IMC-1812
www.vishay.com
Vishay Dale
Wirewound, Surface Mount, Molded Inductors
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
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
DCR RATED DC
MAX. CURRENT
IND.
()
(mA)
(1)
(μH)
TOL.
0.010 ± 20 %
0.20
450
0.012 ± 20 %
0.20
450
0.018 ± 20 %
0.20
450
0.022 ± 20 %
0.20
450
0.027 ± 20 %
0.20
450
0.033 ± 20 %
0.30
450
0.039 ± 20 %
0.30
450
0.047 ± 20 %
0.30
450
0.056 ± 20 %
0.35
450
0.068 ± 20 %
0.35
450
0.082 ± 20 %
0.40
450
0.10 ± 20 %
0.32
450
0.12 ± 20 %
0.30
450
0.15 ± 20 %
0.30
450
0.18 ± 20 %
0.35
450
0.22 ± 20 %
0.40
450
0.27 ± 20 %
0.45
450
0.33 ± 20 %
0.55
430
0.39 ± 20 %
0.70
380
0.47 ± 10 %
0.80
355
0.56 ± 10 %
1.20
285
0.68 ± 10 %
1.40
270
0.82 ± 10 %
1.60
250
1.0
± 10 %
0.50
450
1.2
± 10 %
0.55
430
1.5
± 10 %
0.60
410
1.8
± 10 %
0.65
390
2.2
± 10 %
0.70
380
2.7
± 10 %
0.75
370
3.3
± 10 %
0.80
355
3.9
± 10 %
0.90
330
4.7
± 10 %
1.00
315
5.6
± 10 %
1.10
300
6.8
± 10 %
1.20
285
8.2
± 10 %
1.40
270
10.0 ± 10 %
1.60
250
12.0 ± 10 %
2.00
225
15.0 ± 10 %
2.50
200
18.0 ± 10 %
2.80
190
22.0 ± 10 %
3.20
180
27.0 ± 10 %
3.60
170
33.0 ± 10 %
4.00
160
39.0 ± 10 %
4.50
150
47.0 ± 10 %
5.00
140
56.0 ± 10 %
5.50
135
68.0 ± 10 %
6.00
130
82.0 ± 10 %
7.00
120
100.0 ± 10 %
8.00
110
120.0 ± 10 %
8.00
110
150.0 ± 10 %
9.00
105
180.0 ± 10 %
9.50
102
220.0 ± 10 %
10.0
100
270.0 ± 10 %
12.0
92
330.0 ± 10 %
14.0
85
390.0 ± 10 %
16.0
80
470.0 ± 10 %
26.0
62
560.0 ± 10 %
30.0
50
680.0 ± 10 %
30.0
50
820.0 ± 10 %
35.0
30
1000.0 ± 10 %
40.0
30
Note
(1)
Rated DC current based on the maximum temperature rise, not
to exceed 40 °C at +85 °C ambient
TEST FREQ.
SRF
(MHz)
MIN.
Q
MIN. (MHz)
L&Q
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
50 1000
50.0
40
900
50.0
40
800
50.0
40
700
25.2
30
650
25.2
30
600
25.2
30
500
25.2
30
400
25.2
30
350
25.2
30
300
25.2
30
250
25.2
30
220
25.2
30
190
25.2
30
170
25.2
30
150
25.2
30
140
7.96
50
100
7.96
50
80.0
7.96
50
70.0
7.96
50
60.0
7.96
50
55.0
7.96
50
50.0
7.96
50
45.0
7.96
50
40.0
7.96
50
35.0
7.96
50
33.0
7.96
50
27.0
7.96
50
25.0
2.52
50
20.0
2.52
50
18.0
2.52
50
17.0
2.52
50
15.0
2.52
50
13.0
2.52
50
12.0
2.52
50
11.0
2.52
50
11.0
2.52
50
10.0
2.52
50
9.0
2.52
50
9.0
2.52
50
8.0
0.79
40
8.0
0.79
40
6.0
0.79
40
5.0
0.79
40
5.0
0.79
40
4.0
0.79
40
4.0
0.79
40
3.5
0.79
40
3.0
0.79
40
3.0
0.79
30
3.0
0.79
30
3.0
0.79
30
2.5
0.25
30
2.5
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]
0.126 ± 0.008
[3.200 ± 0.203]
0.177 ± 0.008
[4.500 ± 0.203]
0.126 ± 0.008
[3.200 ± 0.203]
0.037 ± 0.008
[0.940 ± 0.203]
0.006 [0.152]
Ref. Typ.
0.030 ± 0.004
[0.762 ± 0.102]
Typ.
+ 0.004
- 0.008
+ 0.102
[1.270
- 0.203
]
0.050
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]
0.158
[4.0]
0.059
[1.5]
0.118 [3.0]
0.059
[1.5]
Note
(2)
Recommended minimum spacing between components
PART MARKING
- Vishay Dale
- Inductance value
- Date code
Revision: 21-Jul-15
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
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www.vishay.com
Vishay
Disclaimer
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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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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
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including but not limited to the warranty expressed therein.
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Revision: 08-Feb-17
1
Document Number: 91000
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