White Horse Laboratories Counterfeit Detection Report Week 49

White Horse Laboratories Counterfeit Detection Report Week 49Inspection yields continued their downward trajectory again in Week 49, reaching a low of 50%, falling another 10% from Week 48′s 60%. The 50% is one of the lowest yields of 2012.

Electrical testing yields ricocheted from 60.9% in Week 48 to 68.8% in Week 49. Electrical failures range from opens caused by electrical overstress during prior use or salvaging on refurbished devices to parametric failures.

Inspection Accept 50%  Electrical Testing Pass 68.8%

Week 49 Quality Report, 2012  Substandard Part Listing

ON Semiconductor NTD25P03LT4G (Date Code 0230) – 100% Failure Rate - High Rds(on).

Analog Devices AD7685CRMZ (Date Code not marked or labeled) - 100% Failure Rate - Incorrect digital output.

Xilinx XC4005E4PQ100I (Date Code 0717) - 100% Failure Rate - Bitstream data would not load via PROM and JTAG.

Cypress Semiconductor VIC068A-BC (Date Code not marked or labeled) – 10.3% Failure Rate – Open/short pins and bad protection diodes.

Vishay 594D337X9016R2T (Date Code not marked or labeled ) – 8.51% Failure Rate – High breakdown of direct current leakage (DCL).

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