ECET 3

4

Spring 2020

ECET 296

BONUS TAP

Student Name	Student ID

S	Topic	Maximum Points	Earned Points
1	Component Dimensions 1	30%
2	Component Dimensions 2	30%
3	Comparator 1	40%
	Total	100%
	Bonus	10%

1. Component Dimensions 1 (30 points, 15 points each)

In the picture bellow you can find datasheet of ceramic capacitor.

a) Hole and pad dimensions?

Hole =

Pad =

b) Dimensions needed to design footprint?

2. Component Dimensions 2 (30 points, 10 points each)

In the picture bellow you can find screenshot form the datasheet of the transistor.

a) Hole and pad dimensions?

Hole =

Pad =

b) Dimensions needed to design footprint?

c) Do we need circle and square pads for this component?

3. Question (40 points, 10 points each)

a) What constraints should be considered when designing the hole size of the through-hole components?

b) Why we cannot design the Footprint if the pads and footprint files are NOT in the same folder?

c) What is solder mask?

d) What is the difference between a plated through hole and a non-plated one?

4. Bonus (10points/ 5points each)

Click on the link bellow. Find information about the component.

https://media.digikey.com/pdf/Data%20Sheets/Phoenix%20Contact%20PDFs/1935161.pdf

In case you can’t open the link, use the Digi key part number.

Digi-Key Part Number 277-1667-ND

a) Size of hole and pad of components:

Hole =

Pad =

b) What would be the length of the component, if the component has 3 legs instead of 2 legs.