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是excel格式的。
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; B5 A$ \: N/ i( X1 ?" V, DTrace Width Calculator; ~% g' {$ V/ d/ T1 x
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User Inputs:
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Current: I 1 [Amps]: j- l' P' a+ L5 z
Temperature Rise: ▲T 10 [Degrees C]6 p) K: \! o" K: q0 f7 Y# ^
Conductor Thickness: t 1 [oz. per sq. ft.]
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$ p# ^+ [- R. f: T% x2 ?8 bResults:
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; Y$ |# d; M' S8 a/ w, DInternal Layer Results:
C& V v0 y+ U% t$ ^7 sRequired Trace Width: Wi 39.86495008 [Mils]
l5 J& A* ?1 n1 s: QCopper Area: 54.93390121 [Square Mils]8 S; T7 q1 v" b( v- a$ x
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2 [' r, k; M5 S4 C5 h' S! ~* rExternal Layer Results: , K* p. n6 G c7 e+ [
Required Trace Width: We 9.798650996 [Mils] ( p( s% x% q. V2 H2 {+ ^
Copper Area: 13.50254107 [Square Mils]
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NOTE:; F: T( \7 @. U# D. I& [6 W/ Z
These Formulas are approximations!
4 H- Y2 x: R& f6 _7 d$ gThey should not be used when a high degree of accuracy is required.% P1 U4 Z: b% b; t
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发表于 2015-8-6 17:12
