B66375G0250X187 TDK

Ferrites and accessories E80/38/20 Core Series/Type: B66375 Date: May 2017 EPCOS AG 2017. 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. E 80/38/20 Core B66375 Delivery mode: single units Magnetic characteristics (per set) 1 l/A= 0.47 mm l = 184 mm e 2 A = 390 mm e 2 A = 388 mm min 3 V = 71800 mm e Approx. weight 358 g/set Ungapped Mate- A value B * P Ordering code L e S V rial nH mT W/set N27 4150 +30/20% 1550 320 < 13.30 (200 mT, 25 kHz, 100 C) B66375G0000X127 N87 4500 +30/20% 1680 320 < 6.50 (100 mT, 100 kHz, 100 C) B66375G0000X187 N97 4700 +30/20% 1770 330 < 6.20 (100 mT, 100 kHz, 100 C) B66375G0000X197 * H = 250 A/m f = 10 kHz T = 100 C Gapped (A values/air gaps examples) L Material g A value Ordering code L e approx. mm nH N27 0.50 0.05 882 329 B66375G0500X127 N87 0.25 0.02 1440 540 B66375G0250X187 The A value in the table applies to a core set comprising one ungapped core (dimension g = 0 mm) L and one gapped core (dimension g > 0 mm). Other A values/air gaps and materials available on request see Processing remarks on page 3. L Calculation factors (for formulas, see E cores: general information) 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) N27 539 0.710 867 0.847 816 0.865 N87 539 0.710 804 0.796 806 0.873 Validity range: K1, K2: 0.20 mm < s < 5.00 mm K3, K4: 140 nH < A < 1330 nH L Please read Cautions and warnings and 2 5/17 Important notes at the end of this document.