DS244 LUXEON MultiColor Module 2.5W Product Datasheet 20210428 ©2021 Lumileds Holding B.V. All rights reserved.

15

Reflow Soldering Guidelines

Table 10. Reflow profile characteristics for LUXEON MultiColor Module 2.5W.

ProFIlE FEaturE

lEad-FrEE assEmBly

Preheat Minimum Temperature (T

150°C

Preheat Maximum Temperature (T

200°C

Preheat Time (t

60 to 120 seconds

Ramp-Up Rate (T

3°C / second maximum

Liquidus Temperature (T

217°C

Time Maintained Above Temperature T

60 to 150 seconds

Peak / Classification Temperature (T

260°C

Time Within 5°C of Peak Temperature (t

20 to 40 seconds

Ramp-Down Rate (T

6°C / second maximum

Time 25°C to Peak Temperature

8 minutes maximum

JEDEC Moisture Sensitivity

Table 11 . Moisture sensitivity levels for LUXEON MultiColor Module 2 .5W .

lEVEl

Floor lIFE

soak rEquIrEmEnts standard

tImE

CondItIons

tImE

CondItIons

3

168 Hours

≤30°C / 60% RH

192 Hours +5 / -0

30°C / 60% RH

T

p

T

L

25

Time 25ºC to Peak

JEDEC J-STD-020D

Critical Zone

T

t

L

t

p

Ramp-up

Ramp-down

Time

t

s

Preheat Area

T

smax

T

smin

Figure 9. Visualization of the acceptable reflow temperature profile as specified in Table 10.