stda20 b series 20w desktop power supply for i.t. equipment C wide input voltage 90 to 264 vac, 47 to 63hz C iec - 320 - c8 input inlet C output voltage available from 5vdc thru 48vdc C approved as limited power source (lps), splash proof C class ii insulation C input surge current, over voltage, and over current protection. C energy star 2.0, cec v, and rohs compliance 3 year warranty approvals: single output model number output voltage max. output current total regulation maximum output power stda20 b - s02 5 ~ 6 vdc 3.00 ~ 2.50 a 5% 15w stda 20 b - s05 11 ~ 13 vdc 1.81 ~ 1.53 a 4% 20w stda 20 b - s06 13 ~ 16 vdc 1.53 ~ 1.25 a 4% 20w stda 20 b - s08 21 ~ 27 vdc 0.95 ~ 0.74 a 3% 20w stda 20 b - s09 27 ~ 33 vdc 0.74 ~ 0.60 a 3% 20w stda 20 b - s11 40 ~ 48 vdc 0.50 ~ 0.41 a 3% 20w the output voltage under 15v had been approved by tuv/pse. to achieve the total regulation at per model the output cable awg#18/4ft is adopt. the regulation will be changed by modified output cable. electrical characteristics parameter test conditions min. typ. max. unit input voltage operating voltage 90 264 vac input frequency 47 63 hz output power range vin=90 to 264vac 0 20 w input current (low line) io=full load, vin=115vac 0.4 a input current (high line) io=full load, vin=230vac 0.25 a low line inrush current io=full load, 25c, cool start, vin=115vac 12 15 a high line inrush current io=full load, 25c, cool start, vin=230vac 26 30 a efficiency io=full load, vin=230vac 75 85 95 % line regulation io=full load 0.5 1 % load regulation vin=230vac 1 3 5 % over voltage protection nil % over current protection 110 150 % transient response io=full load to half load, vin=100vac 4 ms hold - up time io=full load, vin=110vac 12 14 16 ms start up time io=full load, vin=100vac 0.25 0.5 s ripple & noise (peak to peak) full load, vin=90vac 0.5 1 % safety ground leakage current io=full load, vin=240vac 0.5 0.75 ma temperature coefficient all output - 0.04 0.04 %/c no - load power consumption no load, vin=240vac 0 0. 3 w conditions parameter test conditions min. typ. max. unit operating temperature 0 40 70 c storage temperature - 40 85 c relative humidity 5 95 % operation temperature at 25 , calculated per mil - hdbk - 217f 300 khrs derate linearly from 100% load at 4 0c to 50% load at 70c
approvals and compliances parameter test conditions min. unit dielectric withstanding voltage for primary to secondary primary to secondary 4242 vdc dielectric withstanding voltage for primary to ground primary to ground 2121 vdc isolation resistance test voltage = 5 00vdc 50 m emi requirements for cispr - 22 vin=220vac b class emi requirements for fcc part - 1 5 vin=110vac b class mechanical and pin out note: 1. dimensions are shown in mm & inch 2. weight: approx. 170g (exclude the input cord) 3. optional output connector
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