POWER INDUCTORS (SMT Type) CDH53 UNSHIELDED TYPE Outline SMT type power inductors whereby the electrode is attached to the ferrite core directly. Dimensions (mm) CONSTRUCTION LAND PATTERNS(mm) 2.2 2.5 6.0 1.75 1.8 1.0 0.2 2.9 3.2MAX. 5.4MAX. 6.0MAX. Outline (2.2µH – 220µH) Silk screen In order to prevent short-circuiting, a silk screen is recommended. TYPE CDH53 Parts No. Inductance D.C.R. (Ω) (Max) Typical / Rated D. C. Current (A) Parts No. Inductance D.C.R. (Ω) (Max) Typical / Rated D. C. Current (A) 2R2 2.2µH 66m (51m) / 2.03 390 39µH 0.55 (0.43) / 0.64 2R7 2.7µH 470 47µH 0.77 (0.59) / 0.53 3R3 3.3µH 560 56µH 0.87 (0.67) / 0.50 3R9 3.9µH 680 68µH 1.21 (0.96) / 0.45 4R7 4.7µH 820 82µH 1.34 (1.07) / 0.39 5R6 5.6µH 101 100µH 1.57 (1.25) / 0.37 6R8 6.8µH 121 120µH 1.80 (1.44) / 0.34 8R2 8.2µH 151 150µH 2.40 (1.92) / 0.31 100 10µH 0.16 (0.13) / 1.23 181 180µH 2.66 (2.13) / 0.30 120 12µH 0.18 (0.14) / 1.12 221 220µH 3.73 (2.99) / 0.26 150 15µH 0.25 (0.20) / 1.00 271 270µH 180 18µH 0.28 (0.21) / 0.88 331 330µH 220 22µH 0.39 (0.30) / 0.80 391 390µH 270 27µH 0.42 (0.32) / 0.72 471 470µH 330 33µH 0.49 (0.38) / 0.67 88m (68m) / 1.88 96m (74m) / 1.68 Measuring Freq. (L) CDH53 2.2µH – 4.7µH (7.96MHz), 10µH – 220µH (1kHz) Tolerance of Inductance CDH53 2.2µH – 4.7µH ± 20% (M), 10µH – 12µH ± 15% (L), 15µH – 56µH ± 10% (K), 68µH – 220µH ± 5% (J) Rated D.C. Current This indicates the value of current when the inductance is 10% lower than its initial value at D.C. superimposition or D.C. current when at t=40°C, whichever is lower. (Ta=20°C) Sales Contact North America 1701 Golf Road, Tower 3 Suite 400, Rolling Meadows, IL 60008, USA Tel: (1) 847 545-6700 Fax: (1) 847 545-6720 www.sumida.com Japan Nihonbashi- ingyocho 2-Chome, Chuo-ku, Tokyo, Japan Tel: (81) 03 3667-3301 Fax: (81) 03 3667-3456 Hong Kong 14/F, Eastern Centre, 1065 King's Road, Quarry Road, Hong Kong Tel: (852) 2880-6688 Fax: (852) 2880-9596 Taiwan No. 171, Futech Street, Hsin-I, Taipei, Taiwan, ROC Tel: (886) 2 2726-2177 Fax: (886) 2 2728-2726 Singapore 996 Bendemeer Road #04-05 to 06 Singapore 339944 Tel: (65) 2963-388 Fax: (65) 2963-390 Europe Chaussee de Tervuren113A, 1160 Brussels Belgium Email: [email protected] Rev1.0 07/02