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Through Hole Technology vs Surface Mount Technology

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Questions and Answers

What is the primary function of heat sinks in a printed circuit board?

To provide power to components on the board
To dissipate heat from components (correct)
To attach components to the board
To connect the circuits of the board to a special plug

What is the base material of a printed circuit board referred to as?

Cladding
Substrate or laminate (correct)
Metal foil
Conductor

What is the purpose of terminals or pads on a printed circuit board?

To accommodate the component leads (correct)
To provide power to components on the board
To connect the circuits of the board to a special plug
To dissipate heat from components

What is the typical material used to make the metal foil in a printed circuit board?

Copper (A) Signup and view all the answers

What is the characteristic of Through Hole Technology components?

Their legs occupy space on both sides of the board (C) Signup and view all the answers

What is the purpose of the photoresist in producing a printed circuit board?

To chemically change the solubility of the copper foil (D) Signup and view all the answers

What is the process called when a circuit pattern is placed on the copper foil using light of a specific wavelength?

Photographic method (B) Signup and view all the answers

Why are connectors for cables and similar devices usually Through Hole Technology?

Because they can withstand mechanical stress (D) Signup and view all the answers

What is an advantage of Surface Mounted Components over Through Hole Technology components?

They are much smaller and make the PCB more dense (D) Signup and view all the answers

Why are Surface Mounted Components cheaper than Through Hole Technology components?

The reason is not specified in the text (B) Signup and view all the answers

What makes it difficult to solder a Surface Mounted Component manually?

Because the connection points and component legs are very small (B) Signup and view all the answers

What is true about the mounts of Surface Mounted Components?

They are mounted on both sides of the PCB directly underneath each other (C) Signup and view all the answers

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