What is the recommended package size of pull up/down resistors?
Ethernet Chips
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Ethernet Chips
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RE: What is the recommended package size of pull up/down resistors?
by Eugeny ·
I used 0603 for 49.9. As I work with W5100 there’s no 10 Ohm resistor, but for W5500 I guess it does not experience much current and serves as just a DC reference for the transformer’s central tap. But to be 100% safe wait for WIZnet engineer response.
RE: RE: What is the recommended package size of pull up/down resistors?
by tyx ·
I did some search and find that many PHY which have similar designs require 1/16W package for 49.9 and 10, if they are used. But 1/10W is used as well in some circumstances. It’s better for wiznet to provide detailed recommendation like other suppliers, especially when it’s more attractive for customers who are not very experienced with such design and demand highly integrated solution.