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1SMB45CAT3
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1SMB45CAT3

Product Overview

Category

The 1SMB45CAT3 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 ability
  • Surface mount design for easy integration
  • High reliability and stability

Package

The 1SMB45CAT3 is typically available in a SMB package.

Essence

This product serves as a crucial component in electronic circuits, ensuring stable voltage levels and protecting against transient surges.

Packaging/Quantity

The 1SMB45CAT3 is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 45V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V
  • Reverse Leakage Current: 5µA

Detailed Pin Configuration

The 1SMB45CAT3 typically has two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Voltage regulation: Maintains a constant voltage across the diode.
  • Transient suppression: Protects the circuit from sudden voltage spikes.
  • Surface mount design: Allows for easy and compact integration into circuit boards.

Advantages and Disadvantages

Advantages

  • High reliability
  • Compact size
  • Effective voltage regulation

Disadvantages

  • Limited power dissipation capacity
  • Sensitive to reverse voltage polarity

Working Principles

The 1SMB45CAT3 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 1SMB45CAT3 finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Transient suppression in communication equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMB45CAT3 include: - 1N4728A - BZX84C45 - MMSZ5245B

In conclusion, the 1SMB45CAT3 is a vital component in electronic circuits, providing voltage regulation and transient suppression capabilities. Its compact size and high reliability make it suitable for diverse applications in the electronics industry.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1SMB45CAT3 i tekniska lösningar

  1. What is 1SMB45CAT3?

    • 1SMB45CAT3 is a surface mount, bidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges.

  2. What is the maximum working voltage of 1SMB45CAT3?

    • The maximum working voltage of 1SMB45CAT3 is 45 volts.

  3. What is the peak pulse power dissipation of 1SMB45CAT3?

    • The peak pulse power dissipation of 1SMB45CAT3 is 600 watts.

  4. What are the typical applications of 1SMB45CAT3?

    • 1SMB45CAT3 is commonly used in applications such as voltage clamping, transient voltage protection, and surge suppression in electronic circuits and systems.

  5. What is the operating temperature range of 1SMB45CAT3?

    • The operating temperature range of 1SMB45CAT3 is typically -55°C to +150°C.

  6. How does 1SMB45CAT3 provide protection against voltage transients?

    • 1SMB45CAT3 diverts excessive current away from sensitive components by shunting it to ground, thereby protecting the circuit from damage due to voltage spikes.

  7. Can 1SMB45CAT3 be used in automotive electronics applications?

    • Yes, 1SMB45CAT3 is suitable for use in automotive electronics to protect against voltage surges and transients.

  8. What is the package type of 1SMB45CAT3?

    • 1SMB45CAT3 is available in a SMB (DO-214AA) surface mount package.

  9. Is 1SMB45CAT3 RoHS compliant?

    • Yes, 1SMB45CAT3 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. Are there any recommended layout considerations when using 1SMB45CAT3 in a circuit?

    • It is recommended to minimize the length and area of the traces connecting 1SMB45CAT3 to the circuit to reduce parasitic inductance and ensure optimal performance.