XLAMP MP-L EASYWHITE LEDS
refloW soldering characteristics
In tꢀsting, Crꢀꢀ has found XLamp MP-L easyWhitꢀ LeDs to bꢀ compatiblꢀ with JeDeC J-STD-020C, using thꢀ paramꢀtꢀrs
listed below. As a general guideline, Cree recommends that users follow the recommended soldering profile provided by
thꢀ manufacturꢀr of soldꢀr pastꢀ usꢀd.
Note that this general guideline may not apply to all PCB designs and configurations of reflow soldering equipment.
Profile Feature
lꢁꢂꢌ-Bꢂꢄꢁꢌ sꢋꢉꢌꢁꢀ
lꢁꢂꢌ-fꢀꢁꢁ sꢋꢉꢌꢁꢀ
Aꢁꢀragꢀ Ramp-Up Ratꢀ (Tsmax to Tp)
3°C/second max.
100°C
3°C/second max.
150°C
Preheat: Temperature Min (Tsmin
Preheat: Temperature Max (Tsmax
Preheat: Time (tsmin to tsmax
)
)
150°C
200°C
)
60-120 sꢀconds
183°C
60-180 sꢀconds
217°C
Time Maintained Above: Temperature (TL)
Time Maintained Above: Time (tL)
60-150 seconds
60-150 seconds
Peak/Classification Temperature (Tp)
215°C
260°C
Time Within 5°C of Actual Peak Temperature (tp)
Ramp-Down Ratꢀ
10-30 sꢀconds
6°C/second max.
6 minutꢀs max.
20-40 sꢀconds
6°C/second max
8 minutꢀs max.
Time 25°C to Peak Temperature
Note: All temperatures refer to the topside of the package, measured on the package body surface.
Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks
Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks
of Cree, Inc.
of Cree, Inc.
5
CREE [ CREE, INC ]
