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1SMB5939BT3
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1SMB5939BT3

Product Overview

Category

The 1SMB5939BT3 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 regulation
  • Transient suppression
  • Surface mount design
  • High reliability

Package

The 1SMB5939BT3 is typically available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide precise voltage regulation and protect electronic circuits from voltage spikes.

Packaging/Quantity

The 1SMB5939BT3 is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 12V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V at 200mA
  • Reverse Leakage Current: 5µA

Detailed Pin Configuration

The 1SMB5939BT3 has two pins, anode, and cathode, which are clearly marked on the device.

Functional Features

  • Precise voltage regulation
  • Fast response to transient events
  • Low reverse leakage current
  • High power dissipation capability

Advantages

  • Small form factor
  • High reliability
  • Wide operating temperature range
  • Suitable for high-density circuit designs

Disadvantages

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

Working Principles

The 1SMB5939BT3 operates based on the principle of the zener effect, where it maintains a constant voltage across its terminals when operated within its specified voltage range. It also rapidly conducts when subjected to transient voltage spikes, protecting downstream components.

Detailed Application Field Plans

This product is widely used in various electronic devices such as power supplies, communication equipment, and automotive electronics for voltage regulation and transient suppression.

Detailed and Complete Alternative Models

  • 1SMB5920BT3
  • 1SMB5913BT3
  • 1SMB5945BT3
  • 1SMB5956BT3

In conclusion, the 1SMB5939BT3 is a reliable surface mount silicon zener diode that provides precise voltage regulation and transient suppression, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1SMB5939BT3 v technických řešeních

  1. What is 1SMB5939BT3?

    • 1SMB5939BT3 is a surface mount, bidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges.

  2. What is the voltage rating of 1SMB5939BT3?

    • The voltage rating of 1SMB5939BT3 is 36 volts.

  3. What is the peak pulse power of 1SMB5939BT3?

    • The peak pulse power of 1SMB5939BT3 is 600 watts.

  4. What are the typical applications of 1SMB5939BT3?

    • Typical applications of 1SMB5939BT3 include protection of electronic circuits in telecommunications equipment, industrial controls, consumer electronics, and automotive systems.

  5. What is the operating temperature range of 1SMB5939BT3?

    • The operating temperature range of 1SMB5939BT3 is -55°C to +150°C.

  6. What is the package type of 1SMB5939BT3?

    • 1SMB5939BT3 comes in a DO-214AA (SMB) package.

  7. What is the clamping voltage of 1SMB5939BT3?

    • The clamping voltage of 1SMB5939BT3 is 58.1 volts at 10A.

  8. How does 1SMB5939BT3 provide protection to electronic circuits?

    • 1SMB5939BT3 diverts excessive current away from sensitive components during transient voltage events, thereby protecting them from damage.

  9. Can 1SMB5939BT3 be used in high-speed data line protection?

    • Yes, 1SMB5939BT3 can be used for high-speed data line protection due to its fast response time and low capacitance.

  10. Is 1SMB5939BT3 RoHS compliant?

    • Yes, 1SMB5939BT3 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.