Vishay Semiconductor Diodes Division
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1.5KE33A-E3/73
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1.5KE33A-E3/73 Encyclopedia Entry

Product Overview

The 1.5KE33A-E3/73 belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronics from voltage spikes and transients. The 1.5KE33A-E3/73 is designed to clamp transient over-voltage conditions to prevent damage to downstream components. It is characterized by its high surge capability, fast response time, and compact package.

Basic Information

  • Category: TVS Diodes
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, fast response time
  • Package: DO-201AE
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 30.8V
  • Reverse Standoff Voltage: 26.6V
  • Operating Temperature Range: -55°C to +175°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The 1.5KE33A-E3/73 has a standard DO-201AE package with two leads. The anode is connected to the positive side and the cathode to the negative side.

Functional Features

  • Fast response to transient over-voltage conditions
  • High surge capability for reliable protection
  • Low clamping voltage to limit stress on protected circuits

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact package size

Disadvantages

  • Unidirectional protection only
  • Limited to specific voltage range

Working Principles

When a transient voltage spike occurs, the 1.5KE33A-E3/73 diode rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents the voltage from reaching levels that could damage sensitive components.

Detailed Application Field Plans

The 1.5KE33A-E3/73 is commonly used in electronic equipment such as power supplies, communication systems, and industrial controls. Its primary application is to safeguard these devices from voltage surges induced by lightning, ESD (electrostatic discharge), or switching transients.

Detailed and Complete Alternative Models

  • 1.5KE33CA-E3/73
  • 1.5KE36A-E3/73
  • 1.5KE39A-E3/73
  • 1.5KE43A-E3/73

In conclusion, the 1.5KE33A-E3/73 TVS diode offers effective protection against transient voltage events, making it an essential component in various electronic systems.

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技術ソリューションにおける 1.5KE33A-E3/73 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 1.5KE33A-E3/73 in technical solutions:

  1. What is the maximum peak pulse power dissipation of 1.5KE33A-E3/73?

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

  2. What is the breakdown voltage of 1.5KE33A-E3/73?

    • The breakdown voltage is 33V.

  3. What is the typical clamping voltage of 1.5KE33A-E3/73?

    • The typical clamping voltage is 45.7V at 77.8A.

  4. What is the operating temperature range of 1.5KE33A-E3/73?

    • The operating temperature range is -55°C to +175°C.

  5. What is the peak pulse current capability of 1.5KE33A-E3/73?

    • The peak pulse current capability is 77.8A.

  6. What are the typical applications for 1.5KE33A-E3/73?

    • Typical applications include transient voltage suppression in electronic equipment, telecommunication systems, and automotive electronics.

  7. What is the package type of 1.5KE33A-E3/73?

    • The package type is DO-201.

  8. What is the lead-free status of 1.5KE33A-E3/73?

    • It is lead-free and RoHS compliant.

  9. What is the reverse stand-off voltage of 1.5KE33A-E3/73?

    • The reverse stand-off voltage is 28.5V.

  10. What are the key features of 1.5KE33A-E3/73?

    • The key features include high surge capability, fast response time, and low clamping voltage.

I hope this information is helpful! Let me know if you need further assistance.