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| Delta VSD Engineering and Production Testing (MIL-STD-750D method 3161) |
| USEA understands the importance of good die attach in devices including power MOSFETs; therefore USEA develops Delta VSD (DVSD) testing for the engineering and production phases in accordance with MIL-STD-750D method 3161. |
| USEA provides the necessary inputs into the test development including: |
| | Thermal characterization of the part with regard to VSD vs. Temperature. | | Test development for the initial and final VSD determination. | | Test development of the appropriate heating current pulse. | | Test development of the duration of the heating pulse to ensure that the test interrogates the die to lead frame attachment. | | USEA is unique in that we can scale engineering Delta VSD (DVSD) and perform true quadsite testing in production (link to the QM1000). | | | | |
