RELIABILITY SUMMARY REPORT

03-2003
www.niccomp.com
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RELIABILITY SUMMARY REPORT
PRODUCTS: SMT ALUMINUM ELECTROLYTIC CAPACITORS
SERIES: NACE, NACEW, NACZ, NACEN & NAC T
TEST CONDITIONS:
100% RATED VOLTAGE AND RIPPLE CURRENT AT MAXIMUM RATED TEMPERATURE (PER TEST PERIOD BELOW)
Series
Size
Quantity
Tested
Test Period
(Hour)
Total Testing
Time (Hour)
No. of Failure
Failure Rate
MTTF (Hour)
NACE
ALL
24,960
2000HR
@+85°C
49,920,000
0
18 FIT
5.44X107
Ø D ≤8mm
13,472
1000HR
@+105°C
28 FIT
3.59X107
Ø D ≥10mm
9,728
2000HR
@+105°C
Ø D ≤8mm
8,928
1000HR
@+105°C
42 FIT
2.36X107
NACEW
NACZ
0
32,928,000
0
0
21,600,000
Ø D ≥10mm
6,336
2000HR
@+105°C
NACEN
ALL
4,832
2000HR
@+85°C
9,664,000
0
95 FIT
1.05 X107
NACT
ALL
6,560
1500HR
@+125°C
9,840,000
0
93 FIT
1.07 X107
0
1.
COEFFICIENT OF ZERO FAILURE IS 0.917 AT 60% CONFIDENTIAL LEVEL.
2.
1 FIT = 1 FAILURE IN 109 HOURS AT 60% CONFIDENCE LEVEL
ISO 9002 REGISTERED