ON Semiconductor
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1SMB18AT3
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1SMB18AT3

Product Overview

Category

The 1SMB18AT3 belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Low leakage current
  • High reliability
  • Fast response time

Package

The 1SMB18AT3 is available in a DO-214AA (SMB) package.

Essence

This zener diode serves as a crucial component in protecting electronic circuits from voltage spikes and surges.

Packaging/Quantity

The 1SMB18AT3 is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 18V
  • Power Dissipation: 3W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V at 200mA

Detailed Pin Configuration

The 1SMB18AT3 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation
  • Transient voltage suppression
  • Overvoltage protection

Advantages and Disadvantages

Advantages

  • High reliability
  • Fast response time
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1SMB18AT3 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 1SMB18AT3 is widely used in: - Power supplies - Automotive electronics - Consumer electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to the 1SMB18AT3 include: - 1N4744A - BZX85C18 - P6SMB18CA

In conclusion, the 1SMB18AT3 is a vital component in electronic circuits, providing voltage regulation and transient voltage suppression. Its high reliability and fast response time make it suitable for various applications, although its limited power dissipation capability and sensitivity to temperature variations should be considered during design and implementation.

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기술 솔루션에 1SMB18AT3 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is 1SMB18AT3?

    • 1SMB18AT3 is a surface mount, unidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum peak pulse power of 1SMB18AT3?

    • The maximum peak pulse power of 1SMB18AT3 is 600 watts.

  3. What is the breakdown voltage of 1SMB18AT3?

    • The breakdown voltage of 1SMB18AT3 is 18 volts.

  4. What are the typical applications of 1SMB18AT3?

    • Typical applications of 1SMB18AT3 include protection of electronic circuits in telecommunications equipment, computers, and consumer electronics from voltage transients.

  5. What is the operating temperature range of 1SMB18AT3?

    • The operating temperature range of 1SMB18AT3 is -55°C to +150°C.

  6. What is the reverse stand-off voltage of 1SMB18AT3?

    • The reverse stand-off voltage of 1SMB18AT3 is 15.3 volts.

  7. What is the peak pulse current capability of 1SMB18AT3?

    • The peak pulse current capability of 1SMB18AT3 is 19.2A.

  8. Does 1SMB18AT3 comply with RoHS requirements?

    • Yes, 1SMB18AT3 is compliant with RoHS (Restriction of Hazardous Substances) requirements.

  9. What package type does 1SMB18AT3 come in?

    • 1SMB18AT3 comes in a DO-214AA (SMB) package.

  10. Is 1SMB18AT3 suitable for high-speed data lines and Ethernet applications?

    • Yes, 1SMB18AT3 is suitable for protecting high-speed data lines and Ethernet applications from voltage transients.