Taiwan Semiconductor Corporation
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1SMB5943HM4G
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1SMB5943HM4G

Product Overview

Category

The 1SMB5943HM4G 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: 12V
  • Power dissipation: 3W
  • Package type: SMB
  • RoHS compliant

Package

The 1SMB5943HM4G is available in a SMB package.

Packaging/Quantity

Typically, the 1SMB5943HM4G is supplied in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 12V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1SMB5943HM4G has two pins, typically denoted as anode and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The 1SMB5943HM4G provides stable and precise voltage regulation, ensuring that the voltage across the diode remains constant at its specified zener voltage.

Advantages

  • High power dissipation capability
  • RoHS compliant
  • Compact SMB package

Disadvantages

  • Limited voltage regulation range
  • Sensitive to temperature variations

Working Principles

When the voltage across the 1SMB5943HM4G exceeds its zener voltage, it begins to conduct, effectively clamping the voltage to the zener voltage level.

Detailed Application Field Plans

The 1SMB5943HM4G is widely used in various electronic circuits such as voltage regulators, surge suppressors, and overvoltage protection circuits in consumer electronics, automotive systems, and industrial equipment.

Detailed and Complete Alternative Models

  • 1SMB5932BT3G
  • 1SMB5919BT3G
  • 1SMB58AT3G
  • 1SMB58BT3G

In conclusion, the 1SMB5943HM4G is a surface mount silicon zener diode with a zener voltage of 12V and a power dissipation of 3W. It is commonly used for voltage regulation and transient suppression in electronic circuits, offering stable and precise voltage regulation in a compact SMB package.

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Énumérez 10 questions et réponses courantes liées à l'application de 1SMB5943HM4G dans les solutions techniques

Sure, here are 10 common questions and answers related to the application of 1SMB5943HM4G in technical solutions:

  1. What is the voltage rating of 1SMB5943HM4G?

    • The voltage rating of 1SMB5943HM4G is 33V.

  2. What is the maximum peak pulse power dissipation of 1SMB5943HM4G?

    • The maximum peak pulse power dissipation of 1SMB5943HM4G is 600W.

  3. What type of diode is 1SMB5943HM4G?

    • 1SMB5943HM4G is a Zener diode.

  4. What are the typical applications of 1SMB5943HM4G?

    • Typical applications of 1SMB5943HM4G include voltage regulation, surge protection, and transient voltage suppression.

  5. What is the forward voltage drop of 1SMB5943HM4G at a specified current?

    • The forward voltage drop of 1SMB5943HM4G at a specified current is typically around 1V.

  6. What is the maximum reverse leakage current of 1SMB5943HM4G at its rated voltage?

    • The maximum reverse leakage current of 1SMB5943HM4G at its rated voltage is typically very low, in the order of microamps.

  7. Can 1SMB5943HM4G be used for overvoltage protection in automotive electronics?

    • Yes, 1SMB5943HM4G can be used for overvoltage protection in automotive electronics due to its high power dissipation capability.

  8. What is the temperature coefficient of the voltage reference in 1SMB5943HM4G?

    • The temperature coefficient of the voltage reference in 1SMB5943HM4G is typically low, ensuring stable performance over a wide temperature range.

  9. Is 1SMB5943HM4G suitable for use in high-frequency applications?

    • Yes, 1SMB5943HM4G is suitable for use in high-frequency applications due to its fast response time and low capacitance.

  10. What are the key differences between 1SMB5943HM4G and other similar Zener diodes?

    • The key differences include its specific voltage rating, power dissipation, and reverse leakage characteristics, which make it suitable for different technical solutions.

I hope this information helps! Let me know if you need further assistance.