Ferrites and accessories EELP 38, EILP 38 Core set (with and without clamp recess) Series/Type: B66289G, B66289K, B66459G, B66459K Date: April 2016 a~~=pa~~=p EPCOS AG 2016. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company. ELP 38/8/25 Core (with clamp recess) B66289 Core set EELP 38 ELP 38/8/25 Combination: ELP 38/8/25 with ELP 38/8/25 To IEC 62317-9 Delivery mode: single units Magnetic characteristics (per set) 1 6 l/A = 0.27 mm l = 52.4 mm e 2 A = 194 mm e 2 A = 192 mm min 3 V = 10200 mm e Approx. weight 52 g/set Ungapped Material A value P B * P Ordering code L e S V nH mT W/set (per piece) N49 4850 r 25% 1040 250 < 2.60 ( 50 mT, 500 kHz, 100 C) B66289G0000X149 N92 5400 r 25% 1160 350 < 6.65 (200 mT, 100 kHz, 100 C) B66289G0000X192 N87 7200 r 25% 1550 300 < 6.05 (200 mT, 100 kHz, 100 C) B66289G0000X187 N97 7400 r 25% 1590 310 < 5.15 (200 mT, 100 kHz, 100 C) B66289G0000X197 * H = 250 A/m f = 10 kHz T = 100 C Calculation factors (for formulas, see E cores: general information ) EELP 38: Material Relationship between Calculation of saturation current air gap A value L K1 (25 C) K2 (25 C) K3 (25 C) K4 (25 C) K3 (100 C) K4 (100 C) N87 302 0.815 522 0.796 466 0.873 Validity range: K1, K2: 0.10 mm < s < 2.00 mm K3, K4: 180 nH < A < 1500 nH L Please read Cautions and warnings and 2 04/16 Important notes at the end of this document.