August 17, 2009
SMD INDUCTOR DR331-2 SERIES
Features
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 AT 25°C
DCR
Part No.
DR331-2-102
DR331-2-152
DR331-2-222
DR331-2-332
DR331-2-472
DR331-2-682
DR331-2-103
DR331-2-153
DR331-2-223
DR331-2-333
DR331-2-473
DR331-2-683
DR331-2-104
DR331-2-154
DR331-2-224
DR331-2-334
DR331-2-474
DR331-2-684
DR331-2-105
Inductance (H)
1.0
20%
1.5
20%
2.2
20%
3.3
20%
4.7
20%
6.8
20%
10
20%
15
20%
22
10%
33
10%
47
10%
68
10%
100
10%
150
10%
220
10%
330
10%
470
10%
680
10%
1000
10%
() Max.
0.05
0.05
0.07
0.08
0.09
0.13
0.16
0.23
0.37
0.51
0.64
0.86
1.27
2.00
3.11
3.80
6.20
9.20
13.80
I rms (A)
Max. (Note 3)
2.9
2.8
2.4
2.0
1.5
1.4
1.1
1.2
0.80
0.60
0.50
0.40
0.30
0.25
0.20
0.16
0.15
0.12
0.07
I sat (A)
Max. (Note 2)
2.9
2.6
2.3
2.0
1.5
1.2
1.1
0.90
0.70
0.58
0.50
0.40
0.31
0.27
0.22
0.18
0.16
0.14
0.10
SRF
(MHz) REF.
130
115
90
70
50
45
35
30
20
15
14
11
9.0
6.0
5.5
5.0
4.0
3.0
2.0
MECHANICAL SPECIFICATIONS
1
1
.260 MAX.
6,60
XXX
2
2
SCHEMATIC
.160
4,06
.055
1,40
.140
3,56
.115 MAX.
2,92
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, 2000 pcs / reel.
5. Inductance tested at 0.1 Vrms @ 100 kHz
6. For non-RoHS parts replace DR prefix with
42- (e.g. DR331-2 becomes 42-331-2)
7. Terminal finish is compliant to RoHS
requirements. Solder in accordance with J-
STD-020D.
.175 MAX.
4,45
.170
4,32
.050
1,27
SUGGESTED PAD LAYOUT
DATATRONIC:
28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Fax: 951-928-7701 Email: ddisales@datatronics.com
499 King’s Road, Hong Kong Tel: (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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