DFK Suppression Chokes www.schurter.com/PG81 Magnetically Compensated Choke, 1- and 3-phase Description Applications -Current compensated choke -1- or 3-phase choke -THT terminals or wire leads -Flange for mounting onto printed circuit board -Fully potted resign -Attenuation of common mode interferences -May also be used in direct current applications where magnetic compensation is required -Designed for 230/400 VAC applications Weblinks Standards pdf-datasheet, html-datasheet, General Product Information, Approvals, CE declaration of conformity, RoHS, CHINA-RoHS, REACH, e-Shop, SCHURTER-Stock-Check, Distributor-Stock-Check, Detailed request for product -EN 60938 -UL 1283 -CSA 22.2 no 8 Technical Data Rated voltage Rated Current Rated inductance Power Operating Frequency Terminal technic Weight Material: Housing Sealing Compound up to 440 VAC 0.5 - 15 A @ Ta 40 °C 1 - 20 mH, Tol. -30% +50% 50 - 400 Hz THT, Flexible wire 6 - 163 g UL 94V-0 UL 94V-0 Dimension Case 03 Test Voltage Isolation Voltage Climatic Category Allowable Operation Temp. 1.8 kV, 50 Hz, 1 min, winding to winding 2 kV eff., winding to ambient 25/100/21 acc. to IEC 60068-1 -25 °C to 100 °C Case 07 15 = 20 15 = 17.5 = = 12.5 2 15 12.5 16.5 10 4.5 ±0.5 20 EMC Products 15 4.5 ±0.5 1 DFK Suppression Chokes www.schurter.com/PG81 Case 12 Case 11 = 25 17.5 20 = 25 = = 15 2.5 17.5 15 25 4.5 ±0.5 15 Case 20 20 25 Case 25-2 40 22.5 30.8 4.8 40 = 32 27.5 33 ø8 = 32 27.5 4.5 ±0.5 15 33 Case 29-4 48 30.8 150 5.8 10...20 48 38.2 ø8 38.2 3.1 2 4.5 ±0.5 EMC Products 3.1 150 10...20 DFK Suppression Chokes www.schurter.com/PG81 Diagrams LN: Radio interference suppression choke (magnetically compensated DF) LS: Radio interference suppression choke (magnetically saturated DFS/DFL) Impedance curves DFK-175-xxxx, DFK-20-xxxxx DFK-25-xxxx, DFK-40-xxxxx z [Ω] 1M z [Ω] 1M 100k 100k 10k 10k DFK-175-0001 1k DFK-25-0001 1k DFK-25-0002 DFK-20-0001 DFK-40-0003 DFK-20-0002 100 100 DFK-40-0004 DFK-40-0005 10 10 10k 100k 1M 10M f [Hz] 1M 10M f [Hz] 10k 100k 1M 10M f [Hz] DFK-33-xxxx, DFK-48-xxxxx z [Ω] 1M 100k 10k DFK-33-0001 DFK-33-0002 DFK-48-0008 1k 100 10 10k 100k All Variants In [A] Ln [mH] Rcu [mΩ] fRES [MHz] Copper ø [mm] Weight [g] Housing Packing unit [pcs.] Order Number 0.5 10 900 0.5 0.5 6 g 03 100 DFK-175-0001 1 10 500 0.7 0.6 12 g 07 150 DFK-20-0001 1 20 500 0.5 0.6 12 g 07 150 DFK-20-0002 1 10 510 0.5 0.6 18 g 11 50 DFK-25-0001 2 10 250 0.5 0.6 18 g 12 50 DFK-25-0002 2 20 250 0.3 0.6 37 g 20 45 DFK-33-0001 3 10 150 0.38 0.6 37 g 20 45 DFK-33-0002 6 4 27 0.4 - 127 g 25-2 10 DFK-40-0003 10 2 9 1.45 - 127 g 25-2 10 DFK-40-0004 15 1 10 1.45 2.5 x 2.5 127 g 25-2 10 DFK-40-0005 6 4 x 1.5 20 0.2 1.5 x 1.5 163 g 29-4 10 DFK-48-0008 EMC Products 3 DFK In [A] Suppression Chokes www.schurter.com/PG81 Ln [mH] Rcu [mΩ] fRES [MHz] Copper ø [mm] Weight [g] Housing Packing unit [pcs.] Order Number 03.03.2015 Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER 4 EMC Products The specifications, descriptions and illustrations indicated in this document are based on current information. All content is subject to modifications and amendments. Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability and test each product selected for their own applications.