title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

AC-DC Power Supplies Bus Converter . Power Module TypeTUNS300F, TUNS500F, TUNS700F, TUNS1200FInstruction ManualAC INF1NoisefilterFGC150mm+S+VOUTAC1 TUNS300FTUNS500F+TUNS700F CoAC2 TUNS1200F-VOUTFG R +BC -BC -S1.5mTFR1+ C2C350WCbc CY1CoaxialCableC4C4 :TUNS300F/500F/700F12V 10mF28V 4.7mF48V 2.2mFTUNS1200F1.0mFLoadRCOscilloscopeBW:100MHzR=50WC=0.01mFFig.2.1 Method of Measuring Output Ripple and Ripple Noise2.3 Wiring +BC/-BC pins(1) Cbc : Smoothing capacitor for boost voltage!In order to smooth boost voltage, connect Cbc between +BC and-BC. Recommended capacitance of Cbc is shown in Table2.4.!Note that +BC and -BC terminals have high voltage (DC380V typ).!When the input voltage is AC264V or higher, the voltage between+BC, R and -BC will rise to about 430V.!Keep the capacitance within the allowable external capacitance.!Select a capacitor of which the boost voltage ripple voltage doesnot exceed 30Vp-p.!When the power supply is operated under -20C, it may makethe boost voltage unstable due to the characteristic of equivalentseries resistor. Please choose the capacitor which has more thanrecommended capacitance.Table 2.4 Recommended capacitance CbcNo.ModelVoltageCbcAllowablecapacitance range1TUNS300F470μF390 to 2200μF2 TUNS500F 390μFX2 390 to 2200μFDC420V3 TUNS700F or more 390μFX2 470 to 2200μF4TUNS1200F(85 to 264Vin)470μFX3780 to 3300μF5470μFX3780 to 2200μF(2) C2, C3 : Capacitor for boost voltage!Install external capacitors C2, C3 with capacitance shown in table2.5.!If capacitors C2, C3 are not installed, it may cause the failure ofthe power supply or external components.Table 2.5 Recommended capacitance C2 and C3No.ModelVoltageCapacitanceRated ripplecurrent1TUNS300F1μF or more3A or more2 TUNS500F 1μF or more 3A or moreDC450V3 TUNS700F or more 1μF or more 3A or more4TUNS1200F(85 to 264Vin)2μF or more5A or more52μF or more5A or more(3) TFR1 : Inrush current limiting resistor 4.7ohm - 22ohm!Connect a resistor between R pin and +BC pin for inrush currentprotection. The surge capacity is required for TFR1, pleasecontact component mfg. Wirewound resistor with thermal cut-offstype is required.3 Function3.1 Input voltage range?TUNS300F/500F/700F!The input voltage range is from 85 VAC to 264 VAC.!In cases that conform with safety standard, input voltage range isAC100-AC240V(50/60Hz).?TUNS1200F!The input voltage range is from 85 VAC to 305 VAC.!In cases that conform with safety standard, input voltage range isAC100-AC277V (50/60Hz).Remarks:Be aware that use of voltages other than those listed above mayresult in the unit not operating according to specifi cations, or maycause damage. Avoid square waveform input voltage, commonlyused in UPS and inverters.3.2 Overcurrent protection?TUNS300F/TUNS700F/TUNS1200!Overcurrent protection is built-in and comes into effect over 105%of the rated current.Overcurrent protection prevents the unit from short circuit andovercurrent condition. The unit automatically recovers when thefault condition is cleared.!When the output voltage drops at overcurrent, the average outputcurrent is reduced by hiccup operation of power supply.?TUNS500F!Overcurrent protection is built-in and comes into effect over 101%of the peak current.Overcurrent protection prevents the unit from short circuit andovercurrent condition. The unit automatically recovers when thefault condition is cleared.!When the output voltage drops at overcurrent, the average outputcurrent is reduced by hiccup operation of power supply.3.3 Peak current protection?TUNS500F!Peak current protection is built-in. When the power supply is operatedover peak load based on section 7 (Peak current), this functioncomes into effect and reduce the output.!A few seconds later, a unit automatically recovers. But if the overcurrentcondition has not been released, the output will reducedagain (hiccup operation mode).TUNS-24