POWER INDUCTORS Surface Mount Toroidal Power Chokes * Excellent electromagnetic shielding performance for commercial and industrial applications * Cost-effective surface mount design * For higher saturation levels use Series PTHF-SM * Current rating from 0.92 to 7.36 amps * Inductance values from 10 H to 330 H Notes 1) Rated current is based on a 35C temperature rise at an ambient temperature of 90C. 2) Incremental current is the approximate value that will cause a percentage drop in inductance as indicated in the table. IN D @ UCT 1 K AN Hz CE 1 ( CU 0% H) RR EN T RA In cTI I NG L AD AD 10 C % C In cL I AD 20 C % DC MA RES XI IST MU A M NC SR (O E hm F MI s) NI MU M (M HZ ) NU MB ER * DA SH PTHFxxxR-SM& PTKMxxxR-SM PTHF-SM&PTKM-SM Series SERIES PTHF-SM HIGH SATURATION CORE PTHF10-50SM PTHF25-50SM PTHF50-50SM PTHF75-50SM PTHF100-50SM PTHF150-50SM PTHF200-50SM PTHF250-50SM PTHF330-50SM PTHF10-40SM PTHF25-40SM PTHF50-40SM PTHF75-40SM PTHF100-40SM PTHF150-40SM PTHF200-40SM PTHF250-40SM PTHF10-30SM PTHF25-30SM PTHF50-30SM PTHF75-30SM PTHF100-30SM PTHF150-30SM PTHF200-30SM PTHF250-30SM PTHF10-180SM PTHF25-180SM PTHF50-180SM PTHF75-180SM PTHF100-180SM 10 25 50 75 100 150 200 250 330 10 25 50 75 100 150 200 250 10 25 50 75 100 150 200 250 10 25 50 75 100 7.36 5.20 3.93 3.47 3.14 2.33 1.97 1.84 1.69 4.84 3.38 1.90 1.69 1.60 1.45 1.12 1.05 2.56 2.16 1.81 1.62 1.50 1.33 1.04 0.96 1.60 1.33 1.12 0.99 0.92 6.00 3.60 2.00 1.60 1.50 1.20 1.00 0.90 0.80 3.80 2.20 1.70 1.30 1.10 0.90 0.70 0.70 2.20 1.40 1.20 0.80 0.60 0.60 0.50 0.50 0.90 0.60 0.40 0.30 0.30 8.70 5.30 3.10 2.50 2.20 1.80 1.60 1.40 1.20 5.70 3.50 2.50 2.00 1.70 1.40 1.10 1.10 3.40 2.10 1.30 1.20 1.00 1.00 0.70 0.70 1.40 0.90 0.60 0.50 0.40 0.01 0.02 0.04 0.05 0.06 0.10 0.14 0.16 0.19 0.02 0.04 0.11 0.14 0.16 0.19 0.32 0.36 0.05 0.07 0.10 0.13 0.15 0.19 0.30 0.36 0.10 0.15 0.21 0.26 0.30 35.0 10.0 7.0 5.0 4.0 3.0 2.0 1.5 1.0 35.0 20.0 13.0 9.0 6.0 3.5 3.0 2.5 35.0 25.0 10.0 7.0 6.0 3.5 3.0 3.0 35.0 30.0 10.0 8.0 6.0 SERIES PTKM-SM FERROUS ALLOY CORE PTKM10-50SM PTKM25-50SM PTKM50-50SM PTKM75-50SM PTKM100-50SM PTKM150-50SM PTKM200-50SM PTKM250-50SM PTKM330-50SM PTKM10-40SM PTKM25-40SM PTKM50-40SM PTKM75-40SM PTKM100-40SM PTKM150-40SM PTKM200-40SM PTKM250-40SM PTKM10-30SM PTKM25-30SM PTKM50-30SM PTKM75-30SM PTKM100-30SM PTKM150-30SM PTKM200-30SM PTKM250-30SM PTKM10-180SM PTKM25-180SM PTKM50-180SM PTKM75-180SM PTKM100-180SM 10 25 50 75 100 150 200 250 330 10 25 50 75 100 150 200 250 10 25 50 75 100 150 200 250 10 25 50 75 100 7.36 5.20 3.93 3.47 3.14 2.33 1.97 1.84 1.69 4.84 3.38 1.90 1.69 1.60 1.45 1.12 1.05 2.56 2.16 1.81 1.62 1.50 1.33 1.04 0.96 1.60 1.33 1.12 0.99 0.92 1.70 1.00 0.70 0.60 0.50 0.40 0.35 0.31 0.27 1.30 0.70 0.56 0.45 0.40 0.33 0.30 0.25 0.80 0.50 0.35 0.28 0.23 0.20 0.17 0.15 0.43 0.25 0.18 0.15 0.13 3.30 1.90 1.30 1.10 0.96 0.78 0.65 0.59 0.50 2.50 1.30 1.00 0.86 0.76 0.60 0.56 0.48 1.60 0.96 0.68 0.54 0.50 0.40 0.34 0.30 0.86 0.50 0.35 0.28 0.25 0.01 0.02 0.04 0.05 0.06 0.10 0.14 0.16 0.19 0.02 0.04 0.11 0.14 0.16 0.19 0.32 0.36 0.05 0.07 0.10 0.13 0.15 0.19 0.30 0.36 0.10 0.15 0.21 0.26 0.30 35.0 10.0 7.0 5.0 4.0 3.0 2.0 1.5 1.0 35.0 20.0 13.0 9.0 6.0 3.5 3.0 2.5 35.0 25.0 10.0 7.0 6.0 3.5 3.0 3.0 35.0 30.0 10.0 8.0 6.0 *Complete part # must include series # PLUS the dash # For further surface finish information, refer to TECHNICAL section of this catalog. PAGE 88 www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 * Phone 716-652-3600 * Fax 716-652-4814 7/2004