1. The surface of the parts has no rough edges, deformation, cracks, lack of materials and other bad phenomena;

2. Terminal crimping holding force: 25mm²/1900N, 35mm²/2300N, 50mm²/2800N;

3. Insertion force and withdrawal force of male terminal and female terminal ≥20N, ≤35N;

4. The insertion force of the terminal into the finished product is ≤75N, and the holding force is ≥500N;

5. Connector insertion and withdrawal force (handle structure) : from the pre-lock position to the engagement position of the force ≥15N, ≤75N;

6, the shielding crimping holding force: the holding force between the shielding ring and the cable should be ≥150N, the shielding contact resistance should not exceed 10mΩ, and the voltage resistance is required

7. Contact resistance less than 1mΩ;

8, insulation resistance: test voltage 500VDC test time 15S, the resistance between any two adjacent terminals of the test component should exceed 100mΩ

9, voltage strength: main current PIN to current PIN signal & shielding (USCAR-37)us: rated voltage +1000V AC, test 60S, flashover and breakdown should not occur during the test, leakage current is less than 2mA; Signal PIN pair shield (QCT 413):600V AC,1S, leakage is not more than 2mA;

10, temperature impact :-40℃~125℃ cycle impact 99 times at least, the conversion time 30S;

11. High temperature aging: temperature 125℃, 1008Hr;

12. IP67 waterproof;

13. Plug life 50 times.