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1SMB5940BT3
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1SMB5940BT3

Product Overview

Category

The 1SMB5940BT3 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: 6.2V
  • Power Dissipation: 3W
  • Package: SMB
  • Zener Impedance: 40Ω
  • Operating Temperature: -65°C to +150°C

Packaging/Quantity

The 1SMB5940BT3 is typically available in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 6.2V
  • Voltage Tolerance: ±5%
  • Reverse Leakage Current: 5μA
  • Maximum Surge Current: 50A
  • Forward Voltage: 1.5V
  • Reverse Voltage: 5V

Detailed Pin Configuration

The 1SMB5940BT3 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage Regulation: Provides a stable output voltage of 6.2V.
  • Transient Suppression: Protects circuits from voltage spikes and transients.

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • Compact SMB package
  • Wide operating temperature range

Disadvantages

  • Limited voltage options
  • Higher zener impedance compared to some alternatives

Working Principles

The 1SMB5940BT3 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

The 1SMB5940BT3 is widely used in: - 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 1SMB5940BT3 include: - 1N4728A - BZX84C6V2 - MMSZ5232B

In conclusion, the 1SMB5940BT3 is a surface mount silicon zener diode with a specific voltage rating of 6.2V, designed for voltage regulation and transient suppression in various electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1SMB5940BT3 en soluciones técnicas

  1. What is 1SMB5940BT3?

    • 1SMB5940BT3 is a surface mount, 3W, 5.8V Zener diode designed for use in voltage regulation and transient protection applications.

  2. What are the key features of 1SMB5940BT3?

    • 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 1SMB5940BT3?

    • Typical applications include voltage regulation in power supplies, transient voltage suppression in electronic circuits, and overvoltage protection in various systems.

  4. What is the maximum forward voltage of 1SMB5940BT3?

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

  5. What is the reverse standoff voltage of 1SMB5940BT3?

    • The reverse standoff voltage is 5.8V.

  6. What is the operating temperature range of 1SMB5940BT3?

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

  7. How does 1SMB5940BT3 provide transient voltage suppression?

    • 1SMB5940BT3 clamps the voltage during transient events, diverting excess current away from sensitive components, thus protecting them from damage.

  8. Can 1SMB5940BT3 be used in automotive applications?

    • Yes, 1SMB5940BT3 is suitable for automotive electronics where transient voltage protection is required.

  9. What is the thermal resistance of 1SMB5940BT3?

    • The thermal resistance is typically 50°C/W.

  10. Is 1SMB5940BT3 RoHS compliant?

    • Yes, 1SMB5940BT3 is compliant with the Restriction of Hazardous Substances (RoHS) directive.