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是excel格式的。
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, h( B+ I6 | N. d' p4 E3 xTrace Width Calculator( V# e. r, e6 @( q- X
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User Inputs:5 C) h4 o% H4 k
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Current: I 1 [Amps]
3 Q/ R9 A" U! r& s$ E7 f, e8 tTemperature Rise: ▲T 10 [Degrees C]
W' D0 T4 h: E. H: {6 _Conductor Thickness: t 1 [oz. per sq. ft.] / b7 X& ^% \. x1 _+ B- v h. `
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Results:9 ~0 O7 A5 Y6 U
, ^, e" c+ m. Q) x9 lInternal Layer Results: 1 E/ Z& a3 L* N+ p- I( y( o* [
Required Trace Width: Wi 39.86495008 [Mils]
/ a/ N+ f; `% b" ECopper Area: 54.93390121 [Square Mils]
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External Layer Results: ; v! B' N+ A' t2 q$ o& r* R! E
Required Trace Width: We 9.798650996 [Mils] # A/ e" I4 a* i0 O3 T
Copper Area: 13.50254107 [Square Mils]
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* D2 D! k- L! s ^NOTE:
' e, W0 V/ e6 q2 M' NThese Formulas are approximations!
# t* M' W4 m, R! h2 s. pThey should not be used when a high degree of accuracy is required.
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