Microsemi Corporation
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SMDA15C-4/TR7
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SMDA15C-4/TR7

Product Overview

Category

The SMDA15C-4/TR7 belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Characteristics

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

Package

The SMDA15C-4/TR7 is available in a surface mount 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

The SMDA15C-4/TR7 is typically packaged in reels with a specific quantity per reel, as per manufacturer specifications.

Specifications

  • Standoff Voltage: 15V
  • Breakdown Voltage: 16.7V
  • Maximum Clamping Voltage: 25.2V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMDA15C-4/TR7 has a standard SOD-123FL package with two pins.

Functional Features

  • Bi-directional TVS diode array
  • Low leakage current
  • ESD protection up to ±30kV (contact discharge)

Advantages

  • Provides robust overvoltage protection
  • Fast response time ensures minimal impact on the protected circuit
  • Small form factor suitable for compact designs

Disadvantages

  • Limited peak pulse current compared to some higher-rated TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

When a voltage transient occurs, the SMDA15C-4/TR7 conducts and diverts the excess current away from the protected circuit, limiting the voltage across it to a safe level.

Detailed Application Field Plans

The SMDA15C-4/TR7 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMDA15C-4/TR7 include: - SMDJ15A - P6SMB15A - SMBJ15CA

In conclusion, the SMDA15C-4/TR7 is a vital component in protecting electronic circuits from voltage transients, offering a balance of performance and size for various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMDA15C-4/TR7 en soluciones técnicas

  1. What is SMDA15C-4/TR7?

    • SMDA15C-4/TR7 is a surface mount TVS diode array designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of SMDA15C-4/TR7?

    • The key features include low clamping voltage, high surge current capability, and compatibility with various industry standards such as IEC 61000-4-5 and ITU-T K.20/21.

  3. How does SMDA15C-4/TR7 provide protection in technical solutions?

    • SMDA15C-4/TR7 provides protection by diverting transient currents away from sensitive components, thereby preventing damage due to voltage surges.

  4. What are the typical applications for SMDA15C-4/TR7?

    • Typical applications include Ethernet ports, telecommunication equipment, industrial control systems, and other sensitive electronic devices requiring transient voltage protection.

  5. What is the operating voltage range of SMDA15C-4/TR7?

    • The operating voltage range is from 12V to 24V, making it suitable for a wide range of electronic systems.

  6. Is SMDA15C-4/TR7 RoHS compliant?

    • Yes, SMDA15C-4/TR7 is RoHS compliant, ensuring that it meets environmental regulations for hazardous substances.

  7. What is the maximum surge current handling capability of SMDA15C-4/TR7?

    • SMDA15C-4/TR7 can handle surge currents up to 30A, providing robust protection against transient events.

  8. Does SMDA15C-4/TR7 require any external components for proper operation?

    • No, SMDA15C-4/TR7 is a standalone device and does not require any external components for its operation.

  9. Can SMDA15C-4/TR7 be used in outdoor applications?

    • Yes, SMDA15C-4/TR7 is suitable for outdoor applications due to its ability to withstand harsh environmental conditions.

  10. Is there a recommended layout or placement for SMDA15C-4/TR7 on a PCB?

    • Yes, the manufacturer provides guidelines for the optimal layout and placement of SMDA15C-4/TR7 on a PCB to ensure effective transient voltage protection.