Week 2 Report

Inspection Accept

44%

Electrical Testing Pass

60%

Week 2 Summary                                                                        

Week 2, as expected following the Christmas and New Year's holidays, saw increased activity and more meaningful yield results. Electrical Testing yields improved on more parts being tested while Inspection yields dropped, perhaps with more dispositions provided as people returned to work after the break.

Electrical Testing yields got on the board in Week 2 with a 60% of tested lots having less than a 5% failure rate and Inspection yields dipped to a 44% acceptance rate after starting 2015 at 60% in Week 1.

A total of six new part numbers were added to the Substandard Parts List, although none of them posted a 100% failure rate.

Week 2 Quality Report

Substandard Part Listing 

Texas Instruments TMS9995NL - (Date Code not marked or labeled) - 15% Failure Rate - Broken protective diodes. 

Texas Instruments TMS9902NL - (Date Code not marked or labeled) - 25% Failure Rate - Broken protective diodes.

Cypress Semiconductor and Simtek STK14CA8-NF45 - (Date Codes 0901 and 0942) - 4% Failure Rate (Date Code 0901 with a 13% Failure Rate) - Program & Verify Error.

Vishay 592D107X9016D2T15H (Date Code 1230) - 6% Failure Rate - High DC Leakage Current under 16V rated voltage.

STMicroelectronics ST72T141K2M6 (Date Code not marked or labeled) - 5% Failure Rate - Load program error.

Texas Instruments LM22676MRX-ADJ (Date Code not marked or labeled) - 9% Failure Rate - SW, VIN, and GND short circuit between pins.