www.vishay.com

10

Document Number 81336

Rev. 1.0, 04-May-07

Vishay Semiconductors

VLM.33..

SOLDERING PROFILE

BARCODE-PRODUCT-LABEL

EXAMPLE:

A) Type of component

B) Manufacturing Plant

C) SEL - Selection Code (Bin):

e.g.: R2 = Code for Luminous Intensity Group

3

= Code for Color Group

D Date Code year/week

E) Day Code (e.g. 1: Monday)

F) Batch No.

G) Total quantity

H) Company Code

Figure 26. Vishay Lead (Pb)-free Reflow Soldering Profile

(acc. to J-STD-020C)

Figure 27. Double wave soldering of opto devices (all packages)

0

50

100

150

200

250

300

0

50

100

150

200

250

300

Time (s)

240 °C

245 °C

max. 260 °C

max. 120 s

max. 100 s

217 °C

max. 30 s

max. Ramp Up 3 °C/s

max. Ramp Down 6 °C/s

19885

IR Reflow Soldering Profile for lead (Pb)-free soldering

Preconditioning acc. to JEDEC Level 2a

max. 2 cycles allowed

255 °C

235 °C...260 °C

2 K/s

ca. 200 K/s

ca. 2 K/s

second

wave

first wave

ca. 5 K/s

5 s

full line: typical

dotted line: process limits

Time (s)

Lead Temperature

300

250

200

150

100

50

0

0

100

150

200

250

948626-1

TTW Soldering

(acc. to CECC00802)

50

100 °C...130 °C

forced cooling

106

37

VISHAY

A

H

BC

D

E

F

G

20195