specification s-250-5 s-250-12 s-250-15 S-250-24 s-250-27 model dc voltage rated current current range rated power output voltage adj. range line regulation load regulation setup, rise time hold time (typ.) voltage range frequency range efficiency (typ.) ac current (typ.) input inrush current (typ.) leakage current safety standards safety & emc withstand voltage isolation resistance working temp. working humidity storage temp., humidity temp. coefficient vibration mtbf dimension others note packing over load over voltage 5v 40a 0 ~ 40a 200w 80mvp-p 4.75 ~5.5v 2.0% 0.5% 1.0% 800ms, 50ms at full load 19ms at full load 47 ~ 63hz 74% 4.8a/115vac 2.8a/230vac cold start 45a/230vac <2ma / 240vac 105 ~ 135% rated output power 5.75 ~ 6.75v 13.8 ~ 16.2v 17.25 ~ 20.25v 27.6 ~ 32.4v 31.05 ~ 36.45v 55.2 ~ 64.8 v protection type : hiccup mode, recovers automatically after fault con dition is removed protection type : hiccup mode, recovers automatically after fault co ndition is removed ul60950-1 approved i/p-o/p:3kvac i/p-fg:1.5kvac o/p-fg:0.5kvac i/p-o/p, i/p-fg, o/p-fg:100m ohms/500vdc -10 ~ +60 (refer to output load derating curve) ! 20 ~ 90% rh non-condensing -20 ~ +85 , 10 ~ 95% rh ! ! ! 0.03%/ (0 ~ 50 ) 10 ~ 500hz, 2g 10min./1cycle, 60min. each along x, y, z axes 238.9k hrs min. mil-hdbk-217f (25 ) ! 150*140*86mm (l*w*h) 1.3kg; 8pcs/11kg/0.97cuft 79% 80% 81.5% 82% 82% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 1.0% 1.0% 1.0% 1.0% 1.0% 120mvp-p 10.8 ~13.2v 120mvp-p 13.5 ~ 16.5v 120mvp-p 21.6 ~ 26.4v 150mvp-p 24.3 ~ 29.7v 200mvp-p 43.2 ~ 52.8v 12v 18a 0 ~ 18a 216w 15v 15a 0 ~ 15a 225w 24v 10a 0 ~ 10a 240w 27v 9a 0 ~ 9a 243w 48v 5.2a 0 ~ 5.2a 249.6w 1. all parameters not specially mentioned are measured at 230vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. tolerance : includes set up tolerance, line regulation and load regula tion. ! file name:s-250-spec 2007-10-25 s-250-48 90 ~ 132vac / 176 ~ 264vac selected by switch 248~370vdc ## # # # # # # ac input range selected by switch protections: short circuit / overload / over voltage forced air cooling by built-in dc fan 100% full load burn-in test fixed switching frequency at 60khz low cost high reliability 2 years warranty " features : s - 2 5 0 s e r i e s ripple & noise (max.) note.2 voltage tolerance note.3 environment protection 250w single output switching power supply
mechanical specification derating curve static characteristics file name:s-250-spec 2007-10-25 case no. 907c unit:mm ambient temperature ( ) ! input voltage (v) 60hz 90 176 95 180 100 105 185 110 195 115 205 120 215 125 230 130 245 260 132 264 100 90 80 70 60 50 load (%) ta=25 ! -10 0 10 20 30 40 50 60 (horizontal) 20 40 60 80 100 load(%) 250w single output switching power supply s - 2 5 0 s e r i e s block diagram fosc : 60khz circuit detection o.l.p. emi filter rectifiers & filter power switching filter & rectifiers +v -v i/p fg pwm control o.v.p. 230 115 air flow direction 4- 2.6 3- 2.6 6 29.5 27.5 84 15 9 25 140 150 138 12 max. 6 6 64 124 84 2- 4 8 20 12 5.5 110 96 10.5 7 14 4 6 8 9.5 1 2 3 4 5 6 7 8 9 +v adj led 5- 2.6 2- 2.6 25 86 8 84 33 150 60.5 9 84 125 28 terminal pin no. assignment pin no. pin no. 1 4,5,6 7,8,9 23 assignment assignment fg ac/l ac/n dc output -v dc output +v
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