Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: frontierusa.com Hi-Current Toroid Inductors—3261I-series A. Electrical specifications and Mechanical dimensions (Inches): Part No. 3261I01 3261I02 3261I03 3261I04 3261I05 3261I06 3261I07 3261I08 3261I09 3261I10 3261I11 3261I12 3261I13 3261I14 3261I15 3261I16 3261I17 3261I18 3261I19 3261I20 3261I21 3261I22 3261I23 3261I24 3261I25 3261I26 3261I27 3261I28 3261I29 3261I30 3261I31 L (uH) ±15% @ 1KHz 25 35 50 100 70 40 10 25 125 275 450 25 75 400 800 1000 50 150 700 1250 1600 125 500 1100 2250 4500 250 900 1800 4000 8000 I DC Max. (Amp.) 2.50 2.50 2.50 2.50 3.00 4.00 11.00 5.50 2.75 2.00 1.50 9.00 5.00 2.25 1.75 1.50 9.50 4.75 2.25 1.75 1.50 7.75 4.00 2.50 1.75 1.25 8.00 3.75 2.50 1.75 1.00 L(uH) Min @ I DC 16 29 35 70 50 30 5.0 12 70 150 250 15 40 225 475 575 25 85 400 750 950 65 275 650 1350 2700 125 500 1000 2100 4500 B. General information: 1. 2. 3. 4. 5. Dimensions (max.) DCR Ω (Max.) A B C 0.040 0.035 0.060 0.080 0.050 0.025 0.008 0.014 0.120 0.240 0.490 0.012 0.040 0.330 0.640 0.980 0.012 0.046 0.420 0.850 1.270 0.032 0.150 0.330 0.920 2.640 0.041 0.175 0.550 1.160 3.340 0.550 0.700 0.750 0.850 0.850 0.850 0.875 0.875 0.875 0.875 0.875 1.125 1.125 1.125 1.125 1.125 1.250 1.250 1.250 1.250 1.250 1.812 1.812 1.812 1.812 1.812 2.125 2.125 2.125 2.125 2.125 0.220 0.320 0.320 0.360 0.360 0.360 0.437 0.437 0.437 0.437 0.437 0.562 0.562 0.562 0.562 0.562 0.625 0.625 0.625 0.625 0.625 0.75 0.75 0.75 0.75 0.75 0.937 0.937 0.937 0.937 0.937 0.150 0.150 0.150 0.200 0.200 0.200 0.187 0.187 0.187 0.187 0.187 0.312 0.312 0.312 0.312 0.312 0.375 0.375 0.375 0.375 0.375 0.750 0.750 0.750 0.750 0.750 0.625 0.625 0.625 0.625 0.625 Pin φ 0.020 0.025 0.020 0.020 0.025 0.032 0.064 0.040 0.020 0.016 0.012 0.064 0.036 0.018 0.015 0.012 0.064 0.036 0.018 0.015 0.012 0.064 0.032 0.025 0.018 0.012 0.062 0.032 0.023 0.018 0.012 C. Mechanical dimension: Electrical spec. test condition: 1.0KHz / 1V. at 25°C. Current to cause temperature Rise: 40°C. Max. Low core loss, Low cost and high current capacity. Operating temperature: -20°C TO +105°C. Insulation Resistance: 100M OHMS at 500VDC. Custom specifications are available. Note: RoHS compliant; for the ROHS parts, we add “-LFR” at the end of the P/N. Hi-I toroid ind. 3261I-series Rev. A Jan. 01, 2006 Page: 1 of 1