Microsemi Corporation
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SMAJ4472E3/TR13
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SMAJ4472E3/TR13

Product Overview

Category

The SMAJ4472E3/TR13 belongs to the category of transient voltage suppressor diodes.

Use

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

Characteristics

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

Package

The SMAJ4472E3/TR13 is available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMAJ4472E3/TR13 is typically packaged in reels with quantities varying based on customer requirements.

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage Range: 6.40V to 7.07V
  • Maximum Reverse Standoff Voltage: 5.0V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4472E3/TR13 has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Bidirectional TVS diode
  • Low leakage current
  • ESD protection

Advantages and Disadvantages

Advantages

  • Fast response to transient voltage spikes
  • High surge current handling capability
  • Compact size

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • Higher clamping voltage compared to some other TVS diodes

Working Principles

The SMAJ4472E3/TR13 operates by diverting excessive current away from sensitive components when an overvoltage event occurs, thereby protecting them from damage.

Detailed Application Field Plans

The SMAJ4472E3/TR13 is commonly used in the following applications: - Telecommunication equipment - Consumer electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4472E3/TR13 include: - P6SMBJ6.5CA - SMBJ5.0A

In conclusion, the SMAJ4472E3/TR13 transient voltage suppressor diode offers effective overvoltage protection for a wide range of electronic applications, making it a crucial component in ensuring the reliability and longevity of electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4472E3/TR13 v technických řešeních

  1. What is SMAJ4472E3/TR13?

    • SMAJ4472E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What are the key features of SMAJ4472E3/TR13?

    • The key features of SMAJ4472E3/TR13 include its low clamping voltage, fast response time, and high surge current capability.

  3. What are the typical applications of SMAJ4472E3/TR13?

    • SMAJ4472E3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect against voltage surges and transients.

  4. How does SMAJ4472E3/TR13 provide protection against voltage spikes?

    • SMAJ4472E3/TR13 works by diverting excessive voltage away from sensitive components, thereby limiting the voltage across the protected circuit.

  5. What is the maximum peak pulse power of SMAJ4472E3/TR13?

    • The maximum peak pulse power of SMAJ4472E3/TR13 is typically specified in the datasheet and is an important parameter for determining its suitability for a specific application.

  6. What is the operating temperature range of SMAJ4472E3/TR13?

    • The operating temperature range of SMAJ4472E3/TR13 is also specified in the datasheet and is important for ensuring proper performance in different environmental conditions.

  7. How should SMAJ4472E3/TR13 be mounted on a PCB?

    • SMAJ4472E3/TR13 should be mounted using appropriate soldering techniques and layout considerations to ensure good electrical and thermal performance.

  8. What are the industry standards or certifications applicable to SMAJ4472E3/TR13?

    • SMAJ4472E3/TR13 may comply with industry standards such as AEC-Q101 for automotive applications or have certifications like UL recognition for specific safety requirements.

  9. Can SMAJ4472E3/TR13 be used for ESD protection?

    • While SMAJ4472E3/TR13 is primarily designed for transient voltage suppression, it may also provide some level of electrostatic discharge (ESD) protection due to its fast response time.

  10. Are there any recommended companion components or circuit protection strategies when using SMAJ4472E3/TR13?

    • It's advisable to consult the datasheet and application notes for recommended companion components such as fuses, varistors, or additional transient voltage suppressors to create a comprehensive circuit protection strategy.