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What size components should I use with ATF-55143

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skatefast08

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If you intend to solder them by hand, 0402 may be a bit small.0603 will also be fine for 2.4GHz.
 

BigBoss said:
If you intend to solder them by hand, 0402 may be a bit small.0603 will also be fine for 2.4GHz.
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does 0402 and 0603 package refer to imperial or metric? if you search in google "0402 component size," it will direct you to a chart with imperial and metric columns from Wikipedia. I don't understand the difference and its confusing, because all of the numbers look alike and its just happens to be a coincidence?
 
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0402 refers to the approximate size of the component 0.040 x 0.060". Same for 0603.
 

It could be potentially be either:

Metric 0402/Imperial 01005 is 0.4 mm × 0.2 mm or 0.016 in × 0.008 in
Metric 0603/Imperial 0201 is 0.6 mm × 0.3 mm or 0.02 in × 0.01 in
Metric 1005/Imperial 0402 is 1.0 mm × 0.5 mm or 0.04 in × 0.02 in
Metric 1608/Imperial 0603 is 1.6 mm × 0.8 mm or 0.06 in × 0.03 in

https://en.wikipedia.org/wiki/Surface-mount_technology
 
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