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February 23, 2007
SHIELDED SMD INDUCTOR DR331-8 SERIES
Features
Low Profile Surface Mount Design Inductance Range from 1.0H to 47H Operating Temp. -40C to +85C Tinned Leads with Leaded Solder is Available (note 6) ELECTRICAL SPECIFICATIONS AT 25C
Inductance Part No.
DR331-8-102 DR331-8-152 DR331-8-222 DR331-8-332 DR331-8-472 DR331-8-682 DR331-8-103 DR331-8-153 DR331-8-223 DR331-8-333 DR331-8-473
DCR () Max.
0.021 0.022 0.032 0.039 0.054 0.075 0.101 0.15 0.207 0.334 0.472
I rms (A) Max. (Note 3)
5.0 4.5 3.8 3.3 2.7 2.2 2.0 1.5 1.3 1.1 0.8
I sat (A) Max. (Note 2)
5.6 5.2 5.0 3.9 3.2 2.8 2.4 2.0 1.6 1.4 1.0
Q Min.
10 10 10 10 15 15 15 20 20 20 20
SRF MHz (REF.)
140 120 80 70 40 38 35 25 19 15 13
(H) 20%
1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47
MECHANICAL SPECIFICATIONS
1
.370 MAX. 9,40 1
331-8 XXX
2
2
.200 MAX. 5,08 .510 MAX. 12,95
.110 2,79
SCHEMATIC
.115 2,92
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. DR331-8 becomes 42-331-8) 7. Terminal finish is compliant to RoHS requirements. Solder in accordance with JSTD-020C.
.100 2,54
.300 7,62
.290 7,37
SUGGESTED PAD LAYOUT
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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