DS133 LUXEON TX Product Datasheet 20170114 ©2017 Lumileds Holding B.V. All rights reserved.

12

Reflow Soldering Guidelines

Table 10. Reflow profile characteristics for LUXEON TX.

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 Actual 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 TX .

lEVEl

Floor lIFE

soak rEquIrEmEnts standard

tImE

condItIons

tImE

condItIons

1

Unlimited

≤30°C / 85% RH

168 Hours +5 / -0

85°C / 85% 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 10. Visualization of the acceptable reflow temperature profile as specified in Table 10.