SMAJ54 データシートの表示（PDF） - Jiangsu Yutai Electronics Co., Ltd
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SMAJ54 Datasheet PDF : 5 Pages
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Figure 5. Steady State Power Dissipation Derating
Curve
Figure 6. Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
Reflow Soldering
Recommended Conditions
Profile Feature
Average ramp-up rate (TL to TP)
Preheat
-Temperature Min (TS min)
-Temperature Max (TS max)
-Time (min to max) (tS)
TS max to TL
-Ramp-up Rate
Time maintained above:
-Temperature (TL)
-Time (tL)
Peak Temperature (TP)
Time within 5℃ of actual Peak Temperature (tP)
Ramp-down Rate
Time 25℃ to Peak Temperature
Pb-Free Assembly
3℃/second max.
150℃
200℃
60-180 seconds
3℃/second max.
217℃
60-150 seconds
260℃
20-40 seconds
6℃/second max.
8 minutes max.
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