Vishay Semiconductor Diodes Division
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TPSMA20AHE3_B/I
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TPSMA20AHE3_B/I

Product Overview

Category

The TPSMA20AHE3_B/I belongs to the category of semiconductor devices, specifically a transient voltage suppressor diode.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • Low clamping voltage
  • Fast response time
  • High surge capability
  • RoHS compliant

Package

The TPSMA20AHE3_B/I is available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The TPSMA20AHE3_B/I is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 17.1V
  • Breakdown Voltage: 18.9V
  • Maximum Reverse Leakage Current: 1µA at 12V
  • Peak Pulse Power Dissipation: 400W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The TPSMA20AHE3_B/I has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Transient voltage suppression
  • Bidirectional protection
  • Low clamping voltage
  • Fast response time

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High surge capability

Disadvantages

  • Higher cost compared to traditional diodes
  • Requires careful consideration of placement for optimal performance

Working Principles

When a voltage transient occurs, the TPSMA20AHE3_B/I conducts current to divert the excess energy away from the protected circuit, thus limiting the voltage across it.

Detailed Application Field Plans

The TPSMA20AHE3_B/I is commonly used in various applications such as: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the TPSMA20AHE3_B/I include: - P6SMBJ17CA - 1.5SMC16CA - SMBJ17CA

In conclusion, the TPSMA20AHE3_B/I is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge capabilities. Its application spans across various industries, making it an essential part of modern electronic systems.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TPSMA20AHE3_B/I dalam solusi teknis

Sure, here are 10 common questions and answers related to the application of TPSMA20AHE3_B/I in technical solutions:

  1. What is the maximum peak pulse power dissipation of TPSMA20AHE3_B/I?

    • The maximum peak pulse power dissipation is 400W for a 10/1000μs waveform.

  2. What is the breakdown voltage of TPSMA20AHE3_B/I?

    • The breakdown voltage is 17.8V minimum and 22.2V maximum at 1mA.

  3. Can TPSMA20AHE3_B/I be used for overvoltage protection in power supplies?

    • Yes, TPSMA20AHE3_B/I is commonly used for overvoltage protection in power supplies due to its transient voltage suppression capabilities.

  4. What is the typical clamping voltage of TPSMA20AHE3_B/I?

    • The typical clamping voltage is 29.2V at 14A for a 10/1000μs waveform.

  5. Is TPSMA20AHE3_B/I suitable for surge protection in telecommunications equipment?

    • Yes, TPSMA20AHE3_B/I is often used for surge protection in telecommunications equipment due to its high surge capability.

  6. What is the operating temperature range of TPSMA20AHE3_B/I?

    • The operating temperature range is -55°C to +150°C, making it suitable for a wide range of environments.

  7. Can TPSMA20AHE3_B/I be used for ESD protection in electronic circuits?

    • Yes, TPSMA20AHE3_B/I is commonly employed for ESD protection in electronic circuits due to its fast response time.

  8. What package type does TPSMA20AHE3_B/I come in?

    • TPSMA20AHE3_B/I is available in a molded JEDEC DO-214AC (SMA) package.

  9. Does TPSMA20AHE3_B/I comply with RoHS requirements?

    • Yes, TPSMA20AHE3_B/I is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What are some typical applications for TPSMA20AHE3_B/I?

    • Typical applications include overvoltage and surge protection in consumer electronics, industrial equipment, automotive systems, and more.

I hope these questions and answers are helpful for your technical solutions! If you have any further questions, feel free to ask.