title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

RDC-DC Converters Bus Converter . Power Module TypeCQHS300Ordering informationCQH S 300 48 50 -O1 2 3 4 5 6*Providing heat sinkas option1 Series name2 Single output3 Output wattage4 Input voltage48:DC36 - 76V5 Output voltage6 OptionalR : with Remote ON/OFFPositive logic controlT : with Mounting holef3.4 thruCQHSMODELCQHS3004832CQHS3004850MAX OUTPUT WATTAGE[W]300.8300DC OUTPUT32V 9.4A50V 6ASPECIFICATIONSMODELCQHS3004832CQHS3004850VOLTAGE[V]DC36 - 76CURRENT[A]*16.67typ6.65typINPUTEFFICIENCY[%]*194typ94typSTART-UP VOLTAGE[V]DC32 - 36HYSTERESIS VOLTAGE[V]DC2 minVOLTAGE[V]3250CURRENT[A]9.46.0LINE REGULATION[mV]64max100maxLOAD REGULATION[mV]64max100max-20 to +100C *2255max400maxRIPPLE[mVp-p]-40 to -20C *2Vin=36-60V320max500maxOUTPUTPROTECTIONCIRCUIT ANDOTHERSISOLATIONENVIRONMENT-40 to -20C *2Vin=60-76V400max500maxRIPPLE NOISE[mVp-p]TEMPERATURE REGULATION[mV]DRIFT[mV]*3120max185maxSTART-UP TIME[ms]200max (DCIN 48V, Io=100%)OUTPUT VOLTAGE ADJUSTMENT RANGE[V] *4Fixed (TRM pin open), adjustable by external resistor27.2 - 35.2 45.0 - 55.0OUTPUT VOLTAGE SETTING[V] *131.68 - 32.3249.50 - 50.50OVERCURRENT PROTECTIONWorks over 105% of rating, low voltage protection (shut down) function is built-in.OVERVOLTAGE PROTECTION[V]36.80 - 44.8056.50 - 67.50REMOTE SENSINGProvidedREMOTE ON/OFFProvided (Negative Logic L : ON, H :OFF)INPUT-OUTPUTDC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C)INPUT-BASE PLATEDC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C)OUTPUT-BASE PLATEAC500V 1minute, Cutoff current = 100mA, DC500V 50MW min (20±15C)OPERATING TEMP.,HUMID.AND ALTITUDE-40 to +100C (On aluminum base plate), 20 - 95%RH (Non condensing) (Refer to“Derating”), 3,000m (10,000 feet) maxSTORAGE TEMP.,HUMID.AND ALTITUDE-40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000 feet) maxVIBRATION10 - 55Hz, 49.0m/s 2 (5G), 3minutes period, 60minutes each along X, Y and Z axisIMPACT196.1m/s 2 (20G), 11ms, once each along X, Y and Z axisSAFETY AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN62368-1CASE SIZE/WEIGHT 57.9X12.7X36.8mm [2.28X0.5X1.45 inches] (WXHXD) / 75g maxOTHERSCOOLING METHOD Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink)*1 At rated input(DC48V), rated load, and aluminum base plate temperature 25C.*2 Ripple and ripple noise is measured by using measuring board with recommended capacitor Co & the film capacitor 0.1mF.*3 Drift is the change in DC output for an eight hour period after a half-hour warm-up at 25C, with the input voltage held constant at the rated input/output.*4 When the input voltage is in the range of DC36-40V, output voltage is limited. Refer to the manual.CQHS-4? 522 ?