d a t a sh eet supersedes data of february 2002 2004 sep 01 ferroxcube EC70 ec cores and accessories
2004 sep 01 2 ferroxcube ec cores and accessories EC70 core sets effective core parameters symbol parameter value unit (i/a) core factor (c1) 0.514 mm ? 1 v e effective volume 40100 mm 3 i e effective length 144 mm a e effective area 279 mm 2 a min minimum area 211 mm 2 m mass of core half 127 g handbook, halfpage mgc407 34.5 0.15 16.4 0.4 44.5 1.2 71.7 max 16.4 0.4 22.75 0.45 fig.1 EC70 core half. dimensions in mm. core halves a l measured in combination with an non-gapped core half, unless stated otherwise. note 1. measured in combination with an equal gapped core half (symmetrical air gap). properties of core sets under power conditions grade a l (nh) e air gap ( m) type number 3c81 250 3% (1) 102 1830 EC70-3c81-e250 315 3% (1) 130 1370 EC70-3c81-e315 400 3% (1) 165 1020 EC70-3c81-e400 630 5% 256 580 EC70-3c81-a630 1000 10% 406 320 EC70-3c81-a1000 4000 1620 0 EC70-3c81 3c90 250 3% (1) 102 1830 EC70-3c90-e250 315 3% (1) 130 1370 EC70-3c90-e315 400 3% (1) 165 1020 EC70-3c90-e400 630 5% 256 580 EC70-3c90-a630 1000 10% 406 320 EC70-3c90-a1000 3900 25% 1580 0 EC70-3c90 grade b (mt) at core loss (w) at h=250a/m; f = 25 khz; t = 100 c f = 25 khz; = 200 mt; t = 100 c f=100khz; = 100 mt; t=100 c 3c81 330 8.2 ? 3c90 330 4.9 5.1 b ? b ?
2004 sep 01 3 ferroxcube ec cores and accessories EC70 coil formers general data 8-slots EC70 coil former for insertable pins winding data 8-slots EC70 coil former for insertable pins; see note 1 note 1. coil formers with inserted pins are available on request. parameter specification coil former material polyamide (pa6.6), glass-reinforced, flame retardant in accordance with ?ul 94v-0? ; ul file number e44716(m) maximum operating temperature 130 c, ?iec 60 085?, class b number of sections minimum winding area (mm 2 ) nominal winding width (mm) average length of turn (mm) type number 1 465 41.5 97.3 cp-EC70-1s 51.4 0.25 56.5 0.25 50.8 0.64 41.45 0.25 19.5 0.13 56.5 0.25 10.16 30.48 50.8 44.15 0.64 42.45 0.25 17.15 0.15 17.15 6 3.81 4.5 mfw050 fig.2 EC70 coil former; 8-slots. dimensions in mm.
2004 sep 01 4 ferroxcube ec cores and accessories EC70 mounting parts general data and ordering information item remarks mount figure type number insertable pins solderability: ?iec 68-2-20? , part 2, te s t ta , m e t h o d 1 material: copper-zinc alloy (cuzn), tin-lead alloy (snpb) plated, transition to lead-free (sn) ongoing. general 3 pin-ec horizontal 4 pin/h-ec vertical 5 pin/v-EC70 clamp copper-zinc alloy (cuzn) 6 clm/u-EC70 base plate 4 holes aluminium 7 bpl4-EC70 handbook, halfpage 1.6 2.35 15.8 3.15 0.6 mgb545 fig.3 ec pin; general mount. dimensions in mm. handbook, halfpage mgb546 15.75 0.5 3.1 1.5 1.5 2.35 0.25 fig.4 ec pin; horizontal mount. dimensions in mm. handbook, halfpage mgb549 1.6 3.1 0.5 22.9 12.7 2.85 fig.5 EC70 pin; vertical mount. dimensions in mm. handbook, halfpage 65.4 78.7 12.7 min ? 2.9 6-32 nc 2a thd 2 places mgb539 fig.6 EC70 clamp. dimensions in mm.
2004 sep 01 5 ferroxcube ec cores and accessories EC70 handbook, halfpage 95.3 82.6 64.7 3.7 1 7.5 3.7 15.9 mgb544 fig.7 EC70 base plate; 4-holes. dimensions in mm.
2004 sep 01 6 ferroxcube ec cores and accessories EC70 data sheet status definitions disclaimer life support applications ? 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. ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify ferroxcube for any damages resulting from such application. product status definitions data sheet status product status definitions preliminary specification development this data sheet contains prelimin ary data. ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. product specification production this data sheet contains final specifications. ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. status indication definition prototype 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. design-in these products are recommended for new designs. preferred these products are recommended for use in current designs and are available via our sales channels. support 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.
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