November 2, 2011
SMD INDUCTOR DR331-3 SERIES
Features
Low Profile Surface Mount Design
Inductance Range from 10µH to 1000µH
Operating Temp. -40°C to +85°C
Tinned Leads with Leaded Solder is Available
(note 8)
ELECTRICAL SPECIFICATIONS AT 25°C
Inductance (H)
±20%
10
15
22
33
47
68
100
150
220
330
470
680
1000
DCR
() Max.
0.11
0.15
0.23
0.30
0.39
0.66
0.84
1.20
1.90
2.70
4.00
5.30
8.40
I rms (A)
Max. (Note 3)
2.0
1.5
1.3
1.1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.05
I sat (A)
Max. (Note 2)
2.4
2.0
1.6
1.4
1.0
0.9
0.7
0.6
0.5
0.4
0.3
0.2
0.1
SRF
(MHz) REF.
35
33
25
19
14
12
10
8.0
6.0
5.0
4.0
3.0
2.5
Part No.
DR331-3-103
DR331-3-153
DR331-3-223
DR331-3-333
DR331-3-473
DR331-3-683
DR331-3-104
DR331-3-154
DR331-3-224
DR331-3-334
DR331-3-474
DR331-3-684
DR331-3-105
MECHANICAL SPECIFICATIONS
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, 1000 pcs / reel.
5. Inductance tested at 0.1 Vrms @ 100 kHz
6. Terminal finish is compliant to RoHS
requirements
7. Solder in accordance with J-STD-002 Rev. D
8. Non-RoHS series parts 42-331-3-XXX are
finished with leaded solder Sn60Pb40 or
equivalent
1
1
XXX
2
2
.510 MAX.
12,95
SCHEMATIC
.138 MAX.
3,50
.115
2,92
.290
7,37
.370 MAX.
9,40
.300
7,62
.100
2,54
.110
2,79
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 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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