Surface Mount, Molded Inductor
www.vishay.com For technical questions, contact: magnetics@vishay.com Document Number: 34044
110 Revision: 26-Feb-06
IMC-1812
Vishay Dale
FEATURES
•Molded construction provides superior strength
and moisture resistance
•Tape and reel packaging for automatic handling,
2000/reel, EIA 481
•Printed marking
•Compatible with vapor phase and infrared reflow
soldering
•100 % lead (Pb)-free and RoHS compliant
RoHS
C
O
M
P
L
I
AN
T
STANDARD ELECTRICAL SPECIFICATIONS
IND.
(µH) TOL. Q
MIN.
TEST
FREQ.
L & Q
(MHz)
SELF-
RESONANT
FREQ. MIN.
(MHz)
DCR
MAX.
(Ohms)
RATED*
DC
CURRENT
(mA)
0.010
0.012
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
50
50
50
50
50
50
50
50
40
40
40
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
1000
1000
1000
1000
1000
1000
1000
1000
900
800
700
0.20
0.20
0.20
0.20
0.20
0.30
0.30
0.30
0.35
0.35
0.40
450
450
450
450
450
450
450
450
450
450
450
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 10 %
± 10 %
± 10 %
± 10 %
30
30
30
30
30
30
30
30
30
30
30
30
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
650
600
500
400
350
300
250
220
190
170
150
140
0.32
0.30
0.30
0.35
0.40
0.45
0.55
0.70
0.80
1.20
1.40
1.60
450
450
450
450
450
450
430
380
355
285
270
250
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
50
50
50
50
50
50
50
50
50
50
50
50
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
100
80.0
70.0
60.0
55.0
50.0
45.0
40.0
35.0
33.0
27.0
25.0
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.90
1.00
1.10
1.20
1.40
450
430
410
390
380
370
355
330
315
300
285
270
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
50
50
50
50
50
50
50
50
50
50
50
50
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
20.0
18.0
17.0
15.0
13.0
12.0
11.0
11.0
10.0
9.0
9.0
8.0
1.60
2.00
2.50
2.80
3.20
3.60
4.00
4.50
5.00
5.50
6.00
7.00
250
225
200
190
180
170
160
150
140
135
130
120
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
40
40
40
40
40
40
40
40
40
30
30
30
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
8.0
6.0
5.0
5.0
4.0
4.0
3.5
3.0
3.0
3.0
3.0
2.5
8.00
8.00
9.00
9.50
10.0
12.0
14.0
16.0
26.0
30.0
30.0
35.0
110
110
105
102
100
92
85
80
62
50
50
30
1000.0
± 10 % 30 0.25 2.5 40.0 30
ELECTRICAL SPECIFICATIONS
Inductance Range: 0.010 µH to 1000 µH
Inductance Tolerance: ± 20 % for 0.010 µH to 0.39 µH
± 10 % for 0.47 µH to 1000 µH standard
± 10 %, ± 5 %, ± 3 % available
Temperature Range: - 55 °C to + 125 °C
Coilform Material: Non-magnetic for 0.010 µH to 0.82 µH
Powdered Iron for 1.0 µH to 120 µH. Ferrite for 150 µH to
1000 µH
TEST EQUIPMENT
•H/P 4342A Q meter with Vishay Dale test fixture or
equivalent
•
H/P 4191A RF Impedance Analyzer (for SRF measurements)
•Wheatstone bridge
* Recommended minimum spacing between components
DIMENSIONS in inches [millimeters]
PART MARKING
- Vishay Dale
- Inductance value
- Date code
DESCRIPTION
IMC-1812 10 µH
± 10 % ER e3
MODEL INDUCTANCE VALUE INDUCT ANCE TOLERANCE PACKAGE CODE JEDEC LEAD FREE STANDARD
PRODUCT FAMIL Y SIZE INDUCT ANCE
V ALUE
PA CKAG E
CODE TOL.
GLOBAL PART NUMBER
IMC 1 812 ER 10 0 K
0.177 ± 0.008
[4.50 ± 0.203]
0.124 [3.15]
Ref.
Guidelines for
Parallel Component
Printed Circuit
Mounting Pads on
IMC-1812 Chip
Inductors
0.126 ± 0.008
[3.20 ± 0.203]
0.030 ±0
0.004
[0.762 ±
0.102]
Typ.
0.006
[0.152]
Ref.
Typ.
0.126 ± 0.008
[3.20 ± 0.203]
0.037 ± 0.008
[.940 ± 0.203]
0.050 + 0.004
- 0.008
[1.27 + 0.102
- 0.203]
Typ.
0.024*
[0.6]
0.059
[1.5]
0.059
[1.5]
0.118 [3.0]
0.158
[4.0]
0.158
[4.0]
0.181
[4.6]
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
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