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ETD 54/28/19 Core
I In accordance with IEC 61185 I For SMPS transformers with optimum
B66395
weight/performance ratio at small volume
I ETD cores are supplied as single units
Magnetic characteristics (per set)
19,3 _ 0,8
l/A le Ae A min Ve
= 0,45 mm-1 = 127 mm = 280 mm2 = 280 mm2 = 35 600 mm3
27,8 _ 0,4 19,8+0,8
19,3 _ 0,8
Approx. weight 180 g/set
40,1+2,2 54,51,3
FEK0065-W
Ungapped Material N27 N87 N97 1) AL value nH
e
A L1min P V nH W/set
Ordering code
4200 + 30/- 20 % 1510 3470 4450 + 30/- 20 % 1600 3470 4600 + 30/- 20 % 1650 3470
B66395-G-X127 < 6,66 (200 mT, 25 kHz, 100 C) < 21,00 B66395-G-X187 (200 mT, 100 kHz, 100 C) < 18,00 B66395-G-X197 (200 mT, 100 kHz, 100 C)
Gapped Material g mm N27, N87 0,20 0,02 1,00 0,05 1,50 0,05 2,00 0,05 A L value approx. nH 1377 393 287 229
e
Ordering code ** = 27 (N27) ** = 87 (N87) B66395-G200-X1** B66395-G1000-X1** B66395-G1500-X1** B66395-G2000-X1**
496 141 103 82
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
494 08/01
ETD 54/28/19 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: 393 393 K2 (25 C) - 0,779 - 0,779 Calculation of saturation current K3 (25 C) 658 630 K4 (25 C) - 0,847 - 0,796 K3 (100 C) K4 (100 C) 615 603 - 0,865 - 0,873
B66395
K1, K2: 0,10 mm < s < 3,50 mm K3, K4: 140 nH < A L < 1390 nH
495 08/01
ETD 54/28/19 Accessories
Coil former GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085: B66396A: F max. operating temperature 155 C, color code black (Pocan B4235; [E 41613 (M)]; Bayer) B66396W: 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 data book 2001, Processing Notes, page 158 Yoke Sections 1 Material: Stainless spring steel (0.4 mm) AN mm2 315.6 lN mm 96 AR value 10.5 Pins 22 Ordering code B66396A1022T001 B66396W1022T001 B66396A2000 Yoke
19,30,2
B66396
Material:
Yoke (ordering code per piece, 2 are required) Coil former
61,6 max. 39,15 min. 22 max. 19,8 min.
61,4 max. 39,4 max.
_ 0,2 59,7 +0,5
36,8 min.
4,50,5
46 max.
o1 o1,6+0,15
11,70,3
FEK0362-Q
11 x 5,08 = 55,88
45,72
Hole arrangement View in mounting direction
o3,4+0,15 fixing with sheet-steel screw (for fixing with sheet-steel screw DIN 7971-St 2.9 x 6.5-C) DIN 7971-St 2,9 x 6,5-C)
FEK0416-T
EPCOS AG 2001. Reproduction, publication and dissemination of this brochure 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.
496 08/01
Herausgegeben von EPCOS AG Marketing Kommunikation, Postfach 80 17 09, 81617 Munchen, DEUTSCHLAND EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfaltigung, Veroffentlichung, Verbreitung und Verwertung dieser Broschure und ihres Inhalts ohne ausdruckliche Genehmigung der EPCOS AG nicht gestattet. Mit den Angaben in dieser Broschure werden die Bauelemente spezifiziert, keine Eigenschaften zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen fur Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschure ersetzt die vorige Ausgabe. Fragen uber Technik, Preise und Liefermoglichkeiten richten Sie bitte an den Ihnen nachstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente konnen aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskunfte daruber bitten wir unter Angabe des betreffenden Typs ebenfalls uber die zustandige 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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