Surface Mount Devices and Technology Quiz

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Questions and Answers

What is one of the disadvantages of SMT?

  • SMT is not compatible with flexible PCB
  • SMD solder connections are not affected by thermal cycling
  • Increased complexity leads to higher heat generation (correct)
  • SMT is not suitable for small capacitors

Where are SMD sensors commonly used?

  • In transformers and heat-sink power semiconductors
  • In large capacitors and fuses
  • In vehicles and LED screens
  • In smart home controls for humidity and air quality measurement (correct)

What is a key advantage of SMD LEDs?

  • They are not used in industrial lighting systems
  • They are used in domestic and industrial lighting systems (correct)
  • They are less compact than wired elements
  • They are not suitable for digital memory circuits

In what applications are SMDs commonly used?

<p>In drones and automation circuits (D)</p> Signup and view all the answers

Why are SMDs considered advantageous for electric vehicles power plugs and chargers?

<p>They are more compact than wired elements (D)</p> Signup and view all the answers

What is the main advantage of surface-mount technology (SMT) over through-hole technology (THT)?

<p>Ability to use both sides of the circuit board (A)</p> Signup and view all the answers

What is the primary purpose of using surface-mount devices (SMD)?

<p>Reducing the size of the components (A)</p> Signup and view all the answers

What technology was developed to minimize manufacturing cost and make efficient use of PCB space?

<p>Surface-Mount Technology (SMT) (D)</p> Signup and view all the answers

How does surface-mount technology (SMT) contribute to better mechanical performance under shock and vibration conditions?

<p>By using solder paste for mounting components (A)</p> Signup and view all the answers

What is one of the advantages of surface-mount technology (SMT) in terms of manufacturing cost?

<p>Automatic accurate placement of components on the circuit board (C)</p> Signup and view all the answers

Flashcards

SMT Disadvantage?

More complex design leading to more heat.

Where are SMD sensors used?

Smart thermostats, air quality monitors.

Advantage of SMD LEDs?

Used in homes and for industry lighting.

SMDs in action?

Used in drones, robotics, and automation circuits.

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SMDs for EVs?

Compact and efficient power transfer in charging systems.

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SMT Advantage?

Components can be placed on both sides.

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SMD Purpose?

Reducing the physical space required for components.

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What is SMT?

A tech to lower costs and use PCB space efficiently.

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SMT Mechanical Performance?

Components are attached strongly, improving reliability.

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SMT Cost Advantage?

Components placed accurately by machines.

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