DLF Suppression Chokes www.schurter.com/pg81_82 Linear Choke, flat design Description - Applications Linear choke THT-terminals Inductor horizontally positioned in housing SMD version on request - Standards Smoothing RFI suppression choke RFI suppression choke Chopper amplifiers DC drives and stepper motor controls Switching power supplies References - EN 60938 General Product Information Weblinks Approvals, RoHS, CHINA-RoHS, e-Store, Distributor-Stock-Check Technical Data Rated voltage Rated Current Rated inductance Power Operating Frequency Terminal technic Weight Material: Housing Sealing Compound up to 600 VDC 0.4 - A @ Ta 70 °C 0.015 - 3 mH, Tol. ±15% up to 20 kHz THT 7 - 18 g UL 94V-0 UL 94V-0 Isolation Voltage Climatic Category Allowable Operation Temp. Dimensions Case 04-1 2 kV eff., winding to ambient 40/125/21 acc. to IEC 60068-1 -40 °C to 125 °C Case 15-1 4 1 10 ±0.2 EMC Products 28.3 max. 25 ±0.2 18.2 max. 2 0.6 x 0.88 0 3.5 -0.5 3 4 15 ±0.2 0.6 x 0.88 3 27.4 max. 16.5 ±0.2 2.0 17.8 max. 12.4 ±0.2 2.2 0 3.5 -0.5 2 1 15 ±0.2 DLF Suppression Chokes www.schurter.com/pg81_82 Diagrams Application in DC-DC Converter 1) 2) 1) DC-Input unregulated 2) DC-Output regulated Derating Curves Inductance variation as function of the magnetizing current Variants In [A] Ln [mH] Rcu [mΩ] fRES [MHz] Weight [g] Housing Packing unit [pcs.] Order Number 0.4 1.5 2150 0.5 7 04-1 45 DLF-18-0001 0.6 0.65 690 1 7 04-1 45 DLF-18-0002 1.2 0.17 190 2.8 7 04-1 45 DLF-18-0003 1.5 0.11 150 8 7 04-1 45 DLF-18-0004 2 0.06 79 12 7 04-1 45 DLF-18-0005 4 0.015 17 28 7 04-1 45 DLF-18-0006 0.45 3 3300 - 18 15-1 40 DLF-28-0001 0.6 3 1700 0.3 18 15-1 40 DLF-28-0002 1 1 550 0.8 18 15-1 40 DLF-28-0003 1.5 0.5 270 1.2 18 15-1 40 DLF-28-0004 1.8 0.3 180 3.3 18 15-1 40 DLF-28-0005 3 0.1 70 7.5 18 15-1 40 DLF-28-0006 4.5 0.05 30.5 - 18 15-1 40 DLF-28-0007 7 0.02 13 20 18 15-1 40 DLF-28-0008 The specifications, descriptions and illustrations indicated in this document are based on EMC Products current information. All content is subject to modifications and amendments.