DATASHEET Single-Phase Filters FN 685 High-power Performance EMI Filter Rated currents from 10 to 36 A Approvals Excellent differential and common-mode attenuation Features and benefits FN 685 filters are designed for easy and fast chassis mounting FN 685 two-stage filters provide an excellent high differential and common- mode attenuation performance, based on chokes with high saturation resistance and very good thermal behavior FN 685 two-stage filters are designed for very high noise suppression over a broad frequency range Faston terminal connection with additional spade solder possibility or screw mounting connection Custom-specific versions on request Typical applications Technical specifications Electrical and electronic equipment Consumer goods Maximum continuous operating voltage 250 VAC, 50/60 Hz Power supplies Operating frequency dc to 400 Hz Building automation Rated currents 10 to 36 A 40 C max. Elevators and cranes High potential test voltage P > PE 2000 VAC for 2 sec Office automation equipment P > N 760 VAC for 2 sec Datacom equipment Temperature range (operation and storage) -25 C to +100 C (25/100/21) Flammability corresponding to UL 94 V-2 or better Design corresponding to UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 Typical electrical schematic MTBF 40C/230V (Mil-HB-217F) 400,000 hours EMC/EMI Products Schaffner Group Datasheets 2014 Filter selection table Filter* Rated current Leakage current** Inductance Capacitance Resistance Input/Output Weight 40 C (25 C) 230 VAC/50 Hz L L1 Cx Cx1 Cy R connections A A mH mH nF nF nF k kg FN 685-10-.. 10 (12) 410 4.2 0.04 470 220 4.7 330 -03 -06 1.2 FN 685-16-.. 16 (19.2) 410 2.3 0.04 470 220 4.7 330 -03 -06 1.35 FN 686-25-23 25 (30) 1900 1.35 0.04 470 220 22 330 -23 2.35 FN 686-36-23 36 (43.2) 1900 0.8 0.03 470 220 22 330 -23 2.85 * To compile a complete part number, please replace the -.. with the required I/O connection style (e.g. FN 685-10-03, FN 685-16-06). ** Maximum leakage under normal operating conditions. Note: if the neutral line is interrupted, worst case leakage could reach twice this level. Typical filter attenuation Per CISPR 17 A = 50 /50 sym B = 50 /50 asym C = 0.1 /100 sym D = 100 /0.1 sym 10 A types 16 A types 25 A types 36 A types