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February 23, 2007
SMD INDUCTOR DR331-1 SERIES
Features
Low Profile Surface Mount Design Inductance Range from 1.0H to 1000H Operating Temp. -40C to +85C Tinned Leads with Leaded Solder is Available (note 6) ELECTRICAL SPECIFICATIONS AT 25C
Inductance Part No.
DR331-1-102 DR331-1-152 DR331-1-222 DR331-1-332 DR331-1-472 DR331-1-682 DR331-1-103 DR331-1-153 DR331-1-223 DR331-1-333 DR331-1-473 DR331-1-683 DR331-1-104 DR331-1-154 DR331-1-224 DR331-1-334 DR331-1-474 DR331-1-684 DR331-1-105
DCR () Max.
0.009 0.010 0.012 0.015 0.018 0.027 0.038 0.046 0.085 0.10 0.14 0.20 0.28 0.40 0.61 1.02 1.27 2.02 3.00
I rms (A) Max. (Note 3)
6.80 6.40 6.10 5.40 4.80 4.40 3.90 3.10 2.70 2.10 1.80 1.50 1.30 1.00 0.80 0.60 0.50 0.40 0.30
I sat (A) Max. (Note 2)
9.0 8.0 7.0 6.4 5.4 4.6 3.8 3.0 2.6 2.0 1.6 1.4 1.2 1.0 0.8 0.6 0.5 0.4 0.3
SRF (MHz) REF.
100.0 90.0 80.0 65.0 45.0 38.0 30.0 27.0 19.0 15.0 12.0 10.0 9.0 6.0 5.0 4.5 3.5 2.5 2.0
(H) 20%
1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000
MECHANICAL SPECIFICATIONS
1
1 .510 MAX. 12,95 XXX 2
2
.205 MAX. 5,21
SCHEMATIC
.100 2,54 .370 9,40
.109 2,79
.290 7,37 .115 2,92
SUGGESTED PAD LAYOUT
NOTES: 1. Dimensions are shown in inches/millimeters Unless otherwise specified, tolerance = Inches: 0.010 = Millimeters: 0,30 2. Isat based on the inductance being 90% of its initial value 3. Irms based on temperature rise of 40C 4. Tape & Reel Packaging, 500 pcs / reel. 5. Inductance tested at 0.1 Vrms @ 100 kHz 6. For non-RoHS parts replace DR prefix with 42- (e.g. DR331-1 becomes 42-331-1) 7. Terminal finish is compliant to RoHS requirements. Solder in accordance with JSTD-020C.
.300 7,62
DATATRONIC:
28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701 Email: ddisales@datatronics.com 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.

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