Microsemi Corporation
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SMAJ4740E3/TR13
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SMAJ4740E3/TR13

Product Overview

Category

The SMAJ4740E3/TR13 belongs to the category of surface mount transient voltage suppressor diodes.

Use

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

Characteristics

  • Low leakage current
  • Fast response time
  • High surge capability
  • ESD protection
  • RoHS compliant

Package

The SMAJ4740E3/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 SMAJ4740E3/TR13 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 40V
  • Breakdown Voltage: 44.4V
  • Maximum Clamping Voltage: 64.5V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4740E3/TR13 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Transient voltage suppression
  • Protection against ESD events
  • Fast response to transient voltage spikes

Advantages

  • Provides effective protection against voltage transients
  • Fast response time helps in preventing damage to sensitive components
  • RoHS compliant, making it environmentally friendly

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection in some applications
  • Limited to specific voltage ranges

Working Principles

The SMAJ4740E3/TR13 works by diverting excessive current away from sensitive components when a transient voltage event occurs. It clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

This product is commonly used in: - Telecommunication equipment - Consumer electronics - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • Alternative Model 1: SMBJ4740E3/TR13

    • Standoff Voltage: 40V
    • Breakdown Voltage: 44.4V
    • Package: DO-214AA (SMB)

  • Alternative Model 2: P6SMBJ4740A

    • Standoff Voltage: 40V
    • Breakdown Voltage: 44.4V
    • Package: DO-214AA (SMB)

In conclusion, the SMAJ4740E3/TR13 is a crucial component for protecting electronic circuits from transient voltage events, offering fast response and high surge capability. Its application spans across various industries, and it has alternative models that cater to different packaging and specifications requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4740E3/TR13 en soluciones técnicas

  1. What is the maximum reverse voltage of SMAJ4740E3/TR13?

    • The maximum reverse voltage of SMAJ4740E3/TR13 is 40V.

  2. What is the typical junction capacitance of SMAJ4740E3/TR13?

    • The typical junction capacitance of SMAJ4740E3/TR13 is 115pF.

  3. What is the peak pulse power dissipation of SMAJ4740E3/TR13?

    • The peak pulse power dissipation of SMAJ4740E3/TR13 is 400W.

  4. What are the typical applications of SMAJ4740E3/TR13?

    • SMAJ4740E3/TR13 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the breakdown voltage of SMAJ4740E3/TR13?

    • The breakdown voltage of SMAJ4740E3/TR13 is typically 44.4V.

  6. How does SMAJ4740E3/TR13 provide overvoltage protection?

    • SMAJ4740E3/TR13 provides overvoltage protection by clamping transient voltage spikes to a safe level, protecting downstream components from damage.

  7. What is the response time of SMAJ4740E3/TR13?

    • The response time of SMAJ4740E3/TR13 is very fast, typically responding to transient surges in nanoseconds.

  8. Can SMAJ4740E3/TR13 be used in high-speed data lines?

    • Yes, SMAJ4740E3/TR13 can be used in high-speed data lines to protect against voltage transients.

  9. What is the operating temperature range of SMAJ4740E3/TR13?

    • The operating temperature range of SMAJ4740E3/TR13 is typically -55°C to 150°C.

  10. How does SMAJ4740E3/TR13 compare to other similar devices in terms of performance and reliability?

    • SMAJ4740E3/TR13 offers excellent performance and reliability in surge protection applications, making it a popular choice for various technical solutions.