1997 nov 21 355 philips components product speci?cation etd cores and accessories etd29 core sets effective core parameters symbol parameter value unit s (i/a) core factor (c1) 0.947 mm - 1 v e effective volume 5470 mm 3 i e effective length 72 mm a e effective area 76 mm 2 a min minimum area 71 mm 2 m mass of core half ? 14 g fig.1 etd29 core half. dimensions in mm. handbook, halfpage mgc259 11 0.3 15.8 0.2 30.6 22 0 1.6 9.8 0 0.6 9.8 0 0.6 1.4 0 core halves clamping force 40 20 n. gapped cores are available on request. properties of core sets under power conditions grade a l (nh) m e air gap ( m m) type number 3c30 1900 25% ? 1500 ? 0 etd29-3c30 3c85 2350 25% ? 1850 ? 0 etd29-3c85 3c90 2350 25% ? 1850 ? 0 etd29-3c90 3f3 2200 25% ? 1700 ? 0 etd29-3f3 grade b (mt) at core loss (w) at h = 250 a/m; f = 25 khz; t = 100 c f=25khz; = 200 mt; t = 100 c f = 100 khz; = 100 mt; t = 100 c f = 400 khz; =50mt; t = 100 c 3c30 3 360 0.55 0.60 - 3c85 3 320 0.80 0.90 - 3c90 3 330 0.55 0.60 - 3f3 3 320 - 0.65 1.1 b ? b ? b ?
1997 nov 21 356 philips components product speci?cation etd cores and accessories etd29 coil former general data 13-pins etd29 coil former winding data for 13-pins etd29 coil former parameter specification coil former material polybutyleneterephtalate (pbt), glass-reinforced, ?ame retardant in accordance with ul 94v-0 ; ul ?le number e45329(r) pin material copper-tin alloy (cusn), tin-lead alloy (snpb) plated maximum operating temperature 155 c, iec 85 class f resistance to soldering heat iec 68-2-20 , part 2, test tb, method 1b, 350 c, 3.5 s solderability iec 68-2-20 , part 2, test ta, method 1 number of sections winding area (mm 2 ) minimum winding width (mm) average length of turn (mm) type number 1 90 19.4 53 cph-etd29-1s-13p fig.2 etd29 coil former; 13-pins. dimensions in mm. handbook, full pagewidth 25.4 25.4 max. 3.4 5.08 0.7 5.08 30.48 35.2 max. 19.4 min. 35.2 max. 1.6 + 0.15 0 10 + 0.3 0 21.2 0 - 0.25 21.8 0 - 0.2 ? 11.8 0 - 0.25 cbw281
1997 nov 21 357 philips components product speci?cation etd cores and accessories etd29 mounting parts general data item remarks figure type number mounting clip material: stainless steel 3 cli-etd29 handbook, halfpage mgc261 8.7 18 33.8 min 8.3 0.4 fig.3 mounting clip for etd29. dimensions in mm.
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