Vishay Semiconductor Diodes Division
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1.5KE9.1HE3/73
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1.5KE9.1HE3/73 - TVS Diode

Product Overview

  • Category: Electronic Component
  • Use: Transient Voltage Suppression
  • Characteristics: High surge capability, fast response time, low clamping voltage
  • Package: DO-201AD
  • Essence: Protects electronic circuits from voltage transients
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 9.1V
  • Operating Voltage: 7.78V
  • Maximum Clamping Voltage: 14.5V
  • Peak Pulse Current: 68.2A
  • Reverse Standoff Voltage: 7.78V
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE9.1HE3/73 TVS diode has a standard DO-201AD package with two leads.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected components
  • High surge capability for reliable performance in harsh environments

Advantages and Disadvantages

Advantages

  • Robust protection against voltage surges
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Can degrade over time with repeated surges
  • Requires periodic testing and replacement in high-risk applications

Working Principles

The TVS diode operates by diverting excess current away from sensitive components when a voltage surge occurs. It acts as a shunt regulator, limiting the voltage across the circuit it is protecting.

Detailed Application Field Plans

The 1.5KE9.1HE3/73 TVS diode is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE6.8HE3/73
  • 1.5KE10HE3/73
  • 1.5KE15HE3/73
  • 1.5KE18HE3/73

This comprehensive range of alternative models provides options for different voltage protection requirements.

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技術ソリューションにおける 1.5KE9.1HE3/73 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。

Sure, here are 10 common questions and answers related to the application of 1.5KE9.1HE3/73 in technical solutions:

  1. What is the maximum peak pulse power dissipation of 1.5KE9.1HE3/73?

    • The maximum peak pulse power dissipation is 1500W for a 10/1000μs waveform.

  2. What is the breakdown voltage of 1.5KE9.1HE3/73?

    • The breakdown voltage is 9.1V.

  3. What is the typical clamping voltage of 1.5KE9.1HE3/73?

    • The typical clamping voltage is 12.3V at 16.7A.

  4. What is the maximum junction temperature of 1.5KE9.1HE3/73?

    • The maximum junction temperature is 175°C.

  5. What is the reverse stand-off voltage of 1.5KE9.1HE3/73?

    • The reverse stand-off voltage is 7.78V.

  6. What are the applications of 1.5KE9.1HE3/73?

    • It is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  7. What is the response time of 1.5KE9.1HE3/73?

    • The response time is typically less than 1.0 nanosecond from 0V to BV min.

  8. What is the operating and storage temperature range for 1.5KE9.1HE3/73?

    • The operating temperature range is -55°C to +175°C, and the storage temperature range is -55°C to +175°C.

  9. What is the package type of 1.5KE9.1HE3/73?

    • It is available in a DO-201AD (DO-27) package.

  10. What are the key features of 1.5KE9.1HE3/73?

    • Some key features include low incremental surge resistance, fast response time, and high reliability with a unidirectional polarity.

Let me know if you need further information on any of these questions!