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White Horse Laboratories Counterfeit Detection Report Week 34

White Horse Laboratories Counterfeit Detection Report Week 34Physical condition results jumped 10 points in Week 34 to over 64% from 54.2% in Week 33. The 2nd consecutive week of improvement. Electrical test yields also inched up to over 72% in Week 34, recovering some ground from Week 33′s 70.8%, which had been the first decline after several weeks of incremental improvement.

With volumes in the industry trending up in August, there is still a significant high-risk list of electrical issues despite the improvement in yields.

August Poll Question “What do you think is driving the perceived increase in buyer caution and reject rates?”

Post your vote and view results on August poll at http://conta.cc/O0zxfo.

Week 34 Quality Report, 2012  Substandard Part Listing

Xilinx XC4VLX40-10FFG1148I (Date Codes 1148 and 1129) – 34% failure - program error.

SEMTECH RCLAMP0J24P (Date Code not marked or labeled) – 50% failure – high clamping voltage, Vc.

Cypress Semiconductor  CY37032P44125AXC (Date Code 0833) – 8% failure – ID error.

NXP Semiconductor TDA7057AQ-N2 (Date Code not marked or labeled) – 8%failure – High output.

Xinlinx XC4020E (Date Code 0515) – 9% failure - program error.

Kemet  C1206C102J1GACTU (Date Code not marked or labeled) – 40% failure – Low capacitance.

Freescale Semiconductor MC912DG128ACPV-3K91D (Date Codes 0342 and 1033) – 17% failure – Blank check error.

AVX  06036C225KAT2A (Date Code not marked or labeled) – 78% failure – High dissipation factor, DF.

Littlefuse SMBJ200A (Date Code not marked or labeled) – 64% failure – Low breakdown voltage, Vbr, and high reverse current, Ir.

Toshiba TMPN3150B1AF (Date Codes 0925 and 0903) – 13% failure – open and short pins and bad protective diodes.

Infineon Technology PTFA211801E (Date Code not marked or labeled) – 10% failure – High Idss.



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