This part is a kind of semiconductor called B66413.

Function of this product has Ferrites and accessories.

Manufacturers : EPCOS

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Some of the text within the PDF file :

Ferrites and accessories EFD 15/8/5 Core and accessories Series/Type: Date: B66413, B66414 September 2006/June 2007 Data Sheet  EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the information contained therein without EPCOS’ prior express consent is prohibited. EFD 15/8/5 Core ■ E core with flattened, lower center leg ■ For DC/DC converters ■ Delivery mode: single units B66413 15±0,4 g 7,5±0,15 2,4±0,1 for especially flat transformer design Magnetic characteristics (per set) Σ l/ A le Ae Amin Ve = 2.27 mm–1 = 34 mm = 15 mm2 = 12.2 mm2 = 510 mm3 4,65±0,15 Approx. weight 2.8 g/set 5,3±0,15 11±0,35 FEK0417-2 Ungapped Material N49 N87 N97 AL value nH 600 +30/–20% 780 +30/–20% 820 +30/ [ ... ]

B66413 PDF Datasheet Download