VLMO21.., VLMS21.., VLMY21..

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Vishay Semiconductors

Rev. 1.8, 22-May-2019

6

Document Number: 81233

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 13 - Relative Luminous Intensity vs. Ambient Temperature

Fig. 14 - Relative Intensity vs. Wavelength

Fig. 15 - Pulse Forward Current vs. Pulse Duration

SOLDERING PROFILE

Fig. 16 - Vishay Leadfree Reflow Soldering Profile

(acc. to J-STD-020)

yellow

0

0.4

0.8

1.6

1.2

2.0

95 9992

20

40

60

80

0

100

550

570

590

610

630

0

0.2

0.4

0.6

0.8

1.2

650

95 10039

λ - Wavelength (nm)

1.0

yellow

0.01

0.1

1

10

1

10

100

1000

10 000

100

95 9985

DC

t

0.5

0.2

0.1

0.01

0.05

0.02

T

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

19885-1

IR Reflow Soldering Profile for Lead (Pb)-free Soldering

Preconditioning acc. to JEDEC level 3

max. 2 cycles allowed

255 °C