Philips InstantFit T8 - Operational Data and Dimensions; Lifetime and Failure Rate; Product Dimensions

6
Lifetime and Failure Rate
Lifetime vs. Failure rate @Ta 25°C Lifetime vs. Failure Rate vs. Tcase
Temperature
Dimensions
Operating temperature T
operating
min -20
°C max +45°C
Storage temperature T
storage
min -40
°C max +65°C
Maximum case temperature of tube at Tamb.=25°C T
case
+37
°C
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
0 2000010000 60000500004000030000
Cumulate Failure Rate
Lifetime (Hrs)
80%
70%
60%
50%
40%
30%
20%
10%
0
0 20000 30000 40000 50000 6000010000
TC=35
TC=45
TC=55
Total Failure Rate
Lifetime (Hrs)
25 35 45 55
60000
50000
40000
30000
20000
10000
0
F10L70
F50L70
Lifetime (hrs)
TC (
o
C)TC (
o
C)
100%
99%
98%
97%
96%
95%
94%
93%
92%
Lumen (% )
37 42 52 5747
TC Position
B
B
TC Position
White Side
Diusive Side
SECTION B-B