White Horse Laboratories Weeks 31-32 Counterfeit Detection Report
Electrical Testing yields suffered two more declines after reaching 79% in Week 30, dipping to 73% in Week 31 and then plunging to 41% in Week 32. Period average remained little changed at 57% compared to the previous period’s mark of 58%. What a rollercoaster!
Eleven different devices had a high failure rate in Electrical Testing; however, none of them had a 100% failure rate.
Inspection results also scraped the bottom of the chart after trying to recover the previous three weeks, posting a 27% acceptance rate in Week 31 and 36% in Week 32, averaging just 31% for the period.
Inspection Accept 31% Electrical Testing Pass 57%
Weeks 31-32 Quality Report
Substandard Part Listing
Xilinx XC6VLX130T-1FFG1156C (Date Code 1235) – 12% Failure Rate - Program error.
Infineon ADM6999X-A2-T-1-XP (
Ali M6117D (Date Codes 0703, 0711, 0716, 0725, 0730, and 0737) -7% Failure Rate - Open, shorted pins and bad protective diodes.
Vishay MSS1P3-M3/89A (Date Code not marked or labeled) -89% Failure Rate - High Ir.
Xilinx XC9572-10PC84I (Date Codes 0218 and 0236) -15% Failure Rate - Program error and wrong ID.
Infineon CF739 (Date Code not marked or labeled) – 7% Failure Rate – Breakdown and gate 2 open.
Analog Devices AD289J (Date Code not marked or labeled) – 10% Failure rate – Low gain.
Maxim DS2506+ (Date Code 1224) – 18% Failure rate – Blank check error.
Altera EP2S60F1020C5N (Date Code 0831) – 7% Failure rate – Program error.