general coiltronics low cost power inductors are manufactured using low loss powdered iron cores. these toroidal inductors deliver stable electrical operating characteristics with low radiated fields for a wide range of user applications. low cost power inductors are constructed to maximize inductor efficiency by minimizing copper losses. this ensures the lowest possible temperature rise at the maximum current rating. these devices are available in vertical and horizontal self leaded and header mounted configurations. this offers the designer several mounting options for flexibility in today s high density electronic packages. low cost power inductors are designed and manufactured in accordance with the highest standards for quality and reliability. feature - benefits powdered iron cores provide low cost solutions to power inductor applications. ?available with vertical leads, horizontal leads, or header mounts. ?inductance values range from 10 to 1000 ?. ?current values range from 1.5 to 31.5 amps. ?off-the-shelf availability. environmental specifications storage temperature range: -40? to +105?. operating ambient temperature range: -40? to +75? range is application specific meets ul 94v-o flammability standard information furnished herein is believed to be accurate and reliable. however, cooper electronic technologies cannot assume responsibility for the use of any of our components, nor for any liabilities which may result from component use. cooper electronic technologies reserves the right to change component specifications without notice. life support policy : cooper electronic technologies 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 perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. low cost power inductors
vertical and horizontal self leaded mounting options vertical p/n horizontal p/n od id ht x y t h see figure 1 see figure 2 (max) (typ) (max) (typ) (typ) (typ) (typ) ctx10-1-52 ctx10-1-52lp 8.6 0.0 4.7 3.8 7.3 0.42 0.67 ctx20-1-52 ctx20-1-52lp 9.1 0.0 6.7 5.6 7.4 0.37 0.62 ctx50-1-52 ctx50-1-52lp 16.2 4.2 9.0 7.5 13.7 0.58 0.83 CTX100-1-52 CTX100-1-52lp 15.5 4.2 12.4 10.7 13.7 0.58 0.83 ctx150-1-52 ctx150-1-52lp 20.7 6.6 9.4 7.8 18.8 0.52 0.77 ctx250-1-52 ctx250-1-52lp 20.9 6.0 13.0 11.0 18.8 0.52 0.77 ctx500-1-52 ctx500-1-52lp 24.0 9.0 15.3 14.0 21.2 0.52 0.77 ctx750-1-52 ctx750-1-52lp 29.8 11.7 17.4 15.6 28.2 0.52 0.77 ctx1000-1-52 ctx1000-1-52lp 29.8 11.7 17.1 15.5 28.0 0.46 0.71 ctx10-2-52 ctx10-2-52lp 12.7 0.0 7.8 6.3 11.0 0.71 0.96 ctx20-2-52 ctx20-2-52lp 12.5 0.0 7.5 6.3 11.0 0.58 0.83 ctx50-2-52 ctx50-2-52lp 21.6 6.1 13.6 11.0 19.5 0.89 1.14 ctx100-2-52 ctx100-2-52lp 24.0 8.8 16.6 13.9 21.8 0.89 1.14 ctx150-2-52 ctx150-2-52lp 30.6 11.2 11.4 9.3 28.5 0.80 1.05 ctx250-2-52 ctx250-2-52lp 31.2 9.1 19.0 15.7 28.5 0.89 1.14 ctx500-2-52 ctx500-2-52lp 36.7 11.7 14.8 12.5 34.5 0.71 0.96 ctx750-2-52 ctx750-2-52lp 43.3 19.9 18.2 15.8 41.5 0.80 1.05 ctx10-5-52 ctx10-5-52lp 22.2 5.4 13.9 11.5 19.9 1.11 1.36 ctx20-5-52 ctx20-5-52lp 24.5 8.8 16.6 14.5 22.0 0.89 1.14 ctx50-5-52 ctx50-5-52lp 32.3 10.1 18.9 16.5 28.8 1.11 1.36 ctx100-5-52 ctx100-5-52lp 37.8 11.2 16.8 13.6 35.5 1.24 1.49 ctx150-5-52 ctx150-5-52lp 46.4 18.8 19.8 16.8 43.4 1.24 1.49 ctx250-5-52 ctx250-5-52lp 53.7 18.8 24.3 20.1 49.4 1.38 1.63 ctx10-7-52 ctx10-7-52lp 25.7 6.5 18.0 16.0 22.4 1.38 1.63 ctx20-7-52 ctx20-7-52lp 32.4 8.5 19.8 16.8 29.2 1.38 1.63 ctx50-7-52 ctx50-7-52lp 39.0 10.8 16.8 13.9 35.7 1.38 1.63 ctx100-7-52 ctx100-7-52lp 48.5 17.1 21.8 17.2 43.4 1.73 1.98 ctx150-7-52 ctx150-7-52lp 54.5 17.1 25.4 21.2 50.9 1.73 1.98 ctx10-10-52 ctx10-10-52lp 34.0 7.0 21.4 17.0 29.6 1.73 1.98 ctx20-10-52 ctx20-10-52lp 40.5 9.0 18.0 14.3 35.2 1.73 1.98 ctx50-10-52 ctx50-10-52lp 47.5 17.1 21.3 17.5 42.8 1.73 1.98 ctx100-10-52 ctx100-10-52lp 57.0 15.0 27.5 21.3 50.6 2.15 2.45 ctx10-16-52 ctx10-16-52lp 50.3 13.0 24.0 18.6 43.0 2.41 2.70 ctx20-16-52 ctx20-16-52lp 59.0 13.0 28.0 23.0 50.7 2.69 2.99 note: all dimensions are in millimeters. mechanical dimensions ht t dia. (typ.) t dia. (typ.) t dia. 10.0 +/- 3 ht x 10.0 +/- 3 od od id id y h dia (typ.) h dia (typ.) h dia. (typ.) h dia. (typ.) vertical self leaded mount horizontal self leaded mount drawings are not to scale. figure 1 figure 2 low cost power inductors
header mount header mounted option header mounted see od a b c x y t h part number figure # (max) (max) (max) (max) (typ) (typ) (typ) (typ) ctx10-1-52m 3 8.6 9.4 9.4 6.9 6.5 6.5 ctx20-1-52m 3 9.1 9.4 9.4 9.0 6.5 6.5 ctx50-1-52m 4 16.2 19.6 16.1 20.0 15.3 6.4 CTX100-1-52m 4 15.5 19.6 16.1 19.7 15.3 6.4 ctx150-1-52m 4 20.7 19.6 16.1 24.2 15.3 6.4 ctx250-1-52m 5 20.9 31.0 16.0 22.5 20.3 10.2 1.20 1.45 ctx500-1-52m 5 24.0 35.4 21.7 25.0 23.0 15.4 1.20 1.45 ctx750-1-52m 5 29.8 35.4 21.7 31.6 23.0 15.4 1.20 1.45 ctx1000-1-52m 5 29.8 35.4 21.7 31.2 23.0 15.4 1.20 1.45 ctx10-2-52m 3 12.7 13.6 11.4 11.7 10.8 7.5 ctx20-2-52m 3 12.5 13.6 11.4 11.4 10.8 7.5 ctx50-2-52m 5 21.6 31.0 16.0 23.5 20.3 10.2 1.20 1.45 ctx100-2-52m 5 24.0 35.4 21.7 26.0 23.0 15.4 1.20 1.45 ctx150-2-52m 5 30.6 31.0 16.0 32.5 20.3 10.2 1.20 1.45 ctx250-2-52m 5 31.2 35.4 21.7 33.4 23.0 15.4 1.20 1.45 ctx500-2-52m 5 36.7 31.0 16.0 38.4 20.3 10.2 1.20 1.45 ctx750-2-52m 5 43.3 35.4 21.7 45.4 23.0 15.4 1.20 1.45 ctx10-5-52m 5 22.2 31.0 16.0 22.7 20.3 10.2 1.20 1.45 ctx20-5-52m 5 24.5 35.4 21.7 25.5 23.0 15.4 1.20 1.45 ctx50-5-52m 5 32.3 35.4 21.7 33.7 23.0 15.4 1.11 1.36 ctx100-5-52m 5 37.8 35.4 21.7 40.2 23.0 15.4 1.24 1.49 ctx150-5-52m 5 46.4 35.4 21.7 47.0 23.0 15.4 1.24 1.49 ctx10-7-52m 5 25.7 35.4 21.7 26.7 23.0 15.4 1.38 1.63 ctx20-7-52m 5 32.4 35.4 21.7 34.2 23.0 15.4 1.38 1.63 ctx50-7-52m 5 39.0 35.4 21.7 40.3 23.0 15.4 1.38 1.63 note: all dimensions are in millimeters. mechanical dimensions drawings are not to scale. figure 3 figure 4 figure 5 0.50 dia. (typ.) 0.50 dia. (typ.) c 3.8 +/- 1 3.8 +/- 1 y x b a 2 2 3 3 1 1 4 4 figure 3 0.70 dia. (typ.) 0.70 dia. (typ.) c 4.0 +/- 1 4.0 +/- 1 b y od 2 2 3 3 1 1 4 4 x a figure 4 1.25 dia. (typ.) 1.25 dia. (typ.) 1.00 dia. (typ.) 1.00 dia. (typ.) c od 4.25 +/- 1.5 4.25 +/- 1.5 b y pins1&3:tdia. pins2&4:1.20dia. pins 1 & 3: t dia. pins 2 & 4: 1.20 dia. holes1&3:hdia. holes2&4:1.45 dia. holes 1 & 3: h dia. holes 2 & 4: 1.45 dia. a 1 2 4 3 2 1 3 4 x figure 5 connection diagram 1 3 low cost power inductors
vertical horizontal header mounted inductance ocl (1) i dc (2) i sat (3) volt-sec (4) energy (5) dcr ( ? ) (6) part number part number part number h (rated) h +/- 20% amperes amperes vs j max ctx10-1-52 ctx10-1-52lp ctx10-1-52m 10 10.14 2.4 2.1 5.4 15 0.0481 ctx20-1-52 ctx20-1-52lp ctx20-1-52m 20 20.22 1.8 2.2 7.8 36 0.0829 ctx50-1-52 ctx50-1-52lp ctx50-1-52m 50 50.29 2.6 2.7 16.3 130 0.0715 CTX100-1-52 CTX100-1-52lp CTX100-1-52m 100 100.40 2.5 2.4 27.5 197 0.1060 ctx150-1-52 ctx150-1-52lp ctx150-1-52m 150 151.70 2.1 2.3 35.7 283 0.1620 ctx250-1-52 ctx250-1-52lp ctx250-1-52m 250 250.90 1.9 2.2 47.8 421 0.2210 ctx500-1-52 ctx500-1-52lp ctx500-1-52m 500 505.00 1.7 1.9 77.9 645 0.3610 ctx750-1-52 ctx750-1-52lp ctx750-1-52m 750 754.40 1.8 2.4 114.3 1530 0.4340 ctx1000-1-52 ctx1000-1-52lp ctx1000-1-52m 1000 1004.00 1.5 2.1 131.9 1530 0.6380 ctx10-2-52 ctx10-2-52lp ctx10-2-52m 10 9.60 4.7 4.5 6.6 68 0.0183 ctx20-2-52 ctx20-2-52lp ctx20-2-52m 20 19.60 3.2 3.2 9.4 69 0.0392 ctx50-2-52 ctx50-2-52lp ctx50-2-52m 50 50.00 4.9 4.9 21.3 420 0.0326 ctx100-2-52 ctx100-2-52lp ctx100-2-52m 100 101.70 4.4 4.3 35.0 643 0.0534 ctx150-2-52 ctx150-2-52lp ctx150-2-52m 150 148.00 4.3 4.0 47.6 829 0.0719 ctx250-2-52 ctx250-2-52lp ctx250-2-52m 250 251.10 4.2 4.2 66.0 1540 0.0833 ctx500-2-52 ctx500-2-52lp ctx500-2-52m 500 499.40 3.1 3.3 104.0 1890 0.1830 ctx750-2-52 ctx750-2-52lp ctx750-2-52m 750 749.30 3.4 3.4 147.3 2960 0.2080 ctx10-5-52 ctx10-5-52lp ctx10-5-52m 10 9.68 8.7 11.1 9.4 417 0.0104 ctx20-5-52 ctx20-5-52lp ctx20-5-52m 20 21.25 7.8 9.3 16.0 643 0.0260 ctx50-5-52 ctx50-5-52lp ctx50-5-52m 50 49.60 7.6 9.4 29.3 1530 0.0248 ctx100-5-52 ctx100-5-52lp ctx100-5-52m 100 97.20 8.2 7.5 45.7 1890 0.0267 ctx150-5-52 ctx150-5-52lp ctx150-5-52m 150 150.60 7.7 7.5 66.0 2960 0.0401 ctx250-5-52 ctx250-5-52lp 250 254.40 9.2 8.1 102.4 5860 0.0400 ctx10-7-52 ctx10-7-52lp ctx10-7-52m 10 10.04 11.4 13.5 11.0 640 0.0080 ctx20-7-52 ctx20-7-52lp ctx20-7-52m 20 20.96 11.4 14.5 19.1 1540 0.0110 ctx50-7-52 ctx50-7-52lp ctx50-7-52m 50 52.27 10.5 10.2 33.5 1900 0.0163 ctx100-7-52 ctx100-7-52lp 100 101.40 12.0 9.1 54.2 2960 0.0167 ctx150-7-52 ctx150-7-52lp 150 152.80 12.8 10.5 79.3 5900 0.0204 ctx10-10-52 ctx10-10-52lp 10 10.04 16.9 20.9 13.2 1530 0.0051 ctx20-10-52 ctx20-10-52lp 20 21.17 16.0 16.0 21.3 1900 0.0070 ctx50-10-52 ctx50-10-52lp 50 52.37 13.9 12.7 38.9 2960 0.0124 ctx100-10-52 ctx100-10-52lp 100 99.38 17.6 13.0 64.0 5880 0.0109 ctx10-16-52 ctx10-16-52lp 10 9.90 27.3 29.3 16.9 2970 0.0032 ctx20-16-52 ctx20-16-52lp 20 19.24 31.5 29.5 28.1 5860 0.0034 notes: (1) open circuit inductance test parameters: 100khz, 0.250vrms, 0 adc. (2) dc current for an approximate ? t of 30? at 75? ambient with no core loss. see chart 2 for derating of i dc with core loss. (3) peak current for an approximate 30% roll-off in ocl. for other current levels see chart 1. (4) applied volt-time product (v?) across the inductor. this value represents the v? at 100khz necessary to generate a core l oss equal to 10% of the total losses for 30? rise. for other frequencies and operating levels see chart 2. (note: skin effect losses not included.) (5) energy storage (?) at i sat . for other current levels see chart 1. (6) maximum d.c. resistance at 20?. low cost power inductor family table 0 20 40 50 60 70 80 90 20 khz 50 khz 100 khz 200 khz 500 khz % of losses from irms (maximum) % of applied volt- seconds 92 94 95 96 97 98 99 10 20 30 40 50 60 80 100 200 300 400 500 600 800 1000 1000 800 600 500 400 300 200 100 80 60 50 40 30 20 10 050 inductance % of i sa t % of ocl or % of energy energy 100 150 200 250 300 typical inductance and energy vs dc current chart 1 chart 2 winding loss derating with core loss low cost power inductors visit us on the web at www.cooperet.com 6000 park of commerce blvd. boca raton, florida 33487 tel: +1-561-241-7876 toll free: +1-888-414-2645 fax: +1-561-241-9339 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 informa tion contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. pm-4304 2/00 ? cooper electronic technologies 2000
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