ETD 49/25/16 Core
I In accordance with IEC 61185 I Quality assurance per UTE 83313-004/
B66367
CECC 25 301-004 (material N27)
I For SMPS transformers with optimum
weight/performance ratio at small volume
I ETD cores are supplied as single units
Magnetic characteristics (per set)
24,9 _ 0,4 17,7+0,8
Σl/A le Ae A min Ve
16,7 _ 0,8
16,7 _ 0,8
= 0,54 mm–1 = 114 mm = 211 mm2 = 209 mm2 = 24 100 mm3
36,1+1,8
_ 0,9 48,5 +1,3
FEK0061-Y
Approx. weight 124 g/set
Ungapped Material N27 N87 N97 1) AL value nH
µe
A L1min P V nH W/set
Ordering code
3700 + 30/– 20 % 1590 2910 3800 + 30/– 20 % 1630 2910 3900 + 30/– 20 % 1680 2910
< 4,59 B66367-G-X127 (200 mT, 25 kHz, 100 °C) < 12,40 B66367-G-X187 (200 mT, 100 kHz, 100 °C) < 10,60 B66367-G-X197 (200 mT, 100 kHz, 100 °C)
Gapped Material g mm N27, N87 0,20 ± 0,02 0,50 ± 0,05 1,00 ± 0,05 2,00 ± 0,05 A L value approx. nH 1035 525 314 188
µe
Ordering code ** = 27 (N27) ** = 87 (N87) B66367-G200-X1** B66367-G500-X1** B66367-G1000-X1** B66367-G2000-X1**
444 225 135 81
The A L value in the table applies to a core set comprising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0).
1) Preliminary data
491 08/01
g
ETD 49/25/16 Core
Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap – A L value K1 (25 °C) N27 N87 Validity range: 314 314 K2 (25 °C) – 0,741 – 0,741 Calculation of saturation current K3 (25 °C) 504 485 K4 (25 °C) – 0,847 – 0,796 K3 (100 °C) K4 (100 °C) 470 460 – 0,865 – 0,873
B66367
K1, K2 : 0,10 mm < s < 3,50 mm K3, K4 : 120 nH < A L < 1160 nH
492 08/01
ETD 49/25/16 Accessories
B66368
Coil former (magnetic axis horizontal) Material: GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085: B66368B: F = max. operating temperature 155 °C, color code black (Valox 420SE0; [E 45329 (M)]; General Electric Plastics) B66368W: H = max. operating temperature 180 °C, color code black (Rynite FR530; [E 69578 (M)]; E I DUPONT DE NEMOURS & CO INC) 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 databook 2001, chapter Processing Notes, page 158 Yoke
Sections 1
Material: Stainless spring steel (0.4 mm)
AN (mm²) 269.4 lN (mm) 86 AR value (µΩ) Pins 11 20 Ordering code B66368B1020T001 B66368W1020T001 B66368A2000
Yoke (ordering code per piece, 2 are required)
Coil former
54,5 max. 35,5 min. 19,3 max. 17 min.
Yoke
40,9 max.
_ 0,2 53,5 +0,5
56,2 max. 35,4 max. 32,7 min.
4,5±0,5
16,5±0,2
0,8 9 x 5,08 = 45,72
FEK0415-K
10,8±0,3
FEK0206-9
Hole arrangement View in mounting direction
EPCOS AG 2003. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
FER PMD ZUB E Page 1 of 1
40,64±0,05
1,6+0,15
18.09.03
Herausgegeben von EPCOS AG Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet. Mit den Angaben in dieser Broschüre werden die Bauelemente spezifiziert, keine Eigenschaften zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen.
Published by EPCOS AG Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.
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