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RD05 데이터시트(HTML) 2 Page - Lumileds Lighting Company

부품명 RD05
상세내용  SnapLED 70 Emitter
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제조사  LUMILEDS [Lumileds Lighting Company]
홈페이지  http://www.luxeon.com
Logo LUMILEDS - Lumileds Lighting Company

RD05 데이터시트(HTML) 2 Page - Lumileds Lighting Company

  RD05 데이터시트 HTML 1Page - Lumileds Lighting Company RD05 데이터시트 HTML 2Page - Lumileds Lighting Company RD05 데이터시트 HTML 3Page - Lumileds Lighting Company  
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SnapLED 70 Emitter Reliability Datasheet RD05 (3/04)
2
T
Ta
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2:: F
Fa
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e R
Ra
atte
e P
Prre
ed
diic
cttiio
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n ((IIF
F
7
70
0m
mA
A))
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ntt T
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piic
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all
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[[1
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[[2
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((9
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F
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e R
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e
T
Te
em
mp
pe
erra
attu
urre
e ((°°C
C))
T
Te
em
mp
pe
erra
attu
urre
e ((°°C
C))
M
MT
TB
BF
F
[[1
1]]
((%
%//1
1K
K H
Ho
ou
urrs
s))
M
MT
TB
BF
F
[[2
2]]
((%
%//1
1K
K H
Ho
ou
urrs
s))
85
110
23,000
4.314
10,000
9.932
75
100
33,000
3.044
14,000
7.009
65
90
47,000
2.107
21,000
4.852
55
80
70,000
1.429
30,000
3.289
45
70
106,000
0.947
46,000
2.180
35
60
163,000
0.612
71,000
1.410
25
50
259,000
0.385
113,000
0.887
N
No
otte
es
s::
[1]
The point typical MTBF (which represents 60% confidence level) is the total device hours divided by the number of failures. In the case of
zero failures, one failure is assumed for this calculation.
[2]
The 90% Confidence MTBF represents the minimum level of reliability performance which is expected from 90% of all samples. This confi
dence interval is based on the statistics of the distribution of failures. The assumed distribution of failures is exponential. This particular
distribution is commonly used in describing useful life failures. Refer to MILSTD690B for details on this methodology.
[3]
A failure is any LED which does not emit light and max. % Iv degradation is > 50%.
[4]
Assuming 115°C/W of
θJA
Example of Failure Rate Calculation
Assume a device operating 8 hours/day, 5 days/week. The utilization factor, given 168 hours/week is:
(8 hours/day) x (5 days/week) / (168 hours/week) = 0.25
The point failure rate per year (8760 hours) at 25°C ambient temperature is:
(0.060% / 1K hours) x (0.25) x (8760 hours/year) = 0.131% per year
Similarly, 90% confidence level failure rate per year at 25°C:
(0.137% / 1K hours) x (0.25) x (8760 hours/year) = 0.300% per year
T
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U
Un
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Temperature Cycle
MILSTD883
55
°C to 100°C, 15 min. dwell, 5 min. transfer
Method 1010
20 cycles
6090
0
100 cycles
6090
0
Temperature Cycle
MILSTD883
40
°C to 120°C, 15 min. dwell, 5 min. transfer
Method 1010
20 cycles
1071
0
100 cycles
1071
0
Power Temperature
Internal
40
°C to 85°C, 18 min. dwell, 42 min. transfer,
Cycle
Reference
70 mA, 5 min on/off
100 cycles
98
0


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