Microsemi Corporation
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SMAJ4743AE3/TR13
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SMAJ4743AE3/TR13

Product Overview

Category

The SMAJ4743AE3/TR13 belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transients.

Characteristics

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

Package

The SMAJ4743AE3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

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

Packaging/Quantity

These diodes are usually packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 43.2V
  • Maximum Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4743AE3/TR13 typically has two pins, with the anode and cathode connections clearly marked on the package.

Functional Features

  • Transient voltage suppression
  • Reverse avalanche breakdown protection
  • Low leakage current

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size for easy integration into circuit designs

Disadvantages

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

Working Principles

When a voltage transient occurs, the diode conducts and diverts the excess energy away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

The SMAJ4743AE3/TR13 is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • P6KE43CA
  • 1.5KE43CA
  • SMBJ43CA

In conclusion, the SMAJ4743AE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in various electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4743AE3/TR13 en soluciones técnicas

  1. What is the maximum reverse voltage of SMAJ4743AE3/TR13?

    • The maximum reverse voltage of SMAJ4743AE3/TR13 is 58.1V.

  2. What is the typical junction capacitance of SMAJ4743AE3/TR13?

    • The typical junction capacitance of SMAJ4743AE3/TR13 is 110pF.

  3. What is the peak pulse power dissipation of SMAJ4743AE3/TR13?

    • The peak pulse power dissipation of SMAJ4743AE3/TR13 is 400W.

  4. What are the applications of SMAJ4743AE3/TR13?

    • SMAJ4743AE3/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 SMAJ4743AE3/TR13?

    • The breakdown voltage of SMAJ4743AE3/TR13 is typically 52.8V.

  6. How does SMAJ4743AE3/TR13 protect electronic circuits?

    • SMAJ4743AE3/TR13 provides transient voltage suppression to protect electronic circuits from voltage spikes and surges.

  7. What is the operating temperature range of SMAJ4743AE3/TR13?

    • The operating temperature range of SMAJ4743AE3/TR13 is -55°C to 150°C.

  8. Is SMAJ4743AE3/TR13 RoHS compliant?

    • Yes, SMAJ4743AE3/TR13 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. What is the package type of SMAJ4743AE3/TR13?

    • SMAJ4743AE3/TR13 comes in a DO-214AC (SMA) package.

  10. Can SMAJ4743AE3/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ4743AE3/TR13 can be used for overvoltage protection in power supply circuits to safeguard against voltage transients.