Week 25 Report

Inspection Accept

70%

Electrical Testing Pass

73%

Week 25 Summary                                                                        

After three weeks of relatively irregular results, Week 25 returned a sense of normalcy. Electrical Testing yields edged up 5 points from Week 24 while Inspection yields held generally steady.

Electrical Testing yields pushed forward to 73%, from 67% in Week 24. This is consistent with the 70-75% range we had observed for nearly two months before things got a little sporadic for a few weeks.

There are four new devices added to the substandard parts list this week, and two repeat offenders, for of which had a 100% failure rate.

Inspection yields stayed around 70%, sliding from a rounded down to a rounded up 70% from Weeks 24 to 25.

Week 25 Quality Report

Substandard Part Listing 

Vishay SMAJ26CA-HE3/61 (Date Code not marked or labeled ) -

Lattice Semiconductor GAL20V8B-15LD/883 (Date Code 0846) - 100% Failure Rate - Wrong ID code.

Altera EPM5064LC-1 (Multiple Date Codes) - 100% Failure Rate - Wrong ID and poor pin contacts.

Altera EP2S90F1020C5N (Date Code 1409) - 21% Failure Rate - Program error and no output.

STMicroelectronics STFP40V60F (Date Code not marked or labeled) - 100% Failure Rate - Low Vge(th).