LOW COST POWER INDUCTORS Toroidal Inductors Description RoHS 2002/95/EC • Low loss, powdered iron cores with stable electrical operating characteristics maximize inductor efficiency by minimizing copper losses • Available in vertical and horizontal self leaded and header mounted configurations • Inductance values range from 10uH to 1000uH • Current values range from 1.5 to 29.5 Amps • Meets UL 94V-0 flammability standard • Powder Iron core material Applications • Filters • Buck and boost switches • Chokes Environmental Data • Storage temperature range: -40°C to +105°C • Operating ambient temperature range: -40°C to +75°C (range is application specific) Packaging • Supplied in bulk packaging Family Table Ver tical Par t Number CTX10-1-52-R CTX20-1-52-R CTX50-1-52-R CTX100-1-52-R CTX150-1-52-R CTX250-1-52-R CTX500-1-52-R CTX750-1-52-R CTX1000-1-52-R CTX10-2-52-R CTX20-2-52-R CTX50-2-52-R CTX100-2-52-R CTX150-2-52-R CTX250-2-52-R CTX500-2-52-R CTX750-2-52-R CTX10-5-52-R CTX20-5-52-R CTX50-5-52-R CTX100-5-52-R CTX150-5-52-R CTX250-5-52-R CTX10-7-52-R CTX20-7-52-R CTX50-7-52-R CTX100-7-52-R CTX150-7-52-R CTX10-10-52-R CTX20-10-52-R CTX50-10-52-R CTX100-10-52-R CTX10-16-52-R CTX20-16-52-R Notes: Horizontal Par t Number CTX10-1-52LP-R CTX20-1-52LP-R CTX50-1-52LP-R CTX100-1-52LP-R CTX150-1-52LP-R CTX250-1-52LP-R CTX500-1-52LP-R CTX750-1-52LP-R CTX1000-1-52LPR CTX10-2-52LP-R CTX20-2-52LP-R CTX50-2-52LP-R CTX100-2-52LP-R CTX150-2-52LP-R CTX250-2-52LP-R CTX500-2-52LP-R CTX750-2-52LP-R CTX10-5-52LP-R CTX20-5-52LP-R CTX50-5-52LP-R CTX100-5-52LP-R CTX150-5-52LP-R CTX250-5-52LP-R CTX10-7-52LP-R CTX20-7-52LP-R CTX50-7-52LP-R CTX100-7-52LP-R CTX150-7-52LP-R CTX10-10-52LP-R CTX20-10-52LP-R CTX50-10-52LP-R CTX100-10-52LPR CTX10-16-52LP-R CTX20-16-52LP-R Header Mounted Inductance Par t Number µH (rated) CTX10-1-52M-R 10 CTX20-1-52M-R 20 CTX50-1-52M-R 50 CTX100-1-52M-R 100 CTX150-1-52M-R 150 CTX250-1-52M-R 250 CTX500-1-52M-R 500 CTX750-1-52M-R 750 CTX1000-1-52M-R 1000 CTX10-2-52M-R 10 20 CTX20-2-52M-R CTX50-2-52M-R 50 CTX100-2-52M-R 100 CTX150-2-52M-R 150 CTX250-2-52M-R 250 500 CTX500-2-52M-R CTX750-2-52M-R 750 CTX10-5-52M-R 10 CTX20-5-52M-R 20 CTX50-5-52M-R 50 CTX100-5-52M-R 100 CTX150-5-52M-R 150 250 CTX10-7-52M-R 10 CTX20-7-52M-R 20 50 CTX50-7-52M-R 100 150 10 20 50 100 10 20 OCL(1) µH +/- 20% 10.14 20.22 50.29 100.40 151.70 250.90 505.00 754.40 1004.00 9.60 19.60 50.00 101.70 148.00 251.10 499.40 749.30 9.68 21.25 49.60 97.20 150.60 254.40 10.04 20.96 52.27 101.40 152.80 10.04 21.17 52.37 99.38 9.90 19.24 I DC(2) Amper es 2.4 1.8 2.6 2.5 2.1 1.9 1.7 1.8 1.5 4.7 3.2 4.9 4.4 4.3 4.2 3.1 3.4 8.7 7.8 7.6 8.2 7.7 9.2 11.4 11.4 10.5 12.0 12.8 16.9 16.0 13.9 17.6 27.3 31.5 I SAT(3) Amperes 2.1 2.2 2.7 2.4 2.3 2.2 1.9 2.4 2.1 4.5 3.2 4.9 4.3 4.0 4.2 3.3 3.4 11.1 9.3 9.4 7.5 7.5 8.1 13.5 14.5 10.2 9.1 10.5 20.9 16.0 12.7 13.0 29.3 29.5 Volt-µSec(4) VµS 5.4 7.8 16.3 27.5 35.7 47.8 77.9 114.3 131.9 6.6 9.4 21.3 35.0 47.6 66.0 104.0 147.3 9.4 16.0 29.3 45.7 66.0 102.4 11.0 19.1 33.5 54.2 79.3 13.2 21.3 38.9 64.0 16.9 28.1 Ener gy(5) µJ 15 36 130 197 283 421 645 1530 1530 68 69 420 643 829 1540 1890 2960 417 643 1530 1890 2960 5860 640 1540 1900 2960 5900 1530 1900 2960 5880 2970 5860 DCR ( Ω)(6) max 0.0481 0.0829 0.0715 0.1060 0.1620 0.2210 0.3610 0.4340 0.6380 0.0183 0.0392 0.0326 0.0534 0.0719 0.0833 0.1830 0.2080 0.0104 0.0260 0.0248 0.0267 0.0401 0.0400 0.0080 0.0110 0.0163 0.0167 0.0204 0.0051 0.0070 0.0124 0.0109 0.0032 0.0034 (1) Open circuit inductance test parameters: 100kHz, 0.250Vrms, 0 Adc. (2) DC current for an approximate ∆T of 30°C at 75°C Ambient with no core loss. See Chart 2 for derating of IDC 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 (VµS) across the inductor. This value represents the VµS at 100kHz necessary to generate a core loss equal to 10% of the total losses for 30°C rise. For other frequencies and operating levels see Chart 2. (Note: skin effect losses not included.) (5) Energy storage (µJ) at ISAT. For other current levels see Chart 1. (6) Maximum D.C. resistance at 20°C. LOW COST POWER INDUCTORS Toroidal Inductors Mechanical Diagrams Vertical and Horizontal Self Leaded Mounting Options Ver tical P/N See Figur e 1 CTX10-1-52-R CTX20-1-52-R CTX50-1-52-R CTX100-1-52-R CTX150-1-52-R CTX250-1-52-R CTX500-1-52-R CTX750-1-52-R CTX1000-1-52-R CTX10-2-52-R CTX20-2-52-R CTX50-2-52-R CTX100-2-52-R CTX150-2-52-R CTX250-2-52-R CTX500-2-52-R CTX750-2-52-R CTX10-5-52-R CTX20-5-52-R CTX50-5-52-R CTX100-5-52-R CTX150-5-52-R CTX250-5-52-R CTX10-7-52-R CTX20-7-52-R CTX50-7-52-R CTX100-7-52-R CTX150-7-52-R CTX10-10-52-R CTX20-10-52-R CTX50-10-52-R CTX100-10-52-R CTX10-16-52-R CTX20-16-52-R Horizontal P/N See Figur e 2 CTX10-1-52LP-R CTX20-1-52LP-R CTX50-1-52LP-R CTX100-1-52LP-R CTX150-1-52LP-R CTX250-1-52LP-R CTX500-1-52LP-R CTX750-1-52LP-R CTX1000-1-52LP-R CTX10-2-52LP-R CTX20-2-52LP-R CTX50-2-52LP-R CTX100-2-52LP-R CTX150-2-52LP-R CTX250-2-52LP-R CTX500-2-52LP-R CTX750-2-52LP-R CTX10-5-52LP-R CTX20-5-52LP-R CTX50-5-52LP-R CTX100-5-52LP-R CTX150-5-52LP-R CTX250-5-52LP-R CTX10-7-52LP-R CTX20-7-52LP-R CTX50-7-52LP-R CTX100-7-52LP-R CTX150-7-52LP-R CTX10-10-52LP-R CTX20-10-52LP-R CTX50-10-52LP-R CTX100-10-52LP-R CTX10-16-52LP-R CTX20-16-52LP-R OD (max) 8.6 9.1 16.2 15.5 20.7 20.9 24.0 29.8 29.8 12.7 12.5 21.6 24.0 30.6 31.2 36.7 43.3 22.2 24.5 32.3 37.8 46.4 53.7 25.7 32.4 39.0 48.5 54.5 34.0 40.5 47.5 57.0 50.3 59.0 ID (typ) 0.0 0.0 4.2 4.2 6.6 6.0 9.0 11.7 11.7 0.0 0.0 6.1 8.8 11.2 9.1 11.7 19.9 5.4 8.8 10.1 11.2 18.8 18.8 6.5 8.5 10.8 17.1 17.1 7.0 9.0 17.1 15.0 13.0 13.0 Ht (max) 4.7 6.7 9.0 12.4 9.4 13.0 15.3 17.4 17.1 7.8 7.5 13.6 16.6 11.4 19.0 14.8 18.2 13.9 16.6 18.9 16.8 19.8 24.3 18.0 19.8 16.8 21.8 25.4 21.4 18.0 21.3 27.5 24.0 28.0 X (typ) 3.8 5.6 7.5 10.7 7.8 11.0 14.0 15.6 15.5 6.3 6.3 11.0 13.9 9.3 15.7 12.5 15.8 11.5 14.5 16.5 13.6 16.8 20.1 16.0 16.8 13.9 17.2 21.2 17.0 14.3 17.5 21.3 18.6 23.0 Y (typ) 7.3 7.4 13.7 13.7 18.8 18.8 21.2 28.2 28.0 11.0 11.0 19.5 21.8 28.5 28.5 34.5 41.5 19.9 22.0 28.8 35.5 43.4 49.4 22.4 29.2 35.7 43.4 50.9 29.6 35.2 42.8 50.6 43.0 50.7 T (typ) 0.42 0.37 0.58 0.58 0.52 0.52 0.52 0.52 0.46 0.71 0.58 0.89 0.89 0.80 0.89 0.71 0.80 1.11 0.89 1.11 1.24 1.24 1.38 1.38 1.38 1.38 1.73 1.73 1.73 1.73 1.73 2.15 2.41 2.69 H (typ) 0.67 0.62 0.83 0.83 0.77 0.77 0.77 0.77 0.71 0.96 0.83 1.14 1.14 1.05 1.14 0.96 1.05 1.36 1.14 1.36 1.49 1.49 1.63 1.63 1.63 1.63 1.98 1.98 1.98 1.98 1.98 2.45 2.70 2.99 Note: All dimensions are in millimeters. FIGURE 2 FIGURE 1 OD ID ID OD 10.0 +/- 3 T dia. Ht Ht 10.0 +/- 3 VERTICAL SELF LEADED MOUNT HORIZONTAL SELF LEADED MOUNT T dia. (typ.) H dia (typ.) X H dia. (typ.) Y Drawings are not to scale. LOW COST POWER INDUCTORS Toroidal Inductors Header Mounted Option Header Mounted Par t Number CTX10-1-52M-R CTX20-1-52M-R CTX50-1-52M-R CTX100-1-52M-R CTX150-1-52M-R CTX250-1-52M-R CTX500-1-52M-R CTX750-1-52M-R CTX1000-1-52M-R CTX10-2-52M-R CTX20-2-52M-R CTX50-2-52M-R CTX100-2-52M-R CTX150-2-52M-R CTX250-2-52M-R CTX500-2-52M-R CTX750-2-52M-R CTX10-5-52M-R CTX20-5-52M-R CTX50-5-52M-R CTX100-5-52M-R CTX150-5-52M-R CTX10-7-52M-R CTX20-7-52M-R CTX50-7-52M-R See Figur e # 3 3 4 4 4 5 5 5 5 3 3 5 5 5 5 5 5 5 5 5 5 5 5 5 5 OD (max) 8.6 9.1 16.2 15.5 20.7 20.9 24.0 29.8 29.8 12.7 12.5 21.6 24.0 30.6 31.2 36.7 43.3 22.2 24.5 32.3 37.8 46.4 25.7 32.4 39.0 A (max) 9.4 9.4 19.6 19.6 19.6 31.0 35.4 35.4 35.4 13.6 13.6 31.0 35.4 31.0 35.4 31.0 35.4 31.0 35.4 35.4 35.4 35.4 35.4 35.4 35.4 B (max) 9.4 9.4 16.1 16.1 16.1 16.0 21.7 21.7 21.7 11.4 11.4 16.0 21.7 16.0 21.7 16.0 21.7 16.0 21.7 21.7 21.7 21.7 21.7 21.7 21.7 C (max) 6.9 9.0 20.0 19.7 24.2 22.5 25.0 31.6 31.2 11.7 11.4 23.5 26.0 32.5 33.4 38.4 45.4 22.7 25.5 33.7 40.2 47.0 26.7 34.2 40.3 X (typ) 6.5 6.5 15.3 15.3 15.3 20.3 23.0 23.0 23.0 10.8 10.8 20.3 23.0 20.3 23.0 20.3 23.0 20.3 23.0 23.0 23.0 23.0 23.0 23.0 23.0 Y (typ) 6.5 6.5 6.4 6.4 6.4 10.2 15.4 15.4 15.4 7.5 7.5 10.2 15.4 10.2 15.4 10.2 15.4 10.2 15.4 15.4 15.4 15.4 15.4 15.4 15.4 T (typ) — — — — — 1.20 1.20 1.20 1.20 — — 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.11 1.24 1.24 1.38 1.38 1.38 H (typ) — — — — — 1.45 1.45 1.45 1.45 — — 1.45 1.45 1.45 1.45 1.45 1.45 1.45 1.45 1.36 1.49 1.49 1.63 1.63 1.63 Note: All dimensions are in millimeters. FIGURE 3 CONNECTION DIAGRAM FIGURE 4 A FIGURE 5 OD OD 2 3 1 B C 1 C 4 3 4.25+/- 1.5 4.0 0+ +//-- 1 0 dia. dia. 1.00 (typ.) C 3.8 3. 8+ +//- 1 0.50 dia. 0.50 dia. (typ. ) (typ.) A A 1 4 B 2 0.70dia. (typ.) 2 1 4 2 3 Pins 1 & 3: Pins 3: T dia. dia. Pins Pin s 2 & 4: 4: 1.2 1.20 0 dia. dia. 3 3 2 Holes 1 & 3 Holes 3:: H dia. Holes Hole s2&4 4:: 1.45 1.45 dia. 3 1 4 1.25dia. (typ.) Y 2 3 1 4 Y Y 4 1 HEADER MOUNT X X X Drawings are not to scale. Figure3 Figure4 B Figure5 LOW COST POWER INDUCTORS Toroidal Inductors Inductance Characteristics 1000 0 800 20 600 500 40 50 60 80 60 50 40 30 300 % OF I SAT % of applied V Energy Core Loss 0 40 50 60 70 z z kH 20 z kH kH 50 100 200 kH kH z z 80 500 % of Losses from Irms (maximum) 20 90 92 94 95 96 97 98 800 1000 500 600 400 300 200 100 80 40 50 60 30 20 10 99 % OF I SAT % of applied Volt-µ Seconds Energy PM-4304 3/07 © Cooper Electronic Technologies 2007 100 250 80 200 40 50 60 150 30 100 50 Inductance 300 k 97 20 0 250 kH 94 95 96 99 10 200 100 92 98 20 150 z z 90 200 100 80 kH 200 70 10 % of OCL or % of Energy 300 500 % of Losses from Irms (maximum) 400 Visit us on the Web at www.cooperbussmann.com 1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487 Tel: +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. 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