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Formosa MS

Super Fast Recovery Rectifiers

Document ID

Issued Date

Revised Date

Revision

Page.

SF5A05 THRU SF5A60

Suggested thermal profiles for soldering processes

1.Lead free temperature profile wave-soldering

0

20

40

60

80

100 120 140 160 180 200 220 240

Time(Sec)

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

Preheat

Max gradient 2ºC/s

Peak

Max well

time 5 Max

Cool Down

Max gradient-4ºC/s

Suggested gradient 2ºC/s or

less

-

Peak soldering temperature not

to exceed 260ºC

DS-222435

2009/08/10

2014/08/15

E

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