Bus Bar vs PCB Trace for High CurrentMay/21/2026A manufacturing engineer's reality check on when to use each approachThe Phone Call That Changed Our ApproachThree years ago, a client called me at 11 PM, stressed about production costs. They had designed a 200A power distribution board using heavy copper PCB traces. Their contract...

High Current PCB Connector Selection: Test Results and Real Performance DataMay/21/202612 months of continuous testing across 4 connector types. The data challenges conventional wisdom.The Test SetupWe tested 4 different high current connector types under identical conditions for 12 months. Each connector type was subjected to continuous current cycling, thermal stres...

IPC-2152 Current Carrying Capacity: The Definitive PCB Trace Calculator GuideMay/21/2026Why smart engineers stopped using trace width calculators—and started understanding the physicsWhy IPC-2152 Changes EverythingFor decades, PCB designers relied on IPC-2221 (formerly MIL-STD-275) trace width charts. The problem? Those charts were derived empirically in the 1950s...