IPC/JEDEC Moisture Sensitivity Level
Table 6 - IPC/JEDEC J-STD-20D.1 MSL Classification:
Soak Requirements
Floor Life
Conditions
Standard
Conditions
Accelerated
Level
1
Time
Time (hrs)
Time (hrs)
Conditions
≤ 30°C/
168
+5/-0
85°C/
85% RH
Unlimited
n/a
n/a
85% RH
Notes for Table 6:
1.
The standard soak time includes a default value of 24 hours for semiconductor manufacturer’s exposure time (MET) between bake and bag and
includes the maximum time allowed out of the bag at the distributor’s facility.
Average Lumen Maintenance Projections
Lumen maintenance generally describes the ability of a lamp to retain its output over time. The useful lifetime for
solid state lighting devices (Power LEDs) is also defined as Lumen Maintenance, with the percentage of the original
light output remaining at a defined time period.
Based on long-term WHTOL testing, LED Engin projects that the LZ Series will deliver, on average, 70% Lumen
Maintenance at 65000 hours of operation at a forward current of 1000 mA. This projection is based on constant
current operation with junction temperature maintained at or below 125°C.
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