title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

LHA-seriesDerating? LHA300F-12-SNYAmbient temperature derating curve(Reference value)? LHA300F-24-SNY, -48-SNYAmbient temperature derating curve(Reference value)(1)Emounting(1)A,B,C,Dmounting(2)A - Fmounting(1)D,Emounting(1)A,B,Cmounting(2)A - Fmounting100100Load factor [%]807060(1)Convection40(2)Forced air(0.5m 3 / min)20100-1001015203040506070Load factor [%]8070604020100-100(1)Convection(2)Forced air(0.5m 3 / min)102025303540506070LHAAmbient temperature [C]Ambient temperature [C]!The operating ambient temperature is different by with / without chassis cover or mounting position.!In the hatched area, the specifi cation of Ripple, Ripple Noise is different from other area.!The ambient temperature should be measured 5 to 10 cm away from the power supply so that it won’t be infl uenced by the heat from thepower supply.!Please make sure the maximum component temperature rise given in Instruction manual 3 is not exceeded.!Please contact us for more information about operating ambient temperature.Instruction Manuals◆Please see catalog and instructionmanual before you use.LHANOTICEInstruction ManualsBefore using our producthttps://www.cosel.co.jp/redirect/catalog/en/LHA/https://en.cosel.co.jp/technical/caution/index.htmlBasic Characteristics DataModelCircuit methodSwitchingfrequency[kHz] *1 *2Inputcurrent*3 [A]LHA10F Flyback converter 20 to 125 0.26InrushcurrentprotectionResistance*4MaterialPCB/PatternSinglesidedDoublesidedSeries/Paralleloperation availabilitySeriesoperationParalleloperationCEM-3 Yes - Yes NoLHA15F Flyback converter 20 to 125 0.35 Thermistor CEM-3 Yes - Yes NoLHA30F Flyback converter 30 to 130 0.62 Thermistor FR-4 - Yes Yes NoLHA50F Flyback converter 30 to 130 1.05 Thermistor FR-4 - Yes Yes NoLHA75FLHA100FLHA150FLHA300FActive filter15 to 300Flyback converter50 to 140Active filter15 to 300Flyback converter35 to 130Active filter15 to 300LLC resonant converter90 to 280Active filter15 to 300LLC resonant converter65 to 2000.9ThermistorFR-4-YesYesNo1.2ThermistorFR-4-YesYesNo1.8ThermistorFR-4-YesYesNo3.5ThermistorFR-4-YesYesNo*1 The value changes depending on input and load.*2 At light load, burst operation is performed to reduce input power. The switching frequency is changed by using condition. Please contact us for more details.*3 The value of input current is at ACIN 100V and rated load.*4 Resistance of the line filter.? 197 ?LHA-23