1、0.628 24.72447.87 1.4435.60314961过孔电流计算器 V2.0最大温升 20 C由最大温升得过孔最大电流每个过孔最大电流= 0.99610.20 计算所需过孔最小数目需要流过的电流（A） 4.00最少需要过孔的数目 = 5转换mil密耳 39.37 = 毫米 1 公英制换算微米 60 = Oz 1.64 铜皮厚度，见上图（当微米数是36.5时，Oz=1.00）Please NoteI have created the Via Calculator on information I found from various sources.The via calculat
2、or simply converts the drill size into its Circumference And assumes this behaves the same as a traceDue to a lack of Data I cannot confirm the accuracy of this calculator (use as rough guide only).This means it is down to the User to determine its accuracy. DesignedThis Program was designed by Phillip Restall and is in no way connected with Aculab plc. By（需设定）（需设定）
