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1SMB28AT3
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1SMB28AT3

Product Overview

Category:

The 1SMB28AT3 belongs to the category of surface mount silicon zener diodes.

Use:

It is commonly used for voltage regulation and transient suppression in electronic circuits.

Characteristics:

  • Low leakage current
  • High reliability
  • Fast response time

Package:

The 1SMB28AT3 is available in a DO-214AA (SMB) package.

Essence:

This zener diode serves as a crucial component in protecting electronic circuits from voltage spikes and regulating voltage levels.

Packaging/Quantity:

The 1SMB28AT3 is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 28V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V
  • Reverse Leakage Current: 0.1µA

Detailed Pin Configuration

The 1SMB28AT3 has two pins, anode and cathode, which are clearly labeled on the device.

Functional Features

  • Voltage regulation
  • Transient suppression
  • Overvoltage protection

Advantages and Disadvantages

Advantages

  • High reliability
  • Fast response time
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1SMB28AT3 operates based on the principle of the zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1SMB28AT3 is widely used in various applications including: - Voltage regulation in power supplies - Surge protection in telecommunications equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMB28AT3 include: - 1N4746A - BZX55C28 - P6SMB28A

In conclusion, the 1SMB28AT3 is a vital component in electronic circuits, providing voltage regulation and transient suppression. Its high reliability and fast response time make it suitable for a wide range of applications, despite its limitations in power dissipation and sensitivity to temperature changes. When selecting a zener diode, engineers can consider alternative models such as the 1N4746A, BZX55C28, and P6SMB28A to meet specific design requirements.

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تکنیکی حل میں 1SMB28AT3 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is 1SMB28AT3?

    • 1SMB28AT3 is a surface mount, unidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges.

  2. What is the maximum peak pulse power of 1SMB28AT3?

    • The maximum peak pulse power of 1SMB28AT3 is 600 watts.

  3. What is the breakdown voltage of 1SMB28AT3?

    • The breakdown voltage of 1SMB28AT3 is 31.1V.

  4. What are the typical applications of 1SMB28AT3?

    • Typical applications of 1SMB28AT3 include protection of electronic circuits in telecommunications equipment, industrial controls, consumer electronics, and automotive systems.

  5. What is the operating temperature range of 1SMB28AT3?

    • The operating temperature range of 1SMB28AT3 is -55°C to +150°C.

  6. What is the reverse standoff voltage of 1SMB28AT3?

    • The reverse standoff voltage of 1SMB28AT3 is 28V.

  7. What package type does 1SMB28AT3 come in?

    • 1SMB28AT3 comes in a DO-214AA (SMB) package.

  8. How does 1SMB28AT3 provide overvoltage protection?

    • 1SMB28AT3 provides overvoltage protection by diverting excessive current away from sensitive components when a transient voltage event occurs.

  9. Is 1SMB28AT3 RoHS compliant?

    • Yes, 1SMB28AT3 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. What are the key features of 1SMB28AT3?

    • The key features of 1SMB28AT3 include low clamping voltage, fast response time, and high surge capability, making it suitable for a wide range of transient voltage suppression applications.