diode finds extensive use in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Alternative Models

  • 1.5KE47CA - 1500W Transient Voltage Suppressor Diode
  • 1.5KE56A - 1500W Transient Voltage Suppressor Diode
  • 1.5KE62CA - 1500W Transient Voltage Suppressor Diode

In conclusion, the 1.5KE51HE3/73 TVS diode offers robust surge protection capabilities and is well-suited for a wide range of electronic applications. Its fast response time and high surge capability make it an essential component for safeguarding sensitive circuits against voltage transients.

技術ソリューションにおける 1.5KE51HE3/73 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 the 1.5KE51HE3/73?

    • The 1.5KE51HE3/73 is a TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of the 1.5KE51HE3/73?

    • The maximum peak pulse power is 1500W, making it suitable for handling high transient power events.

  3. What is the breakdown voltage of the 1.5KE51HE3/73?

    • The breakdown voltage is 51V, indicating the point at which the diode starts conducting to suppress excessive voltage.

  4. In what applications can the 1.5KE51HE3/73 be used?

    • It is commonly used in applications such as power supplies, telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage surges.

  5. What is the response time of the 1.5KE51HE3/73?

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

  6. How does the 1.5KE51HE3/73 compare to other TVS diodes in terms of performance?

    • It offers excellent clamping capability and low leakage current, making it a reliable choice for surge protection.

  7. Can the 1.5KE51HE3/73 be used in outdoor or harsh environments?

    • Yes, it is designed to withstand harsh environmental conditions and is suitable for outdoor applications where protection against lightning-induced surges is required.

  8. What are the mounting options for the 1.5KE51HE3/73?

    • It is available in various package types, including axial-lead, surface mount, and through-hole, providing flexibility for different mounting requirements.

  9. Does the 1.5KE51HE3/73 comply with industry standards for surge protection?

    • Yes, it complies with industry standards such as IEC 61000-4-5 for surge immunity, ensuring its reliability in protecting electronic circuits.

  10. Are there any specific thermal considerations when using the 1.5KE51HE3/73?

    • It is important to consider heat dissipation and thermal management due to the high power handling capability of the diode, especially during prolonged surge events.