20. Soldering Profile
(1) Reflow Soldering Conditions / Profile
Temp
[°C]
Tm : Reflow machine setting temp
Ts : Surface temp of PCB (max)
Ts : Surface temp of PCB (recommend)
Ts : Surface temp of PCB (min)
260
240
220
200
Cooling
-5 °C/sec
Rising
5 °C/sec
Pre-heating
180
150
0
Time
[Hr]
(2) Hand Soldering conditions
- Lead : Not more than 3 seconds @MAX280℃
- Slug : Use a thermal-adhesives
* Caution
1. Reflow soldering should not be done more than one time.
2. Repairing should not be done after the LEDs have been soldered. When repairing is
unavoidable, suitable tools have to be used.
3. Die slug is to be soldered.
4. When soldering, do not put stress on the LEDs during heating.
5. After soldering, do not warp the circuit board.
6. Recommend to use a convection type reflow machine with 7 ~ 8 zones.
SEOUL SEMICONDUCTOR CO., LTD.
148-29, Kasan-Dong, Keumchun-Gu, Seoul, Korea
TEL : 82-2-3281-6269 FAX : 82-2-857-5430
Rev06 – 2005/09
19
SEOUL [ Seoul Semiconductor ]
