Tests the raw press-in zone independently to verify the manufacturer's claims. Application:
If you are a testing lab, you may access standards through IECEE (IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components). iec 603525 pdf
The International Electrotechnical Commission (IEC) uses a numbering system where most standards follow a five-digit format (e.g., 60364, 60898). The number "603525" is almost certainly a for one of two extremely common standards: Tests the raw press-in zone independently to verify
Modified the upper limit of copper thickness for plated-through holes to align with modern manufacturing trends. iec 603525 pdf