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1SMB43CAT3
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1SMB43CAT3

Product Overview

Category

The 1SMB43CAT3 belongs to the category of surface mount silicon zener diodes.

Use

These diodes are primarily used for voltage regulation and transient suppression in electronic circuits.

Characteristics

  • Voltage Regulation: The 1SMB43CAT3 is designed to regulate voltage by allowing current to flow in reverse when a certain voltage threshold is reached.
  • Transient Suppression: It effectively suppresses transient overvoltage spikes, protecting sensitive electronic components.

Package

The 1SMB43CAT3 is typically available in a surface mount package.

Essence

The essence of the 1SMB43CAT3 lies in its ability to provide reliable voltage regulation and transient suppression in compact electronic devices.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage Range: 6.8V to 200V
  • Power Dissipation: 3W
  • Operating Temperature: -65°C to +175°C
  • Package Type: SMB

Detailed Pin Configuration

The 1SMB43CAT3 typically features two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Zener Voltage Regulation: The diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Transient Suppression: It efficiently clamps transient overvoltage spikes to protect downstream components.

Advantages

  • Compact size
  • High power dissipation capability
  • Wide operating temperature range

Disadvantages

  • Sensitive to excessive current and voltage levels
  • Limited voltage regulation range compared to other diode types

Working Principles

The 1SMB43CAT3 operates based on the principle of the Zener effect, where it allows current to flow in reverse when the voltage across its terminals exceeds the specified Zener voltage.

Detailed Application Field Plans

Voltage Regulation

The diode can be used in voltage regulator circuits for stable power supply outputs in various electronic devices.

Transient Suppression

It is employed in surge protection circuits to safeguard sensitive components from voltage spikes induced by lightning or switching events.

Detailed and Complete Alternative Models

  • 1SMB5932BT3G
  • 1SMB5935BT3G
  • 1SMB5937BT3G

These alternative models offer similar voltage regulation and transient suppression capabilities, catering to diverse application requirements.

In conclusion, the 1SMB43CAT3 surface mount silicon zener diode provides efficient voltage regulation and transient suppression in electronic circuits, making it a valuable component in various applications.

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10個與1SMB43CAT3在技術方案中應用相關的常見問題與解答

Sure, here are 10 common questions and answers related to the application of 1SMB43CAT3 in technical solutions:

  1. What is the maximum reverse stand-off voltage of 1SMB43CAT3?

    • The maximum reverse stand-off voltage of 1SMB43CAT3 is 36.8V.

  2. What is the peak pulse power dissipation of 1SMB43CAT3?

    • The peak pulse power dissipation of 1SMB43CAT3 is 600W.

  3. What is the typical junction capacitance of 1SMB43CAT3?

    • The typical junction capacitance of 1SMB43CAT3 is 150pF.

  4. What is the forward voltage drop of 1SMB43CAT3 at a specified current?

    • The forward voltage drop of 1SMB43CAT3 at 10A is typically 3.5V.

  5. What is the operating temperature range of 1SMB43CAT3?

    • The operating temperature range of 1SMB43CAT3 is -55°C to +150°C.

  6. Can 1SMB43CAT3 be used for overvoltage protection in power supply circuits?

    • Yes, 1SMB43CAT3 can be used for overvoltage protection in power supply circuits due to its high power dissipation capability.

  7. Is 1SMB43CAT3 suitable for transient voltage suppression in automotive electronics?

    • Yes, 1SMB43CAT3 is suitable for transient voltage suppression in automotive electronics due to its robustness and high surge capability.

  8. What is the response time of 1SMB43CAT3 to transient voltage spikes?

    • The response time of 1SMB43CAT3 to transient voltage spikes is very fast, typically in the nanosecond range.

  9. Can 1SMB43CAT3 be used in conjunction with TVS diode arrays for enhanced protection?

    • Yes, 1SMB43CAT3 can be used in conjunction with TVS diode arrays to provide enhanced protection against transient overvoltages.

  10. Are there any specific layout considerations when using 1SMB43CAT3 in a PCB design?

    • It is recommended to keep the traces short and minimize the loop area when incorporating 1SMB43CAT3 in a PCB design to optimize its performance.

I hope these questions and answers are helpful for your technical solutions! Let me know if you need further assistance.