d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube frm24/3.9/10 frame and bar cores and accessories
2008 sep 01 898 ferroxcube frame and bar cores and accessories frm24/3.9/10 core sets effective core parameters symbol parameter value unit (i/a) core factor (c1) 5.65 mm ? 1 v e effective volume 370 mm 3 i e effective length 45.8 mm a e effective area 8.1 mm 2 a min minimum area 6.0 mm 2 m mass of frame 1.3 g m mass of bar 1.2 g handbook, halfpage 3.85 0.1 1.3 0.05 7.3 0.2 5.7 0.1 9.8 0.2 0.5 max. cbw565 19.2 0.3 23.8 0.3 fig.1 frm24/3.9/10 core. dimensions in mm. ordering information for bar cores grade type number 3c90 bar25/2.2/4-3c90 3c91 bar25/2.2/4-3c91 handbook, halfpage 24.7 0.3 4.4 0.2 2.15 0.05 cbw537 fig.2 bar25/2.2/4. dimensions in mm.
2008 sep 01 899 ferroxcube frame and bar cores and accessories frm24/3.9/10 frame cores for use in combination with matching bar cores al measured in combination with bar core. properties of frame and bar combinations under power conditions grade a l (nh) e air gap ( m) type number 3c90 370 25% 1660 0 frm24/3.9/10-3c90 3c91 440 25% 1970 0 frm24/3.9/10-3c91 grade b (mt) at core loss (w) at h = 250 a/m; f = 10 khz; t = 100 c f=25khz; =200mt; t = 100 c f = 100 khz; =100mt; t = 100 c f = 100 khz; = 100 mt; t=60 c f=100khz; = 200 mt; t=60 c 3c90 320 0.041 0.044 ?? 3c91 320 ?? 0.019 0.15 b ? b ? b ? b ?
2008 sep 01 900 ferroxcube frame and bar cores and accessories frm24/3.9/10 coil formers general data winding data and area product parameter specification coil former material liquid crystal polymer (lcp), glass-reinforced, flame retardant in accordance with ?ul 94v-0? ; ul file number e54705(m) pin material copper-tin alloy (cusn), tin (sn) plated maximum operating temperature 155 c, ?iec 60085?, class f resistance to soldering heat ?iec 60068-2-20? , part 2, test tb, method 1b, 350 c, 3.5 s solderability ?iec 60068-2-20? , part 2, test ta, method 1: 235 c, 2 s number of sections number of solder pads winding area (mm 2 ) winding width (mm) average length of turn (mm) area product ae x aw (mm 4 ) type number 892.9+7 1.24 3.7 + 7 1.6 17.3 23.5 + 7 x 10.0 cphs-frm24/10-8s-9p handbook, full pagewidth 6.8 5.25 4.6 2.2 2.75 4.3 18.8 30.05 0.15 31.9 0.15 27.95 0.15 1.15 0.48 0.3 6.1 4.8 0.5 0.5 9.7 8.1 1.6 1.6 ( 7) 0.3 ( 6) 3.7 0.4 cbw546 fig.3 smd coil former for frm24/3.9/10. dimensions in mm.
2008 sep 01 901 ferroxcube frame and bar cores and accessories frm24/3.9/10 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 not ice 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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