Vishay Semiconductor Diodes Division
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1.5KE440-E3/73
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1.5KE440-E3/73

Product Overview

The 1.5KE440-E3/73 belongs to the category of TVS (Transient Voltage Suppressor) diodes and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage transients, thereby protecting sensitive components from damage. The 1.5KE440-E3/73 is typically packaged in a DO-201 package and is available in various packaging quantities to suit different application needs.

Specifications

  • Voltage Rating: 376V
  • Power Dissipation: 1500W
  • Polarity: Unidirectional
  • Package Type: DO-201
  • Packaging Quantity: Available in reels or bulk packaging

Detailed Pin Configuration

The 1.5KE440-E3/73 TVS diode typically consists of two leads, with the anode and cathode connections clearly marked on the DO-201 package.

Functional Features

  • Rapid response to transient overvoltages
  • Low clamping voltage
  • High surge current capability
  • Robust construction for reliability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • High power dissipation capability
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Unidirectional protection only
  • May require additional components for bidirectional protection

Working Principles

When an overvoltage transient occurs, the 1.5KE440-E3/73 TVS diode quickly conducts, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE440-E3/73 is widely used in various applications, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE400A-E3/54
  • 1.5KE440CA-E3/54
  • 1.5KE440A-E3/54
  • 1.5KE440CA-E3/73

In summary, the 1.5KE440-E3/73 TVS diode offers effective surge protection for a wide range of electronic applications, making it a crucial component in safeguarding sensitive circuits from overvoltage events.

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기술 솔루션에 1.5KE440-E3/73 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum peak pulse power of 1.5KE440-E3/73?

    • The maximum peak pulse power of 1.5KE440-E3/73 is 1500 watts.

  2. What is the breakdown voltage of 1.5KE440-E3/73?

    • The breakdown voltage of 1.5KE440-E3/73 is 440 volts.

  3. What are the typical applications of 1.5KE440-E3/73?

    • Typical applications of 1.5KE440-E3/73 include overvoltage protection in various electronic circuits, such as power supplies, telecommunications equipment, and industrial controls.

  4. What is the clamping voltage of 1.5KE440-E3/73?

    • The clamping voltage of 1.5KE440-E3/73 is 586 volts.

  5. What is the operating temperature range of 1.5KE440-E3/73?

    • The operating temperature range of 1.5KE440-E3/73 is -55°C to +175°C.

  6. Is 1.5KE440-E3/73 RoHS compliant?

    • Yes, 1.5KE440-E3/73 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  7. What is the peak pulse current rating of 1.5KE440-E3/73?

    • The peak pulse current rating of 1.5KE440-E3/73 is 9.09A.

  8. Does 1.5KE440-E3/73 have a low leakage current?

    • Yes, 1.5KE440-E3/73 has a low leakage current, making it suitable for sensitive electronic applications.

  9. Can 1.5KE440-E3/73 be used for surge protection in power supply units?

    • Yes, 1.5KE440-E3/73 is commonly used for surge protection in power supply units to safeguard against voltage transients.

  10. What package type does 1.5KE440-E3/73 come in?

    • 1.5KE440-E3/73 is available in a DO-201AD (DO-27) package.