Week 17-18 Report

Inspection Accept

61%

Electrical Testing Pass

71% 

Weeks 17-18 Summary                                                                                                          

Electrical Testing continued a three week climb after hitting a low of 42% in Week 15. Week 17 reached 64% and Week 18 climbed to 79%, reaching an average of 71% for the period. Let's hope this is a trend that continues.

With volumes increasing since March, the list and range of high failure rate devices reaching 12 different devices having a high failure rate.

Inspection started Week 17 on the same positive trend, improving to 72% before falling back down to 50% in Week 18, averaging just 61% for the period.

Weeks 17-18 Quality Report

Blank check error- ST72T1412K2MCE

Substandard Part Listing

STMicroelectronics ST72T141K2MCE (Date Codes 0002 & 0003) - 100% Failure Rate - Blank check error (previously programmed).

Ali M6117D (Date Codes 0613 and 0607) - 7% Failure Rate - Open/short pins and bad protection diodes.

Atmel AT29C020-90PC (Date Codes 0429 and 0421) - 14% Failure Rate - Program & verify error.

Intersil X9455WV24IZ-2.7 (Date Codes 1017 and 1033) - 88% Failure Rate - wrong wiper value.

Yageo LG035M8200BPF-3525 (Date Code not marked or labeled) - 23% Failure Rate - Low Capacitance and high DF.

On Semiconductor CMCPCI102BR (Date Code 0820) - 5% Failure Rate - Output channels not switching

Advanced Power Technology APT60N60BCSG (Date Code 1104) - 5% Failure Rate - Internal short circuit.

Texas instruments TMS9995NL (Date Code not marked or labeled) - 40% Failure Rate - Bad protection diodes.  

MicroSemi  APT8056BVR (Date Code 0603) - 46% Failure Rate - Low BVdss.

International Rectifier PVT312LSTPBF (Date Code 1140) - 23% failure rate - High on resistance.

Intersil X9250US24Z (Date Code not marked or labeled) - 46% Failure Rate - Wrong wiper values and resistance out-of-tolerance.

Infineon Technology  TCA965B (Date Code 0628) - 8% Failure Rate - High output A and wrong voltage detection.

Renesas UPD78F0058YGC-8BT-A (Date Code 0811) - 21% Failure Rate - Open/shorted pins and bad protective diodes.