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B66424

EPCOS
Part Number B66424
Manufacturer EPCOS
Description Ferrites and accessories
Published Aug 2, 2010
Detailed Description www.DataSheet4U.com Ferrites and accessories EFD 30/15/9 Core and accessories Series/Type: Date: B66423, B66424 Septemb...
Datasheet PDF File B66424 PDF File

B66424
B66424

Overview
www.
DataSheet4U.
com Ferrites and accessories EFD 30/15/9 Core and accessories Series/Type: Date: B66423, B66424 September 2006 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.
www.
DataSheet4U.
com EFD 30/15/9 Core ■ E core with flattened, lower center leg B66423 for especially flat transformer design ■ For DC/DC converters ■ Delivery mode: single units Magnetic characteristics (per set) Σ l/ A le Ae Amin Ve = 0.
99 mm–1 = 68 mm = 69 mm2 = 69 mm2 = 4690 mm3 Approx.
weight 24 g/set Ungapped Material N87 N97 AL value nH 2050 +30/–20% 2150 +30/–20% µe 1610 1690 PV W/set < 2.
6 (200 mT, 100 kHz, 100 °C) < 2.
2 (200 mT, 100 kHz, 100 °C) Ordering code B66423G0000X187 B66423G0000X197 Gapped Material N87 AL value nH 160 ±10% 250 ±10% 315 ±10% µe 125 196 246 g approx.
mm 0.
71 0.
38 0.
27 Ordering code B66423U0160K187 B66423U0250K187 B66423U0315K187 The AL value in the table applies to a core set comprising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”) Material Relationship between air gap – AL value K1 (25 °C) N87 Validity range: 125 K2 (25 °C) – 0.
712 Calculation of saturation current K3 (25 °C) 176 K4 (25 °C) – 0.
796 K3 (100 °C) K4 (100 °C) 161 – 0.
873 K1, K2: 0.
10 mm < s < 2.
00 mm K3, K4: 70 nH < AL < 630 nH Please read Cautions and warnings and Important notes at the end of this document.
2 09/06 www.
DataSheet4U.
com EFD 30/15/9 Accessories Coil former Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: H max.
operating temperature 180 °C), color code black Sumikon PM 9630 ® [E41429 (M)], SUMITOMO BAKELITE CO LTD Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3.
5 s Winding: see Data Book 2007, chapter “...


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