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1SMB5943BT3
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1SMB5943BT3

Product Overview

Category

The 1SMB5943BT3 belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Low leakage current
  • High reliability
  • Fast response time
  • Small package size

Package

The 1SMB5943BT3 is available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide precise voltage regulation and protection against voltage transients.

Packaging/Quantity

The 1SMB5943BT3 is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 12V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V at 200mA

Detailed Pin Configuration

The 1SMB5943BT3 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation
  • Transient voltage suppression
  • Overvoltage protection

Advantages

  • Small form factor
  • High reliability
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Fixed zener voltage

Working Principles

The 1SMB5943BT3 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

This product is commonly used in: - Voltage regulators - Surge protectors - Overvoltage clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1SMB5943BT3 include: - 1N4742A - BZX85C12 - P6SMB12CA

In conclusion, the 1SMB5943BT3 is a surface mount silicon zener diode that offers precise voltage regulation and transient voltage suppression. Its small form factor and high reliability make it suitable for various electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1SMB5943BT3 i tekniska lösningar

  1. What is 1SMB5943BT3?

    • 1SMB5943BT3 is a surface mount, 3W, 6.8V Zener diode commonly used for voltage regulation and transient voltage suppression in electronic circuits.

  2. What are the key features of 1SMB5943BT3?

    • The key features include a power dissipation of 3W, a voltage tolerance of ±5%, and a compact SMB package.

  3. What are the typical applications of 1SMB5943BT3?

    • Typical applications include voltage clamping, surge suppression, and transient voltage protection in various electronic devices and systems.

  4. What is the maximum forward voltage of 1SMB5943BT3?

    • The maximum forward voltage is 1.5V at 200mA.

  5. What is the reverse standoff voltage of 1SMB5943BT3?

    • The reverse standoff voltage is 6.8V.

  6. What is the operating temperature range of 1SMB5943BT3?

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

  7. How does 1SMB5943BT3 provide transient voltage suppression?

    • 1SMB5943BT3 conducts when the voltage across it exceeds the specified breakdown voltage, diverting excess current away from sensitive components.

  8. Can 1SMB5943BT3 be used for overvoltage protection in automotive electronics?

    • Yes, 1SMB5943BT3 is suitable for overvoltage protection in automotive electronics due to its robust construction and performance characteristics.

  9. Is 1SMB5943BT3 RoHS compliant?

    • Yes, 1SMB5943BT3 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are some design considerations when using 1SMB5943BT3 in technical solutions?

    • Designers should consider the maximum power dissipation, thermal management, and proper PCB layout to ensure optimal performance and reliability.