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S4040RQ2TP Fiches technique(PDF) 5 Page - Littelfuse |
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S4040RQ2TP Fiches technique(HTML) 5 Page - Littelfuse |
5 / 8 page Revised: 12/09/15 Specifications are subject to change without notice. ©2015 Littelfuse, Inc Teccor® brand Thyristors 40 Amp Low T q SCR S4040xQx Series 10 100 1000 110100 1000 Surge Current Duration -- Full Cycles Figure 12: Surge Peak On-State Current vs. Number of Cycles SUPPLY FREQUENCY: 60 Hz Sinusoidal LOAD: Resistive RMS On-State Current: [I T(RMS)]: Maximum Rated Value at Specified Case Temperature Notes: 1. Gate control may be lost during and immediately following surge current interval. 2. Overload may not be repeated until junction temperature has returned to steady-state rated value. Soldering Parameters Reflow Condition Pb – Free assembly Pre Heat -Temperature Min (T s(min)) 150°C -Temperature Max (T s(max)) 200°C -Time (min to max) (t s) 60 – 180 secs Average ramp up rate (LiquidusTemp) (T L) to peak 5°C/second max T S(max) to TL - Ramp-up Rate 5°C/second max Reflow -Temperature (T L) (Liquidus) 217°C -Temperature (t L) 60 – 150 seconds PeakTemperature (T P) 260+0/-5 °C Time within 5°C of actual peak Temperature (t p) 20 – 40 seconds Ramp-down Rate 5°C/second max Time 25°C to peakTemperature (T P) 8 minutes Max. Do not exceed 280°C Time TP TL TS(max) TS(min) 25 tP tL tS time to peak temperature Preheat Preheat Ramp-up Ramp-up Ramp-down Ramp-do 5 |
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