Understanding U9 and U7 Components


what is u9 and u7

Table


DesignatorComponent Link
U9RVT1E471M1010 470UF 25V – This SMD part is an aluminum electrolytic capacitor rated at 470µF 25V.
U7RVT1A220M0405 22UF 10V – This SMD part is an aluminum electrolytic capacitor rated at 22µF 10V (U7 is paired with U8).
what resistor is r1

Table


DesignatorComponent Link
R10603 ±1% 5K1 – This is a chip resistor in the 0603 package with a nominal resistance of 5K1 (approximately 5.1 kΩ) and a tolerance of ±1%.
Main IC Selection
Add decoupling capacitors
Check missing components

3.3
3.3
J8
J10
J5
J1
H4
H1
H2
3.3
H3

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