Cosmo Electronics Corp.

Document No. 69P21002.2

- 7 -

http://www.cosmo-ic.com

cosmo

KPC4N33 Series

6PIN PHOTODARLINGTON

PHOTOCOUPLER

(a) Infrared reflow soldering：



Peak reflow soldering：



Time of peak reflow temperature：



Time of temperature higher than 230℃：



Time to preheat temperature from 180~190℃：



Time(s) of reflow：



Flux：

260℃ or below (package surface temperature)

10 sec

30-60 sec

60-120 sec

Two

Rosin flux containing small amount of chlorine (The

flux with a maximum chlorine content of 0.2 Wt% is

recommended.)

Recommended Temperature Profile of Infrared Reflow

1 8 0 ℃

1 9 0 ℃

2 3 0 ℃

2 6 0

℃

6 0 -1 2 0 s e c

3 0 -6 0 s e c

t (s )

1 0 s e c M a x .

(b) Wave soldering：



Temperature：



Time：



Preheating conditions：



Time(s) of reflow：



Flux：

260℃ or below (molten solder temperature)

10 seconds or less

120℃ or below (package surface temperature)

One

Rosin flux containing small amount of chlorine (The flux with a maximum

chlorine content of 0.2 Wt% is recommended.)

(c) Cautions：



Fluxes：

Avoid removing the residual flux with freon-based and chlorine-based

cleaning solvent.



Avoid shorting between portion of frame and leads.