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1SMA5918BT3
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1SMA5918BT3

Product Overview

Category

The 1SMA5918BT3 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 1SMA5918BT3 is typically available in a SOD-123 package.

Essence

This product is essential for stabilizing voltage levels and protecting sensitive electronic components from voltage spikes.

Packaging/Quantity

The 1SMA5918BT3 is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 18V
  • Power Dissipation: 1.5W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V
  • Reverse Leakage Current: 5µA

Detailed Pin Configuration

The 1SMA5918BT3 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Precise voltage regulation
  • Fast response time to transient events
  • Low leakage current
  • Compact surface mount design

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Effective transient suppression
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Higher cost compared to traditional through-hole diodes

Working Principles

The 1SMA5918BT3 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased within its specified voltage range.

Detailed Application Field Plans

The 1SMA5918BT3 is widely used in various applications including: - Voltage regulation in power supplies - Surge protection in communication equipment - Overvoltage protection in automotive electronics - Transient suppression in industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1SMA5918BT3 include: - 1N4744A - BZX84C18 - MMSZ5240B

In conclusion, the 1SMA5918BT3 is a crucial component in electronic circuits, providing reliable voltage regulation and transient suppression. Its compact design and precise functionality make it suitable for a wide range of applications across different industries.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1SMA5918BT3 in technische oplossingen

  1. What is 1SMA5918BT3 and what is its application in technical solutions?

    • 1SMA5918BT3 is a surface mount, bidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges. It is commonly used in various technical solutions to safeguard electronic circuits from damage due to transient events.

  2. What is the maximum peak pulse power of 1SMA5918BT3?

    • The maximum peak pulse power of 1SMA5918BT3 is 400 watts.

  3. What is the breakdown voltage of 1SMA5918BT3?

    • The breakdown voltage of 1SMA5918BT3 is 18 volts.

  4. What are the typical applications of 1SMA5918BT3 in technical solutions?

    • Typical applications of 1SMA5918BT3 include protection of data lines, telecommunications equipment, industrial control systems, and other sensitive electronic devices from transient voltage events.

  5. What is the operating temperature range of 1SMA5918BT3?

    • The operating temperature range of 1SMA5918BT3 is -55°C to +150°C.

  6. Does 1SMA5918BT3 meet industry standards for surge protection?

    • Yes, 1SMA5918BT3 complies with industry standards for surge protection, making it suitable for use in various technical solutions requiring robust transient voltage suppression.

  7. Can 1SMA5918BT3 be used in automotive applications?

    • Yes, 1SMA5918BT3 is suitable for automotive applications where protection against voltage transients is required.

  8. What is the package type of 1SMA5918BT3?

    • 1SMA5918BT3 is available in a SMA (DO-214AC) package, which is a popular surface mount package for diodes.

  9. Is 1SMA5918BT3 RoHS compliant?

    • Yes, 1SMA5918BT3 is RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic components.

  10. Are there any recommended layout considerations when using 1SMA5918BT3 in technical solutions?

    • Yes, it is recommended to follow the manufacturer's guidelines for PCB layout and placement of 1SMA5918BT3 to ensure optimal performance in protecting electronic circuits from transient voltage events.