Annular rings in class 3 boards require mechanical strength to withstand thermal tension while operating in harsh environments. This calculation is for the minimum annular ring with respect to IPC. However, based on your design requirement, you can increase the annular ring size as much as possible...
Acceptable -Class 1,2,3(可接受条件-1,2,3级 Plating thickness varies but meets minimum average require-ments and minimum thin area requirements in the IPC-6010series.Small localized areas with plating thickness less than minimum requirement are evaluated as voids.镀层厚度不均,但满足IPC 6010系列中...
EMI /RFI FCC part 15, Subpart B, Class B EN55022 CISPR22 Class B, CE Make EN61000-3-3;1995 EN61000-4-2, -3, -4, -5, -6, -8, -11 8. INSTRUCTIONS The set still works properly even if either unit is removed. The removed unit can"t be used in other machinery nor for ...
">Power Requirement9 ~ 36 VDC (e.g +24V @ 3A) (Min. 72W), AT/ATX9 ~ 36 VDC (e.g +24V @ 3A) (Min. 72W), AT/ATXRemote ManagementBuilt-in Advantech DiagAnywhere agent on WES2009 / WES7Built-in Advantech DiagAnywhere agent
subsequent requirement. 620AS meeting 8.1 28. Add: Requirements in Clauses 3, 4.1 through 4.4, 4.5.2 and 16.2 are applicable to soldered wire splices. Pick up reference to wire prep and material requirements. IPC Staff 8.1.1 29. Check D1,2,3 bullet—doesn’t seem to be a defect. ...