description ? 155 maximum total temperature operation ? low profile high current inductors ? inductance range 0.1uh to 15uh ? design utilizes high temperature powder iron material with a non-organic binder to eliminate thermal aging ? current rating up to 34.7adc (higher peak currents may be attained with a greater rolloff, see rolloff curve) ? frequency range up to 2mhz applications ? computers and portable power devices ? energy storage applications ? dc-dc converters ? input - output filer application en vironmental data ? storage temperature range: -40c to +155 ? operating ambient temperature range: -40c to +155 (range is application specific). ? solder reflow temperature: +260 max. for 10 seconds max. packaging ? units supplied in tape and reel packaging. reel quantity = 1,700 parts per reel. part rated ocl (1) irms (2) isat (3) isat (4) dcr k-factor (5) number inductance ? 15% amperes amperes amperes mohms @ 20 ? approx. 10% approx. 15% (max.) fp3-r10-r 0.10 0.10 19.0 27 34.7 1.21 803 fp3-r20-r 0.20 0.22 15.3 16 20.8 1.88 482 fp3-r47-r 0.47 0.44 10.9 11.6 14.9 3.67 344 fp3-r68-r 0.68 0.72 9.72 9.0 11.6 4.63 268 fp3-1r0-r 1.00 1.10 6.26 7.4 9.5 11.2 219 fp3-1r5-r 1.50 1.50 5.78 6.2 8.0 13.1 185 fp3-2r0-r 2.00 2.00 5.40 5.4 6.9 15.0 161 fp3-3r3-r 3.30 3.20 3.63 4.3 5.5 30.0 127 fp3-4r7-r 4.70 4.70 3.23 3.5 4.2 40.0 105 fp3-8r2-r 8.20 8.5 2.91 2.6 3.4 74.0 78 FP3-100-R 10.0 10.9 2.30 2.3 3.0 101 69 fp3-150-r 15.0 14.9 2.22 2.0 2.5 127 59 1) ocl (open circuit inductance) test parameters: 100khz, 0.1vrms, 0.0adc 2) dc current f or an appro ximate ? t of 40 without core loss. derating is necessary for ac currents. pcb layout, trace thickness and width, air-flow, and pro ximity of other heat gener ating components will aff ect the temper ature rise. it is recommended that the temper ature of the par t not e xceed 155 c under worst case operating conditions verified in the end application. 3) isat amperes p eak for approximately 10% rolloff @ 20 4) isat amperes p eak f or appro ximately 15% rolloff @ 20 5) k-factor: used to determine b p-p for core loss (see graph). b p-p =k*l* ? i b p-p:(gauss), k: (k f actor from tab le), l: (inductance in uh), ? i (peak to peak r ipple current in amps). flat-pac? 3 low profile inductors mechanical diagrams top view front view 7.50 4.50 (2x) 2.50 (2x) recommended pcb pad layout 2 schematic 1 3.00 max 2.8 0.25 ( 2x) xxx 7.25 max 6.70 max yww 2 2.8 0.25 fp3 (2x) 1 side view 1.0 min. (2x) 4. 0 2. 0 12. 0 a o k o b o 16.0 +/-0. 3 7. 5 1.7 5 a 2 1 a ao= 6.6mm bo= 7.1mm ko= 3.2m m 0.3 rad max. 1.5 dia min. 0.30 +/-0.05 1.5 dia +0.1/-0.0 0.5 rad typ. direction of feed section a-a packaging information dimensions in millimeters xxx = inductance value yww = date code rohs 2002/95/ec
ocl vs. isat 0 1 0 2 0 3 0 4 0 50 60 70 80 90 1 00 0 20 40 60 80 100 120 140 160 180 200 % of isat % o f o c l fp3 ac loss a frequency (khz) t frequency, khz coreloss vs. flux density 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 250 500 750 1000 1250 1500 1750 2000 2250 b p-p (gauss) c o r e l o s s ( w ) 200 300 400 500 600 700 800 900 1000 t e m p e r atu r e r i s e vs. w att l o ss 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 0.12 0.24 0.36 0.48 0.61 0.73 0.85 0.97 1.09 1.21 1.33 1.45 1.57 t o ta l l o ss ( w ) t e m p e r a t u r e r i s e ( c ) flat-pac? 3 low profile inductors inductance characteristics core loss
flat-pac? 3 low profile inductors visit us on the web at www.cooperbussmann.com 1225 broken sound pkwy. suite f boca raton, fl 33487 t el: +1-561-998-4100 toll free: +1-888-414-2645 fax: +1-561-241-6640 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. life support policy: cooper electronic t echnologies does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the company . life support systems are devices which support or sustain life, and whose failure to per form, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injur y to the user . pm-4118 3/07 cooper electr onic technologies 2007
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