title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

CQHS-seriesImplementation・Mounting Method?CQHS250!Avoid placing pattern layout in hatched area shown in right fi gure to insulatebetween pattern and power supply.5.0+VINRC-VIN48.5+VOUT+STRM-S-VOUT?CQHS300/CQHS350!Soldering CQHS series with printed board must be done under the fl at conditionMounting holeby using the mounting hole and fi xing with the screw.StandardM3 tappedIf CQHS series is inclined and it’s mounted, the insulation of the internal componentsOptional : -Tf3.4 thruand printed board might not be kept.!When a heat sink cannot be fixed on the base plate side, order the powermodule with“-T”option. A heat sink can be mounted by affi xing a M3 tap onthe heat sink.Please make sure a mounting hole will be connected to a grounding capacitorCY.Stress onto the pins!Applying excessive stress to the input or output pins of the power module may damage internal connections. Avoid applying stressin excessof that shown in below.!Input and output pins are soldered onto the internal PCB. Do not bend or pull the leads with excessive force.?CQHS250?CQHS300/CQHS350-VINRC+VIN+VOUT, -VOUT-VOUT-STRM+S+VOUTOthers-VINRC+VIN-VOUT-STRM+S+VOUTLess than19.6N(2kgf)Less than19.6N(2kgf)Less thanLess than19.6N19.6N+VOUT, -VOUTOthersLess than39.2N(4kgf)Less than39.2NLess than19.6N(2kgf)Less than19.6N(2kgf)Less than9.8N(1kgf)Less than9.8N(1kgf)Less than39.2N(4kgf)Less than19.6N(2kgf)?CQHS300/CQHS350!As unexpected stress may be applied to the pins, set the diameter of the PCB mounting hole at 3.5mm.!As unexpected stress may be applied to the pins from vibration or shock, fi x the power module by using the mounting holes screws to reducestress.!Fix the power module to the PCB with the screws before soldering the input and output pins to prevent the PCB pattern being damaged.Soldering temperature!Flow soldering: 260C for up to 15 seconds.!Soldering iron (26W): 450C for up to 5 seconds.CQHS-9