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LTC9101 DC3159A-A 1/5W and 1/10W resistance

Product Number: LTC9101-1

Hi,

In the LTC9101-1 EVK DC3159A-A circuits, the data isolator is T1 7490100143.

The peripheral resistors are 49.9, 10Meg, and 100K ohm. Just wondering the reason you use high power tolerance such as 1/5W and 1/10W resistor ?

Can we use normal resistors like 0603@1/10W 

and LTC9101-1 pin 17/18 SDAIN/SCL R10/R17, why use 1/5W resistor ?

Can we use 0603@1/10W 

thanks.