Prepared by JM Bugnard

Page 7/9

Process Change/ Transfer

Qualification report n° QASO8N91

3.2.6 External dimension measurement

Conform

3.2.7 Solderability

Conform (both after 24h steam aging and 24 hours dry air) on 80 units

3.3 FINAL TEST QUALIFICATION

TL431CD

LM358D

Test Yield

99.75%

99.91

3.4 Reliability qualification results

Test

Conditions

Duration

Steps

Lot 1

TL431CD

Lot 2

LM358D

Lot 3

TL082CD

TMC

-65/+150°C

1000 cy

100cy

1000cy

0/78

0/78

0/78

0/78

0/78

0/78

TMSK

-65/+150°C

500 shks

100 shks

500shks

0/78

0/78

0/78

0/78

0/78

0/78

PPT

121°C, 2atm.

480 hours

168h

240h

480h

0/78

0/78

0/78

0/78

0/78

0/78

0/78

0/78

Envir. Sequ.

TMC + PPT

100cy + 48h

100cy

48h

0/78

0/78

0/78

0/78

0/78

0/78

HTB

125°C

1000 h

168

1000h

0/78

0/78

0/78

0/78

0/60

0/60

THB

85°C, 85%HR

1000 h

168

1000h

0/78

0/78

0/78

0/78

0/60

0/60

RSM 245°C

0/15

0/20

RSM 260°C

0/20

0/20

Test marked in blue performed in ST Muar

3.4.1 Drift analysis

168h

1000

HTB (mean Vref drift) TL431CD

2.57mV

1.88mV

THB (mean Vref drift) TL431CD

0.54mV

1.17mV

HTB (mean Vio drift) LM358D

0.047mV

0.108

THB (mean Vio drift) LM358D

-0.01mV

0.05

HTB (mean Vio drift) TL082CD

0.32mV

0.29mV

THB (mean Vio drift) TL082CD

0.20mV

0.15mV