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E 42/21/20 Core
I In accordance with IEC 61246 I E cores are supplied as single units
B66329
Magnetic characteristics (per set)
l/A le Ae A min Ve
= 0,41 mm-1 = 97 mm = 234 mm2 = 229 mm2 = 22 700 mm3
Approx. weight 116 g/set
Ungapped Mate- AL value nH rial N27 N87
e
A L1min P V nH W/set
Ordering code
4750 + 30/- 20 % 1560 3800 5200 + 30/- 20 % 1690 3800
< 4,40 (200 mT, 25 kHz, 100 C) B66329-G-X127 < 12,00 (200 mT, 100 kHz, 100 C) B66329-G-X187
Gapped Mate- g rial mm N27 0,25 0,02 0,50 0,05 1,00 0,05 1,50 0,05 AL value approx. nH 1029 603 354 259
e
338 198 116 85
Ordering code B66329-G250-X127 B66329-G500-X127 B66329-G1000-X127 B66329-G1500-X127
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).
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: 354 354 K2 (25 C) - 0,770 - 0,770 Calculation of saturation current K3 (25 C) 574 555 K4 (25 C) - 0,847 - 0,796 K3 (100 C) K4 (100 C) 534 521 - 0,865 - 0,873
K1, K2: 0,10 mm < s < 3,00 mm K3, K4: 160 nH < A L < 1500 nH 427 08/01
E 42/21/20 Accessories
Coil former Material: GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 C), color code black 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 "Processing Notes", page 159 Sections 1 AN mm2 172 lN mm 100 A R value 20 Pins 18 Ordering code B66243-A1018-T1
B66243
Hole arrangement View in mounting direction
428 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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