Joint industry-standard (J-STD-001) is the industrial specification for electronics and electrical assemblies that are grouped according to the product classes. The standard specifies material specifications, process requirements, and acceptability criteria. J-STD-001 is a standard issued by IPC for soldered electrical and electronic assemblies. RLC Resonant Frequency and Impedance Calculator.Bandwidth Rise Time and Critical Length Calculator.Transmission Line Reflection Calculator.Trace Width and Current Capacity Calculator.