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COSEL Power Supply, Noise Filter 2025 Product Catalog
LFA-seriesAssembling and Installation MethodInstallation method!This power supply is manufactured by SMD technology.The stressto P.C.B like twisting or bending causes the defect of the unit, sohandle the unit with care.CN1d2d1= 8mm min!In case of metal chassis, keep the distance between d1 & d2 forto insulate between lead of component and metal chassis, use thespacer of 8mm or more between d1. If it is less than d1 & d2, insertthe insulation sheet between power supply and metal chassis.CN1d2d2LFAd2d2 = 4mm mind2!There is a possibility that it is not possible to cool enough whenthe power supply is used by the sealing up space as showing inright figure.Please use it after confi rming the temperature of pointA and point B of Instruction Manual 3.!(F) mounting is not possible when unit is with case cover, but ifneed to operate unit by (F) positioning with case cover, temperature/ load derating is necessary. For more details, please contactour sales or engineering departments.CN1StandardPositionCasePower supply(A) (B) (C)CN1CN1(D)(E)(F)CN1CN1CN1Mounting screw!The mounting screw should be M3. The hatched area shows the allowance of metal parts for mounting.? LFA10F, LFA15F ? LFA30F, LFA50F, LFA75F, LFA100F, LFA150F8888CN1? LFA240F, LFA300F 8 8888CN188Unit [mm]88Unit [mm]88 8CN1, TB1888888 Unit [mm]!If metallic fi ttings are used on the component side of the board,ensure there is no contact with surface mounted components.!This product uses SMD technology.Please avoid the PCB installation method which includes the twisting stress or the bending stress.*Recommendation to electrically connect FG to metal chassis for reducing noise.LFA-20? 230 ?
