Microsemi Corporation
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SMAJ4475E3/TR13
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SMAJ4475E3/TR13

Product Overview

Category

The SMAJ4475E3/TR13 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

  • Voltage Suppression: Capable of suppressing transient voltages to protect downstream components.
  • Fast Response Time: Rapid response to voltage transients ensures effective protection.
  • Compact Size: Small form factor for easy integration into circuit designs.
  • Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ4475E3/TR13 is typically available in a surface-mount package, allowing for convenient assembly onto printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage fluctuations, ensuring reliable operation and longevity of electronic devices.

Packaging/Quantity

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

Specifications

  • Part Number: SMAJ4475E3/TR13
  • Standoff Voltage: 75V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Breakdown Voltage: 83.3V
  • Reverse Standoff Voltage: 64.1V

Detailed Pin Configuration

The SMAJ4475E3/TR13 features a standard SMC (DO-214AB) package with two pins for connection to the circuit.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
  • Bidirectional Protection: Provides protection for both positive and negative voltage transients.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ4475E3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage, thereby diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMAJ4475E3/TR13 finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: P6SMB75CA
    • Standoff Voltage: 75V
    • Peak Pulse Power: 600W
    • Package: DO-214AA
  • Alternative Model 2: SMBJ75A
    • Standoff Voltage: 75V
    • Peak Pulse Power: 600W
    • Package: DO-214AA

In conclusion, the SMAJ4475E3/TR13 serves as a crucial component in protecting electronic circuits from transient voltage events, offering a balance of performance, size, and reliability.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4475E3/TR13 en soluciones técnicas

  1. What is SMAJ4475E3/TR13?

    • SMAJ4475E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ4475E3/TR13?

    • The maximum peak pulse power of SMAJ4475E3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4475E3/TR13?

    • The breakdown voltage of SMAJ4475E3/TR13 is 75 volts.

  4. What are the typical applications of SMAJ4475E3/TR13?

    • SMAJ4475E3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage surges and transients.

  5. What is the clamping voltage of SMAJ4475E3/TR13?

    • The clamping voltage of SMAJ4475E3/TR13 is 121 volts at 10A.

  6. What is the operating temperature range of SMAJ4475E3/TR13?

    • The operating temperature range of SMAJ4475E3/TR13 is -55°C to +150°C.

  7. Is SMAJ4475E3/TR13 RoHS compliant?

    • Yes, SMAJ4475E3/TR13 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of SMAJ4475E3/TR13?

    • SMAJ4475E3/TR13 comes in a DO-214AC (SMA) package.

  9. What are the key features of SMAJ4475E3/TR13?

    • Some key features of SMAJ4475E3/TR13 include low incremental surge resistance, fast response time, and high reliability.

  10. How should SMAJ4475E3/TR13 be mounted on a PCB?

    • SMAJ4475E3/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.