5

LZC-00CW40 (01/12/10)

IPC/JEDEC Moisture Sensitivity Level

Table 4 - IPC/JEDEC J-STD-20.1 MSL Classification:

Soak Requirements

Floor Life

Standard

Accelerated

Level

Time

Conditions

Time (hrs)

Conditions

Time (hrs)

Conditions

1

unlimited

≤ 30°C/

85% RH

168

+5/-0

85°C/

85% RH

n/a

n/a

Notes for Table 4:

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, LedEngin projects that the LZ Series will deliver, on

average, 90% Lumen Maintenance at 100,000 hours of operation at a forward current of

700 mA per die. This projection is based on constant current operation with junction

temperature maintained at or below 125°C.

Typical Radiation Pattern

Figure 2: Typical representative spatial radiation pattern.