What is the Flat Cable – Retention spec in IPC?
IPC defined the retention spec when crimping the flat cable with the IDC connectors, and Top-cable always follow IPC-A-620 to control it.
Acceptable - Class 1,2,3
• Wires are retained in the connector.
• Strain relief features of the connector, if applicable, are utilized.
• Where present, connector-locking tabs are properly engaged.

Defect - Class 1,2,3
• Wires are not retained in the connector (Figure 6-16).
• Strain relief features of the connector, if applicable, are not utilized.
• Where present, connector-locking tabs are not engaged (Figure 6-17).







