February 23, 2007 SMD INDUCTOR DR331-4 SERIES Features z z z z Low Profile Surface Mount Design Inductance Range from 1.0µH to 1000µH Operating Temp. -40°C to +85°C Tinned Leads with Leaded Solder is Available (note 6) ELECTRICAL SPECIFICATIONS 25°C DCR I rms (A) I sat (A) SRF Max. (Note 2) (MHz) REF. 20 80 7.1 16 80 0.018 6.2 14 60 0.020 5.3 12 40 10 0.031 4.3 10 30 15 0.036 4 8 22 DR331-4-223 22 0.047 3.5 7 20 DR331-4-333 33 0.066 3 5.5 15 DR331-4-473 47 0.086 2.6 4.5 9.0 DR331-4-683 68 0.13 2.3 3.5 8.0 DR331-4-104 100 0.19 1.8 3 7.0 DR331-4-154 150 0.25 1.5 2.6 6.0 DR331-4-224 220 0.38 1.2 2.4 5.0 DR331-4-334 330 0.56 1.0 1.9 4.0 DR331-4-474 470 0.85 0.82 1.4 3.0 Part No. Inductance (µH) ±20% (Ω) Max. DR331-4-102 1 0.009 8.6 DR331-4-222 2.2 0.014 DR331-4-332 3.3 DR331-4-562 5.6 DR331-4-103 DR331-4-153 Max. (Note 3) DR331-4-684 680 1.1 0.72 1.2 2.5 DR331-4-105 1000 1.8 0.56 1.0 2.0 MECHANICAL SPECIFICATIONS 1 331-4 XXX 1 2 .729 MAX. 18,54 2 SCHEMATIC .279 MAX. 7,11 .600 MAX. 15,24 DATATRONIC: .100 2,54 .114 2,92 .490 12,45 .500 12,70 NOTES: 1. Dimensions are shown in inches/millimeters Unless otherwise specified, tolerance = Inches: ±0.010 = Millimeters: ±0,25 2. Isat based on the inductance being 90% of its initial value 3. Irms based on temperature rise of 40°C 4. Tape & Reel Packaging, 400 pcs / reel. 5. Inductance tested at 0.1 Vrms @ 100 kHz 6. For non-RoHS parts replace DR prefix with 42- (e.g. DR331-4 becomes 42-331-4) 7. Terminal finish is compliant to RoHS requirements. Solder in accordance with JSTD-020C. .109 2,79 SUGGESTED PAD LAYOUT 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701 Email: [email protected] 499 King’s Road, Hong KongTel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.