Taiwan Semiconductor Corporation
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1SMB5942 M4G
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1SMB5942 M4G

Product Overview

Category

The 1SMB5942 M4G belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Zener voltage: 15V
  • Power dissipation: 3W
  • Package: SMB (DO-214AA)
  • RoHS compliant

Packaging/Quantity

The 1SMB5942 M4G is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 15V
  • Power Dissipation: 3W
  • Forward Voltage: 1.5V
  • Reverse Leakage Current: 5µA
  • Maximum Surge Current: 80A

Detailed Pin Configuration

The 1SMB5942 M4G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Fast response time
  • High surge capability
  • Low leakage current

Advantages

  • Small form factor
  • RoHS compliant
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation compared to larger diodes
  • Sensitive to overvoltage conditions

Working Principles

The 1SMB5942 M4G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, surge suppressors, and transient voltage protection in various electronic devices such as power supplies, automotive electronics, and industrial equipment.

Detailed and Complete Alternative Models

Some alternative models to the 1SMB5942 M4G include: - 1N4744A - BZX85C15 - P6SMB15CA

In conclusion, the 1SMB5942 M4G is a surface mount silicon zener diode with a precise voltage regulation capability, making it suitable for various electronic applications requiring voltage clamping and transient suppression.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1SMB5942 M4G v technických řešeních

  1. What is the 1SMB5942 M4G?

    • The 1SMB5942 M4G is a surface mount, high-power, transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power dissipation of the 1SMB5942 M4G?

    • The maximum peak pulse power dissipation of the 1SMB5942 M4G is 600 watts.

  3. What is the breakdown voltage of the 1SMB5942 M4G?

    • The breakdown voltage of the 1SMB5942 M4G is 68 volts.

  4. What are the typical applications for the 1SMB5942 M4G?

    • Typical applications for the 1SMB5942 M4G include protection of telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics from voltage surges.

  5. What is the operating temperature range of the 1SMB5942 M4G?

    • The operating temperature range of the 1SMB5942 M4G is -55°C to +150°C.

  6. What is the reverse stand-off voltage of the 1SMB5942 M4G?

    • The reverse stand-off voltage of the 1SMB5942 M4G is 58.1 volts.

  7. What is the clamping voltage of the 1SMB5942 M4G?

    • The clamping voltage of the 1SMB5942 M4G is 93.6 volts at 10A.

  8. What package type does the 1SMB5942 M4G come in?

    • The 1SMB5942 M4G comes in a DO-214AA (SMB) package.

  9. What are the key features of the 1SMB5942 M4G?

    • Key features of the 1SMB5942 M4G include low incremental surge resistance, fast response time, and high reliability.

  10. How should the 1SMB5942 M4G be mounted on a PCB?

    • The 1SMB5942 M4G should be mounted with the cathode side facing the PCB and using appropriate soldering techniques to ensure good electrical and thermal connections.