Summary
COSEL Power Supply, Noise Filter 2025 Product Catalog
RRipple noise attenuation type for switch mode power supplies(DC)SNA series (1A,3A)Ordering informationSNA -03 -223 -O1 2 3 41 Model Name2 Rated Current3 Line to ground capacitor code:See table 1.1.table1.1 Line to ground capacitor codeCodeLine to ground capacitor (nominal value)000Not Provided22322000pF4 OptionsD :DIN rail installation typeDIN rail installation type is option* The dimensions change when the option is set.Refer to External view.Features of SNA series (1A and 3A)Ripple noise attenuation type for switch mode power supplies(DC)-±50 VDC -Best filter for switch mode power supplies ofanalog circuits(ex. power supply filter for an operational amplifier)SpecificationsNo.ItemsSNA-01-223SNA-03-223Interface:Connector1Rated Voltage DC[V]±50 (+Vin - COM-in, -Vin - COM-in)2Rated Current DC[A]133Test Voltage (Terminal-Mounting Plate)500 VAC (Cutoff Current = 100mA), 1minute at room temperature and humidity4Isolation Resistance (Terminal-Mounting Plate)500 VDC 50MW min at room temperature and humidity5DC resistance190mW max90mW max6Operating temperature-40 to +71C (Refer to Derating Curve)7Operating humidity20 to 95%RH (Non condensing)8Storage temperature/humidity-40 to +75C/20 to 95%RH (Non condensing)9Vibration10 to 55Hz, 19.6m/s 2 (2G), 3min. Period, 1hour each X, Y and Z axis10Impact196.1m/s 2 (20G), 11ms Once each X, Y and Z axis11Safety agency approvalsUL60950-1, C-UL (CSA60950-1), EN62368-112Case size (without projection) /Weight52X35X93 mm [2.05X1.38X3.66 inches] (WXHXD) /130g max (Option : -D refer to external view)Circuit DiagramDerating CurveIN+VinCOM-in-VinCY+Co+VoutOUTCOM-out+Co-VoutLoad Factor [%]10080604020CY0-40-30-20-10040506070 71 80EMI/EMCFilterCY : Line to ground capacitor Co : Electrolytic capacitor!Expected life : 10 years: Mounting PlateAmbient Temperature [C]SN-1 ? 902 ?