Microsemi Corporation
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SMAJ4745AE3/TR13
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SMAJ4745AE3/TR13

Product Overview

Category

The SMAJ4745AE3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability

Package

The SMAJ4745AE3/TR13 is typically 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 due to voltage spikes.

Packaging/Quantity

It is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 45V
  • Breakdown Voltage: 50V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4745AE3/TR13 typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

  • Transient voltage suppression
  • Bidirectional clamping capability
  • Low leakage current

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a transient voltage event occurs, the SMAJ4745AE3/TR13 conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

This TVS diode is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • P6KE45CA
  • 1.5KE45A
  • SMCJ45A

In conclusion, the SMAJ4745AE3/TR13 is a crucial component in safeguarding electronic circuits from transient voltage events, offering fast response times and bidirectional clamping capabilities. While it has limitations in power dissipation, its effectiveness in protecting sensitive components makes it a valuable asset in various applications.

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기술 솔루션에 SMAJ4745AE3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is SMAJ4745AE3/TR13?

    • SMAJ4745AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ4745AE3/TR13?

    • The maximum peak pulse power of SMAJ4745AE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4745AE3/TR13?

    • The breakdown voltage of SMAJ4745AE3/TR13 is 51 volts.

  4. What are the typical applications of SMAJ4745AE3/TR13?

    • SMAJ4745AE3/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage surges.

  5. What is the operating temperature range of SMAJ4745AE3/TR13?

    • The operating temperature range of SMAJ4745AE3/TR13 is -55°C to +150°C.

  6. What is the clamping voltage of SMAJ4745AE3/TR13?

    • The clamping voltage of SMAJ4745AE3/TR13 is 77.4 volts at 10A.

  7. Is SMAJ4745AE3/TR13 RoHS compliant?

    • Yes, SMAJ4745AE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What package type does SMAJ4745AE3/TR13 come in?

    • SMAJ4745AE3/TR13 is available in a DO-214AC (SMA) package.

  9. What are the key features of SMAJ4745AE3/TR13?

    • Some key features of SMAJ4745AE3/TR13 include low leakage current, fast response time, and high surge capability.

  10. How should SMAJ4745AE3/TR13 be mounted on a PCB?

    • SMAJ4745AE3/TR13 should be mounted using appropriate soldering techniques and following the recommended PCB layout guidelines provided in the datasheet to ensure proper performance and reliability.