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SMAJ28
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SMAJ28 Product Overview

Introduction

SMAJ28 is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMAJ28 diode is specifically designed to provide protection against transient overvoltage conditions.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against transient overvoltage conditions
  • Characteristics: Fast response time, low clamping voltage
  • Package: SMA (DO-214AC)
  • Essence: Safeguarding sensitive electronic components
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Part Number: SMAJ28
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 28V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ28 diode has a standard SMA (DO-214AC) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Provides rapid response to transient overvoltage events, diverting excess current away from sensitive components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, minimizing potential damage.

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage spikes
  • Fast response time
  • Compact form factor

Disadvantages

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

Working Principles

When a transient overvoltage event occurs, the SMAJ28 diode rapidly conducts excess current, diverting it away from the sensitive components. This action effectively limits the voltage across the protected circuit, preventing damage due to voltage spikes.

Detailed Application Field Plans

The SMAJ28 diode finds extensive use 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: P6SMB28CA

    • Category: TVS Diode
    • Breakdown Voltage: 28V
    • Package: SMB (DO-214AA)

  • Alternative Model 2: 1.5KE28A

    • Category: TVS Diode
    • Breakdown Voltage: 28V
    • Package: DO-201AD

In conclusion, the SMAJ28 diode serves as a crucial component in safeguarding electronic circuits from transient overvoltage conditions, offering fast response and effective protection. Its compact form factor and reliable performance make it a popular choice across various industries.

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技術ソリューションにおける SMAJ28 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure, here are 10 common questions and answers related to the application of SMAJ28 in technical solutions:

  1. What is SMAJ28?

    • SMAJ28 is a type of surface mount transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power dissipation of SMAJ28?

    • The maximum peak pulse power dissipation of SMAJ28 is typically 400 watts.

  3. What is the breakdown voltage of SMAJ28?

    • The breakdown voltage of SMAJ28 is 28 volts.

  4. How does SMAJ28 protect electronic circuits?

    • SMAJ28 clamps the voltage across the circuit it is protecting by diverting excess current away from sensitive components, thus preventing damage from voltage spikes.

  5. What are the typical applications of SMAJ28?

    • SMAJ28 is commonly used in various electronic devices and systems such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  6. What is the response time of SMAJ28?

    • The response time of SMAJ28 is very fast, typically responding to transient events within nanoseconds.

  7. Can SMAJ28 be used for overvoltage protection in data communication lines?

    • Yes, SMAJ28 is suitable for providing overvoltage protection in data communication lines, such as Ethernet, USB, and serial communication interfaces.

  8. Is SMAJ28 RoHS compliant?

    • Yes, SMAJ28 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive for environmentally friendly manufacturing.

  9. What is the operating temperature range of SMAJ28?

    • The operating temperature range of SMAJ28 is typically -55°C to +150°C, making it suitable for a wide range of environments.

  10. Can multiple SMAJ28 diodes be connected in series or parallel for higher voltage or current handling?

    • Yes, multiple SMAJ28 diodes can be connected in series to handle higher voltages or in parallel to handle higher currents, but proper consideration should be given to ensure balanced current sharing and voltage distribution.

I hope these questions and answers provide a good overview of the application of SMAJ28 in technical solutions. Let me know if you need further information!