Stupid resistor question

bjlevine · Post by **bjlevine** » 23 Aug 2010, 18:18

I'm building a board that requires 27k resistors. I have 1% 26.7k resistors and 5% 27k resistors. Which would work better? Seems to me that the range on the 26.7k's would be 26.43 - 26.97 while the 27k's would be 25.65 - 28.35.

My money is on coin flip, but I'd appreciate your input.

Steven_M · Post by **Steven_M** » 23 Aug 2010, 18:25

bjlevine wrote:I'm building a board that requires 27k resistors. I have 1% 26.7k resistors and 5% 27k resistors. Which would work better? Seems to me that the range on the 26.7k's would be 26.43 - 26.97 while the 27k's would be 25.65 - 28.35.

My money is on coin flip, but I'd appreciate your input.

Why dont you measure them and see what they come out to?

bjlevine · Post by **bjlevine** » 23 Aug 2010, 19:02

See...that's why I post these things before I do something stupid. Good suggestion.

Steven_M · Post by **Steven_M** » 23 Aug 2010, 19:41

bjlevine wrote:See...that's why I post these things before I do something stupid. Good suggestion.

I've been in the same boat on many occasions.

squrl · Post by **squrl** » 24 Aug 2010, 11:14

bjlevine wrote:I'm building a board that requires 27k resistors. I have 1% 26.7k resistors and 5% 27k resistors. Which would work better? Seems to me that the range on the 26.7k's would be 26.43 - 26.97 while the 27k's would be 25.65 - 28.35.

My money is on coin flip, but I'd appreciate your input.

unless you're building a circuit that requires that much precision, just use whichever one you feel like.
that or measure if you really want them to be exactly 27k