Whma-a-620b Revision A To | Revision B Red[...]

The IPC/WHMA-A-620B standard, titled "Requirements and Acceptance for Cable and Wire Harness Assemblies," introduced several significant updates and technical changes from Revision A. Because this standard is copyrighted, full "redline" documents are typically only available for purchase through IPC or authorized distributors.

: Clarified requirements for wire insulation support and conductor brush to reduce ambiguity in Class 2 and Class 3 inspections. Administrative and Structural Updates

: Expanded criteria and definitions for overmolding, potting, and encapsulation processes to better reflect modern manufacturing techniques. WHMA-A-620B Revision A to Revision B red[...]

: Updated definitions for several terms to match the IPC-T-50 terms and definitions standard. Compliance Note

: Revision B was a major effort to harmonize criteria with IPC-A-610 (Acceptability of Electronic Assemblies) and IPC-J-STD-001 to ensure consistency across the electronics industry. The IPC/WHMA-A-620B version has since been superseded by

The IPC/WHMA-A-620B version has since been superseded by and the current Revision E . If you are performing a new audit or starting a new production run, it is generally recommended to use the latest revision (Revision E) unless your specific contract mandates Revision B.

: Revised requirements for solderless wrap connections to align with updated industry reliability data. The IPC/WHMA-A-620B standard

: Revision B introduced criteria for ultrasonic welding of splices and terminals, which was not formally addressed in Revision A.

The IPC/WHMA-A-620B standard, titled "Requirements and Acceptance for Cable and Wire Harness Assemblies," introduced several significant updates and technical changes from Revision A. Because this standard is copyrighted, full "redline" documents are typically only available for purchase through IPC or authorized distributors.

: Clarified requirements for wire insulation support and conductor brush to reduce ambiguity in Class 2 and Class 3 inspections. Administrative and Structural Updates

: Expanded criteria and definitions for overmolding, potting, and encapsulation processes to better reflect modern manufacturing techniques.

: Updated definitions for several terms to match the IPC-T-50 terms and definitions standard. Compliance Note

: Revision B was a major effort to harmonize criteria with IPC-A-610 (Acceptability of Electronic Assemblies) and IPC-J-STD-001 to ensure consistency across the electronics industry.

The IPC/WHMA-A-620B version has since been superseded by and the current Revision E . If you are performing a new audit or starting a new production run, it is generally recommended to use the latest revision (Revision E) unless your specific contract mandates Revision B.

: Revised requirements for solderless wrap connections to align with updated industry reliability data.

: Revision B introduced criteria for ultrasonic welding of splices and terminals, which was not formally addressed in Revision A.