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1SMB28CAT3
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1SMB28CAT3

Product Overview

Category

The 1SMB28CAT3 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

  • Voltage regulation capability
  • Transient suppression
  • Surface mount design
  • High reliability

Package

The 1SMB28CAT3 is typically available in a DO-214AA (SMB) package.

Essence

The essence of the 1SMB28CAT3 lies in its ability to regulate voltage and suppress transients in electronic circuits, ensuring stable operation.

Packaging/Quantity

The 1SMB28CAT3 is usually packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 28V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1SMB28CAT3 features a standard SMB package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Voltage regulation: The 1SMB28CAT3 maintains a constant voltage across its terminals, providing stability to the circuit.
  • Transient suppression: It effectively suppresses transient voltage spikes, protecting sensitive components in the circuit.

Advantages and Disadvantages

Advantages

  • Compact surface mount design
  • High reliability and performance
  • Effective voltage regulation and transient suppression

Disadvantages

  • Limited power dissipation capability compared to larger diode packages
  • Sensitive to excessive current and voltage levels

Working Principles

The 1SMB28CAT3 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when operated in the reverse breakdown region.

Detailed Application Field Plans

The 1SMB28CAT3 finds applications in various fields, including: - Power supply units - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMB28CAT3 include: - 1N4728A: A through-hole zener diode with similar voltage rating - BZT52C28: SMD zener diode with comparable characteristics

In conclusion, the 1SMB28CAT3 is a reliable surface mount silicon zener diode that offers effective voltage regulation and transient suppression, making it suitable for diverse electronic applications.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui 1SMB28CAT3 în soluțiile tehnice

  1. What is 1SMB28CAT3?

    • 1SMB28CAT3 is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum working voltage of 1SMB28CAT3?

    • The maximum working voltage of 1SMB28CAT3 is 28 volts.

  3. What is the peak pulse power dissipation of 1SMB28CAT3?

    • The peak pulse power dissipation of 1SMB28CAT3 is typically 600 watts.

  4. What are the typical applications of 1SMB28CAT3?

    • 1SMB28CAT3 is commonly used in various electronic devices and systems such as power supplies, automotive electronics, telecommunications equipment, and industrial controls to protect against voltage transients.

  5. What is the operating temperature range of 1SMB28CAT3?

    • The operating temperature range of 1SMB28CAT3 is typically -55°C to +150°C.

  6. How does 1SMB28CAT3 provide overvoltage protection?

    • 1SMB28CAT3 suppresses voltage transients by diverting excess current away from sensitive components, thereby protecting them from damage.

  7. Is 1SMB28CAT3 RoHS compliant?

    • Yes, 1SMB28CAT3 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of 1SMB28CAT3?

    • 1SMB28CAT3 comes in a SMB (DO-214AA) package, which is a surface mount package.

  9. What are the key specifications to consider when using 1SMB28CAT3 in a design?

    • Key specifications to consider include breakdown voltage, clamping voltage, peak pulse current, and response time.

  10. Can 1SMB28CAT3 be used for ESD protection?

    • While 1SMB28CAT3 is primarily designed for transient voltage suppression, it can also provide some level of electrostatic discharge (ESD) protection in certain applications. However, dedicated ESD protection devices may be more suitable for specific ESD protection requirements.