White Horse Laboratories Weeks 19-20 Counterfeit Detection Report
Electrical Testing dropped for two consecutive weeks following a three week climb that peaked at 78% in Week 18. Week 19 dipped to 72% and then again to 64% in Week 20, averaging 68% % for the period.
15 different devices had a high failure rate in Electrical Testing.
Inspection reached 85% in Week 98 and then dropped back down to 73% in Week, but still improved to 79% for the period, up from an average of just 61% over Weeks 17 and 18.
Inspection Accept 79% Electrical Testing Pass 68%
Weeks 19-20 Quality Report Substandard Part Listing
Lattice Semiconductor LFXP6C-4TN144C-
Lattice Semiconductor GAL22V10C-15LJN
Taiyo Yuden GMK316AB7106KL-TR (Date Code not marked or labeled) -100% Failure Rate - High DF.
Intersil X9C102P (Date Code 0340) -39% Failure Rate - wrong wiper value.
Yageo LG035M8200BPF-3525 (Date Code not marked or labeled) - 22% Failure Rate - Low Capacitance and high DF.
Vishay SMBJ18CA (Date Code 0242) - 100% Failure Rate - High Id.
Panasonic LNJ216C82RA (Date Code not marked or labeled) - 100% Failure Rate- Low Vf.
NEC 2SA1009-AZ (Date Code 0216) - 100% Failure Rate - High Icer and Icbo, Low Vceo and Vcbo.
Sumida CDRH12D58RNP471MC (Date Code not marked or labeled) - 100% Failure Rate - High DC resistance.
Panasonic DS4E-SL2-DC24V (Date Codes 1025, 0549, and 0550) - 87% Failure Rate - Low coil resistance.
Infineon SAF-C517A-LNAA (Date Code 1028) - 100% Failure Rate - Short pins and bad protective diodes.
Renesas UPD78F0058YGC-8BT-A (Date Code 0811) - 18% Failure Rate - Open/short pins and bad protective diodes.