IMC-1812
www.vishay.com
Vishay Dale
Wirewound, Surface-Mount, Molded Inductors
FEATURES
STANDARD ELECTRICAL SPECIFICATIONS
TEST FREQ.
SRF DCR RATED DC
(MHz)
MIN. MAX. CURRENT
IND.
Q
(mA) (1)
(μH)
TOL.
MIN. (MHz) ()
L&Q
0.010 ± 20 %
50.0
50 1000 0.20
450
0.012 ± 20 %
50.0
50 1000 0.20
450
0.018 ± 20 %
50.0
50 1000 0.20
450
0.022 ± 20 %
50.0
50 1000 0.20
450
0.027 ± 20 %
50.0
50 1000 0.20
450
0.033 ± 20 %
50.0
50 1000 0.30
450
0.039 ± 20 %
50.0
50 1000 0.30
450
0.047 ± 20 %
50.0
50 1000 0.30
450
0.056 ± 20 %
50.0
40
900
0.35
450
0.068 ± 20 %
50.0
40
800
0.35
450
0.082 ± 20 %
50.0
40
700
0.40
450
0.10 ± 20 %
25.2
30
650
0.32
450
0.12 ± 20 %
25.2
30
600
0.30
450
0.15 ± 20 %
25.2
30
500
0.30
450
0.18 ± 20 %
25.2
30
400
0.35
450
0.22 ± 20 %
25.2
30
350
0.40
450
0.27 ± 20 %
25.2
30
300
0.45
450
0.33 ± 20 %
25.2
30
250
0.55
430
0.39 ± 20 %
25.2
30
220
0.70
380
0.47 ± 10 %
25.2
30
190
0.80
355
0.56 ± 10 %
25.2
30
170
1.20
285
0.68 ± 10 %
25.2
30
150
1.40
270
0.82 ± 10 %
25.2
30
140
1.60
250
1.0
± 10 %
7.96
50
100
0.50
450
1.2
± 10 %
7.96
50
80.0 0.55
430
1.5
± 10 %
7.96
50
70.0 0.60
410
1.8
± 10 %
7.96
50
60.0 0.65
390
2.2
± 10 %
7.96
50
55.0 0.70
380
2.7
± 10 %
7.96
50
50.0 0.75
370
3.3
± 10 %
7.96
50
45.0 0.80
355
3.9
± 10 %
7.96
50
40.0 0.90
330
4.7
± 10 %
7.96
50
35.0 1.00
315
5.6
± 10 %
7.96
50
33.0 1.10
300
6.8
± 10 %
7.96
50
27.0 1.20
285
8.2
± 10 %
7.96
50
25.0 1.40
270
10.0 ± 10 %
2.52
50
20.0 1.60
250
12.0 ± 10 %
2.52
50
18.0 2.00
225
15.0 ± 10 %
2.52
50
17.0 2.50
200
18.0 ± 10 %
2.52
50
15.0 2.80
190
22.0 ± 10 %
2.52
50
13.0 3.20
180
27.0 ± 10 %
2.52
50
12.0 3.60
170
33.0 ± 10 %
2.52
50
11.0 4.00
160
39.0 ± 10 %
2.52
50
11.0 4.50
150
47.0 ± 10 %
2.52
50
10.0 5.00
140
56.0 ± 10 %
2.52
50
9.0
5.50
135
68.0 ± 10 %
2.52
50
9.0
6.00
130
82.0 ± 10 %
2.52
50
8.0
7.00
120
100.0 ± 10 %
0.79
40
8.0
8.00
110
120.0 ± 10 %
0.79
40
6.0
8.00
110
150.0 ± 10 %
0.79
40
5.0
9.00
105
180.0 ± 10 %
0.79
40
5.0
9.50
102
220.0 ± 10 %
0.79
40
4.0
10.0
100
270.0 ± 10 %
0.79
40
4.0
12.0
92
330.0 ± 10 %
0.79
40
3.5
14.0
85
390.0 ± 10 %
0.79
40
3.0
16.0
80
470.0 ± 10 %
0.79
40
3.0
26.0
62
560.0 ± 10 %
0.79
30
3.0
30.0
50
680.0 ± 10 %
0.79
30
3.0
30.0
50
820.0 ± 10 %
0.79
30
2.5
35.0
30
1000.0 ± 10 %
0.25
30
2.5
40.0
30
Note
(1) Rated DC current based on the maximum temperature rise, not
to exceed 40 °C at +85 °C ambient
Revision: 10-Sep-2019
• 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
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
ELECTRICAL SPECIFICATIONS
Inductance range: 0.010 μH to 1000 μH
Special tolerances available upon request
Operating temperature: -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
DIMENSIONS in inches [millimeters]
0.037 ± 0.008
[0.940 ± 0.203]
0.126 ± 0.008
[3.200 ± 0.203]
0.006 [0.152]
Ref. Typ.
0.177 ± 0.008
[4.500 ± 0.203]
+ 0.004
- 0.008
+ 0.102
[1.270 - 0.203 ]
0.050
0.126 ± 0.008
[3.200 ± 0.203]
Typ.
0.030 ± 0.004
[0.762 ± 0.102]
Typ.
0.124 [3.15]
Ref.
Guidelines for
Parallel Component
Printed Circuit
Mounting Pads on
IMC-1812 Chip
Inductors
0.158
[4.0]
0.181
[4.6]
0.024 (1)
[0.6]
0.059
[1.5]
0.158
[4.0]
0.059
[1.5]
0.118 [3.0]
Note
(1) Recommended minimum spacing between components
PART MARKING
- Vishay Dale
- Inductance code
- Date code
Document Number: 34044
1
For technical questions, contact: magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
IMC-1812
www.vishay.com
Vishay Dale
DESCRIPTION
IMC-1812
10 μH
± 10 %
ER
e3
MODEL
INDUCTANCE VALUE
INDUCTANCE TOLERANCE
PACKAGE CODE
JEDEC® LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I
M
PRODUCT
FAMILY
Revision: 10-Sep-2019
C
1
8
1
SIZE
2
E
R
PACKAGE
CODE
1
0
INDUCTANCE
VALUE
0
K
TOL.
Document Number: 34044
2
For technical questions, contact: magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
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© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000
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