title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

DC-DC Converters Bus Converter . Power Module TypeInstruction Manual(a)PowerSupplyPowerSupply4.2 Redundancy operation!Parallel operation is not possible.!Redundancy operation is available by wiring as shown below.!Even a slight difference in output voltage can affect the balancebetween the values of I1 and I2.Please make sure that the value of I3 does not exceed the ratedcurrent of a power supply.I3LoadFig. 4.1 Examples of series operation+S+VOUT-VOUT-S+S+VOUT-VOUT-S5 CleaningII(b)PowerSupplyPowerSupply1 I32the rated current valueLoadFig. 4.2 Example of Redundancy OperationLoadLoad+S, -S : DHS200/2506 Lifetime expectancy depends onstress by temperature difference!Regarding lifetime expectancy design of solder joint, followingcontents must be considered.It must be careful that the soldering joint is stressed by temperaturerise and down which is occurred by self-heating and ambienttemperature change.The stress is accelerated by thermal-cycling, therefore the temperaturedifference shoud be minimized as much as possible iftemperature rise and down is occurred frequently.!Product lifetime expectancy depends on the aluminum base platecentral temperature difference (DTc) and number of cycling in aday is shown in Fig.6.1.If the aluminum base plate center part temperature changes frequentlyby changing output load factor etc., the above the lifetimeexpectancy design should be applied as well.Please contact us for details.Lifetime expectancy [years]1051time ON/OFF /1day2times ON/OFF /1day3times ON/OFF /1day4times ON/OFF /1day5times ON/OFF /1day025 30 35 40 45 50 55 60 65 70The aluminum base plate central temperature differenceDTc [C]Fig6.1 Lifetime expectancy against rise/fall temperature difference!Clean the soldered side of the power module with a brush.Prevent liquid from getting into the power module. Do not clean bysoaking the power module into liquid.!Do not allow solvent to come in contact with product labels or resincases as this may change the color of the resin case or causedeletion of the letters printed on the product label.!After cleaning, dry the power modules well.DHS-22