White Horse Laboratories’ Week 15 Quality Report
NEC/Renesas UPD78F9116BMC-5A4-A (Date Code 0919) - 8.5% failure - poor pin condition and failures for poor pin connection.
Freescale MC912DG128ACPVE (Date Code 0919) -100% failure - blank-check error (previously programmed).
Vishay 293D104X9035A2TE3 Tantalum Capacitor(Date Code 1024) - 100% failure - high capacitance and high equivalent series resistance, ESR.
Atmel AT91FR40162SB-CU (Date Code 0914) - 16% failure - blank-check error (previously programmed).
Kycera CTZ3E-30C-W1-PF (Date Code 1049) - 13% failure - low capacitance and low Q factor.
Ramtron FM25CL64-G (Date Code 1045) - 96% failure - program and verify error.
Vishay BAT54A-V-GS08 (Date Code 1008) - 6% failure - low breakdown voltage, V(br), and high reverse current, Ir.
Infineon BSP762T (Date Code 0848) - 30% failure - output does not turn on when input is high.
Week 15 Analysis
Week 15 saw an improvement in physical inspection results, improving from 45% acceptance in Week 14 to 56% acceptance in Week 15. At the same time, electrical testing pass rates dipped to 53% from 54%. What is this is displaying is market volatility.