Diodes Incorporated
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SMAJ28A-13
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SMAJ28A-13

Product Overview

Category

SMAJ28A-13 belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Voltage Suppression: Provides protection against voltage spikes and surges.
  • Fast Response Time: Rapidly clamps transient voltages to a safe level.
  • Low Leakage Current: Ensures minimal power dissipation during normal operation.
  • Compact Package: Small form factor for easy integration into circuit designs.

Package

The SMAJ28A-13 is typically available in a surface-mount package.

Essence

The essence of SMAJ28A-13 lies in its ability to safeguard electronic circuits from potentially damaging voltage transients.

Packaging/Quantity

The diodes are usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: SMAJ28A-13
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 28V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The SMAJ28A-13 typically features two pins for surface-mount soldering. The pinout configuration is as follows: 1. Anode 2. Cathode

Functional Features

  • Transient Voltage Suppression: Clamps transient voltages to protect downstream components.
  • Bidirectional Protection: Offers protection for both positive and negative voltage transients.
  • Low Clamping Voltage: Limits the voltage across the protected circuitry.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited maximum clamping voltage
  • Requires careful consideration of placement in circuit design

Working Principles

SMAJ28A-13 operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage exceeds its breakdown voltage, diverting excess current away from the protected circuit.

Detailed Application Field Plans

SMAJ28A-13 finds application in various fields, including: - Telecommunications equipment - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to SMAJ28A-13 include: - P6KE28CA - 1.5KE28A - SMBJ28A

In conclusion, SMAJ28A-13 serves as a crucial component in protecting electronic circuits from transient voltage events, offering effective and reliable voltage suppression capabilities.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem SMAJ28A-13 w rozwiązaniach technicznych

  1. What is the SMAJ28A-13?

    • The SMAJ28A-13 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 the SMAJ28A-13?

    • The maximum peak pulse power of the SMAJ28A-13 is 400 watts.

  3. What is the breakdown voltage of the SMAJ28A-13?

    • The breakdown voltage of the SMAJ28A-13 is 28 volts.

  4. What are the typical applications of the SMAJ28A-13?

    • The SMAJ28A-13 is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage surges.

  5. What is the response time of the SMAJ28A-13?

    • The response time of the SMAJ28A-13 is very fast, typically less than 1 nanosecond.

  6. What is the operating temperature range of the SMAJ28A-13?

    • The SMAJ28A-13 can operate within a temperature range of -55°C to 150°C.

  7. What is the package type of the SMAJ28A-13?

    • The SMAJ28A-13 comes in a DO-214AC (SMA) package.

  8. How does the SMAJ28A-13 provide protection against voltage spikes?

    • The SMAJ28A-13 clamps the voltage to a safe level by diverting excess current away from sensitive components.

  9. Is the SMAJ28A-13 RoHS compliant?

    • Yes, the SMAJ28A-13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. Can the SMAJ28A-13 be used in high-speed data lines?

    • Yes, the SMAJ28A-13 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.