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TFDU5307-TT1 Datasheet(PDF) 10 Page - Vishay Siliconix |
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TFDU5307-TT1 Datasheet(HTML) 10 Page - Vishay Siliconix |
10 / 17 page www.vishay.com 10 Document Number 82616 Rev. 1.5, 07-Apr-06 TFDU5307 Vishay Semiconductors Recommended Solder Profile Solder Profile for Sn/Pb soldering Lead-Free, Recommended Solder Profile The lead-frame based transceivers (all types with the name TFDUxxxx) are lead (Pb)-free and qualified for lead (Pb)-free and lead - bearing processing. In case of using a lead-bearing process we recom- mend a solder profile as shown in figure 4. For lead (Pb)-free solder paste like Sn-(3.0-4.0)Ag- (0.5-0.9)Cu, there are two standard reflow profiles: Ramp-Soak-Spike (RSS) and Ramp-To-Spike (RTS). The Ramp-Soak-Spike profile was developed prima- rily for reflow ovens heated by infrared radiation. With widespread use of forced convection reflow ovens the Ramp-To-Spike profile is used increasingly. Shown below in figure 5 and figure 6 are VISHAY’s recom- mende profiles for use with the TFDUxxxx transceiv- ers for lead (Pb)-free processing. Figure 3. Recommended Solder Profile for Sn/Pb soldering 19431_1 0 20 40 60 80 100 120 140 160 180 200 220 240 260 0 50 100 150 200 250 300 350 Time/s 2...4 °C/s 2...4 °C/s 10 s max. at 230 °C 120 s...180 s 160 °C max. 240 °C max. 90 s max. Figure 4. Solder Profile, RSS Recommendation 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 0 50 100 150 200 250 300 350 Time/s 20 s 2 °C...4 °C/s 2 °C...4 °C/s 90 s...120 s T ≥ 217 °C for 50 s max Tpeak = 260 °C max. 50 s max. T ≥ 255 °C for 20 s max 19261 |
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