Sharp IV-C35M Manuel d'utilisateur télécharger pdf (Page 10)

C35 Application Note

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RoHS Compliant www.semileds.com

C35 Application Note V1.3

Subject to change without notice

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Page

ReflowInformation

The LEDs can be soldered using the parameters listed below. As a general guideline, the users are

suggestedtofollowtherecommendedsolderingprofileprovidedbythemanufacturerofthesolderpaste.

Although the recommended soldering conditions are specified in the list, reflow soldering at the lowest

possibletemperatureispreferred

fortheLEDs.

ProfileFeature ForsolderwithPb ForLeadfreesolder

Temprampuprate

(TsmaxtoTp)

3℃/secondmax. 3℃/secondmax.

Pre‐heat

- Min.Temp(Tsmin)

- Max.Temp(Tsmax)

- Time(tsmintotsmax)

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100℃

150℃

60‐120seconds

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150℃

200℃

60‐180seconds

StableCondition:

- Temp.(TL)

- Time(tL)

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183℃

60‐150seconds

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217℃

60‐150seconds

PeakTemp.(Tp)

215℃ 260℃

TimeinPeakTemp.(tp) 10‐30seconds 20‐40seconds

Rampdownrate

6℃/secondmax. 6℃/secondmax.

Timefrom25℃ toPeaktemp.

6minutesmax. 8minutesmax.

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Notes:Afterreflowprocess,theLEDlenssurfacemaybepollutedbyfluxorcontaminationwhichmay

impacttheLEDopticalperformance.ItissuggestedtocleanthelenssurfacebyalcoholorIPA.Pleaserefer

to“C35LEDCleaning”.

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Sharp IV-C35M Manuel d'utilisateur Page 10

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