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MAGNETIC PRODUCTS
DATA SHEET
EFD25 EFD cores and accessories
Product specification File under Magnetic Products, MA01 1997 Nov 21
Philips Components
Product specification
EFD cores and accessories
CORES Effective core parameters SYMBOL (I/A) Ve Ie Ae Amin m PARAMETER core factor (C1) effective volume effective length effective area minimum area mass of core half VALUE 1.00 3300 57.0 58.0 55 8 UNIT mm-1 mm3 mm mm2 mm2 g
25 0.65 18.7 0.6 11.4 0.2 9.1 0.6 0.2
MGC342
EFD25
handbook, halfpage
12.5 0.15
9.3 0.25
5.2 0.15
Dimensions in mm.
Fig.1 EFD25 core half.
Core halves Gapped cores are available on request. Clamping force 40 20 N. GRADE 3C30 3C85 3C90 3F3 3F4 AL (nH) 1800 25% 2200 25% 2200 25% 2000 25% 1000 25% e 1450 1780 1780 1600 800 AIR GAP (m) 0 0 0 0 0 TYPE NUMBER EFD25-3C30 EFD25-3C85 EFD25-3C90 EFD25-3F3 EFD25-3F4
Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 360 320 330 315 300 f = 25 kHz; B = 200 mT; T = 100 C 0.35 0.50 0.35 - - f = 100 kHz; B = 100 mT; T = 100 C 0.38 0.60 0.38 0.38 - CORE LOSS (W) at f = 400 kHz; B = 50 mT; T = 100 C - - - 0.66 - f = 1 MHz; B = 30 mT; T = 100 C - - - - 0.70 f = 3 MHz; B = 10 mT; T = 100 C - - - - 1.10
3C30 3C85 3C90 3F3 3F4
1997 Nov 21
2
Philips Components
Product specification
EFD cores and accessories
COIL FORMERS General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EFD25
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with "UL 94V-0"; UL file number E167521(M) copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated 180 C, "IEC 85" class H
"IEC 68-2-20", Part 2, Test Tb, method 1B, 350 C, 3.5 s "IEC 68-2-20", Part 2, Test Ta, method 1
handbook, full pagewidth
0 18 0.2 0 13.1 0.1 0.1 11.7 0
0 18 0.2 (16.4 min)
5
0.05
12.5 12 0 0.2 max
0 0.1 5.5 0 6.9 0.1
22.5
3.6 10 20 25.2 max O 0.8 22.5 26.2 max 0.15 1.3 0
MGC343
Dimensions in mm.
Fig.2 EFD25 coil former; 10-pins.
Winding data for EFD25 coil former with 10-pins NUMBER OF SECTIONS 1 WINDING AREA (mm2) 40.2 MINIMUM WINDING WIDTH (mm) 16.4 AVERAGE LENGTH OF TURN (mm) 46.4
TYPE NUMBER
CSH-EFD25-1S-10P
1997 Nov 21
3
Philips Components
Product specification
EFD cores and accessories
MOUNTING PARTS General data ITEM Clip REMARKS stainless steel (CrNi); clamping force 30 N FIGURE 3
EFD25
TYPE NUMBER CLI-EFD25
handbook, halfpage
5
8
29 23.3
MGC344
4.5
Dimensions in mm.
Fig.3 EFD25 mounting clip.
1997 Nov 21
4
Philips Components
Product specification
EFD cores and accessories
DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS
EFD25
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. PRODUCT STATUS DEFINITIONS STATUS Prototype Design-in Preferred Support INDICATION DEFINITION These are products that have been made as development samples for the purposes of technical evaluation only. The data for these types is provisional and is subject to change. These products are recommended for new designs. These products are recommended for use in current designs and are available via our sales channels. These products are not recommended for new designs and may not be available through all of our sales channels. Customers are advised to check for availability.
1997 Nov 21
5
Philips Components - a worldwide company
Australia: Philips Components Pty Ltd., NORTH RYDE, Tel. (02) 9805 4455, Fax. (02) 9805 4466. Austria: Osterreichische Philips Industrie GmbH, WIEN, Tel. (01) 601 01 12 41, Fax. (01) 60 101 12 11. Belarus: Philips Office Belarus, MINSK, Tel. (5172) 200 924/733, Fax. (5172) 200 773. Benelux: Philips Nederland B.V., EINDHOVEN, NL, Tel. (+31 40) 2783 749, Fax. (+31 40) 2788 399. Brazil: Philips Components, SAO PAULO, Tel. (011) 821 2333, Fax. (011) 829 1849. Canada: Philips Electronics Ltd., SCARBOROUGH, Tel. (0416) 292 5161, Fax. (0416) 754 6248. China: Philips Company, SHANGHAI, Tel. (021) 6354 1088, Fax. (021) 6354 1060. Denmark: Philips Components A/S, COPENHAGEN S, Tel. (32) 883 333, Fax. (31) 571 949. Finland: Philips Components, ESPOO, Tel. (0) 9 615 800, Fax. (0) 9 615 80510. France: Philips Composants, SURESNES, Tel. (01) 4099 6161, Fax. (01) 4099 6493. Germany: Philips Components GmbH, HAMBURG, Tel. (040) 2489-0, Fax. (040) 2489 1400. Greece: Philips Hellas S.A., TAVROS, Tel. (01) 4894 339/(01) 4894 239, Fax. (01) 4814 240. Hong Kong: Philips Hong Kong, KOWLOON, Tel. 2784 3000, Fax. 2784 3003. India: Philips India Ltd., MUMBAI, Tel. (022) 4930 311, Fax. (022) 4930 966/4950 304. Indonesia: P.T. Philips Development Corp., JAKARTA, Tel. (021) 794 0040, Fax. (021) 794 0080. Ireland: Philips Electronics (Ireland) Ltd., DUBLIN, Tel. (01) 76 40 203, Fax. (01) 76 40 210. Israel: Rapac Electronics Ltd., TEL AVIV, Tel. (03) 6450 444, Fax. (03) 6491 007. Italy: Philips Components S.r.l., MILANO, Tel. (02) 6752 2531, Fax. (02) 6752 2557. Japan: Philips Japan Ltd., TOKYO, Tel. (0) 3 3740 5135, Fax. (0) 3 3740 5035. Korea (Republic of): Philips Electronics (Korea) Ltd., SEOUL, Tel. (02) 709 -1472, Fax. (02) 709 1480. Malaysia: Philips Malaysia SDN Berhad Components Division, PULAU PINANG, Tel. (03) 750 5213, Fax. (03) 757 4880. Mexico: Philips Components, EL PASO, U.S.A., Tel. (915) 772 4020, Fax. (915) 772 4332. New Zealand: Philips New Zealand Ltd., AUCKLAND, Tel. (09) 815 4000, Fax. (09) 849 7811. Norway: Norsk A/S Philips, OSLO, Tel. (22) 74 8000, Fax. (22) 74 8341. Pakistan: Philips Electrical Industries of Pakistan Ltd., KARACHI, Tel. (021) 587 4641-49, Fax. (021) 577 035/587 4546.
Printed in The Netherlands For all other countries apply to: Philips Components, Marketing Communications, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31-40-2724 547. COD16 (c) Philips Electronics N.V. 1997
Philippines: Philips Semiconductors Philippines Inc., METRO MANILA, Tel. (02) 816 6345, Fax. (02) 817 3474. Poland: Philips Poland Sp. z.o.o., WARSZAWA, Tel. (022) 612 2594, Fax. (022) 612 2327. Portugal: Philips Portuguesa S.A., Philips Components: LINDA-A-VELHA, Tel. (01) 416 3160/416 3333, Fax. (01) 416 3174/416 3366. Russia: Philips Russia, MOSCOW, Tel. (095) 755 6918, Fax. (095) 755 6919. Singapore: Philips Singapore Pte Ltd., SINGAPORE, Tel. 350 2000, Fax. 355 1758. South Africa: S.A. Philips Pty Ltd., JOHANNESBURG, Tel. (011) 470 5911, Fax. (011) 470 5494. Spain: Philips Components, BARCELONA, Tel. (93) 301 63 12, Fax. (93) 301 42 43. Sweden: Philips Components AB, STOCKHOLM, Tel. (+46) 8 632 2000, Fax. (+46) 8 632 2745. Switzerland: Philips Components AG, ZURICH, Tel. (01) 488 22 11, Fax. (01) 481 77 30. Taiwan: Philips Taiwan Ltd., TAIPEI, Tel. (02) 2134 2900, Fax. (02) 2134 2929. Thailand: Philips Electronics (Thailand) Ltd., BANGKOK, Tel. (02) 745 4090, Fax. (02) 398 0793. Turkey: Turk Philips Ticaret A.S., GULTEPE/ISTANBUL, Tel. (0212) 279 2770, Fax. (0212) 282 6707. United Kingdom: Philips Components Ltd., DORKING, Tel. (01306) 512 000, Fax. (01306) 512 345. United States: * Display and Wire Wound Components, ANN ARBOR, MI, Tel. (313) 996 9400, Fax. (313) 761 2776. * Magnetic Products, SAUGERTIES, NY, Tel. (914) 246 2811, Fax. (914) 246 0487. * Passive Components, SAN JOSE, CA, Tel. (408) 570 5600, Fax. (408) 570 5700. Yugoslavia (Federal Republic of): Philips Components, BELGRADE, Tel. (0) 11 625 344/373, Fax. (0) 11 635 777.
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.

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