Taiwan Semiconductor Corporation
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1SMB5943 R5G
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1SMB5943 R5G

Product Overview

Category

The 1SMB5943 R5G 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

  • Zener voltage: 15V
  • Power dissipation: 3W
  • Package type: SMB
  • RoHS compliant

Package

The 1SMB5943 R5G is typically available in a SMB package, which is designed for optimized board space utilization.

Essence

This product serves as a crucial component in protecting sensitive electronic devices from voltage spikes and regulating voltage levels within circuits.

Packaging/Quantity

The 1SMB5943 R5G is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 15V
  • Power dissipation: 3W
  • Forward voltage: 1.5V
  • Reverse current: 5μA
  • Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMB5943 R5G typically features two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

  • Voltage regulation: The zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Transient suppression: It effectively suppresses voltage spikes and transients, safeguarding connected components.

Advantages

  • Compact size: The SMB package allows for space-efficient integration into circuit designs.
  • High power dissipation: Capable of handling relatively high power levels, enhancing its versatility in various applications.

Disadvantages

  • Limited voltage range: The fixed zener voltage may not be suitable for applications requiring variable voltage regulation.
  • Thermal considerations: Heat dissipation may need to be carefully managed in high-power applications.

Working Principles

The 1SMB5943 R5G operates based on the principle of the zener effect, where it maintains a constant voltage drop across its terminals by allowing controlled breakdown under reverse bias conditions.

Detailed Application Field Plans

This zener diode finds extensive use in: - Voltage regulation in power supplies - Surge protection in communication equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

  • 1SMB5939BT3G
  • 1SMB5932BT3G
  • 1SMB5930BT3G

In conclusion, the 1SMB5943 R5G zener diode offers reliable voltage regulation and transient suppression capabilities, making it a valuable component in various electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1SMB5943 R5G i tekniska lösningar

  1. What is the 1SMB5943 R5G?

    • The 1SMB5943 R5G is a 3W surface mount silicon zener diode that provides voltage regulation in various technical applications.

  2. What is the maximum power dissipation of 1SMB5943 R5G?

    • The maximum power dissipation of 1SMB5943 R5G is 3 watts.

  3. What is the operating temperature range for 1SMB5943 R5G?

    • The operating temperature range for 1SMB5943 R5G is -65°C to +150°C.

  4. What is the reverse standoff voltage of 1SMB5943 R5G?

    • The reverse standoff voltage of 1SMB5943 R5G is 36V.

  5. What are the typical applications of 1SMB5943 R5G?

    • Typical applications of 1SMB5943 R5G include voltage regulation, surge suppression, and protection in electronic circuits.

  6. What is the package type of 1SMB5943 R5G?

    • The package type of 1SMB5943 R5G is SMB (DO-214AA).

  7. What is the forward voltage drop of 1SMB5943 R5G?

    • The forward voltage drop of 1SMB5943 R5G is typically 1.5V at 200mA.

  8. What are the key features of 1SMB5943 R5G?

    • The key features of 1SMB5943 R5G include high reliability, low leakage, and fast response time.

  9. What are the recommended soldering conditions for 1SMB5943 R5G?

    • The recommended soldering conditions for 1SMB5943 R5G include a soldering temperature of 260°C for 10 seconds.

  10. What are the potential failure modes of 1SMB5943 R5G?

    • Potential failure modes of 1SMB5943 R5G may include excessive power dissipation, voltage transients, and thermal stress.