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是excel格式的。
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0 l' F+ K4 y: b% x rTrace Width Calculator
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: A) p6 @$ g& c0 u4 s+ aUser Inputs:
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Current: I 1 [Amps]% A$ s5 n8 ~- _* T3 {
Temperature Rise: ▲T 10 [Degrees C]
4 R- X L1 h. O9 O( s" x. xConductor Thickness: t 1 [oz. per sq. ft.]
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Results:
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( c/ k( v$ ?6 W% ]2 G& TInternal Layer Results: 6 \ U7 g4 R# j" ?# ^
Required Trace Width: Wi 39.86495008 [Mils] , _. M. K, u: `1 [2 a* \; K
Copper Area: 54.93390121 [Square Mils]) o2 _0 K. e1 r* b& X+ H
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2 R0 P) S" _1 Z: O; |0 uExternal Layer Results:
$ ?1 t& D. @% p% u1 bRequired Trace Width: We 9.798650996 [Mils]
8 ]# y( d, H9 F5 vCopper Area: 13.50254107 [Square Mils]! H0 Y# R$ ^$ o9 [7 j7 @
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NOTE:! a: Y2 R8 t s. V8 g) }* \
These Formulas are approximations!4 h! A! C5 y( V0 y
They should not be used when a high degree of accuracy is required.2 w6 Q* M3 D; j( T8 U
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