ISC-1812
www.vishay.com
Vishay Dale
Wirewound, Surface-Mount, Molded, Shielded Inductors
FEATURES
• Molded construction provides superior strength
and moisture resistance
• Tape and reel packaging for automatic handling,
2000/reel, EIA-481
STANDARD ELECTRICAL SPECIFICATIONS
IND.
(μH)
TOL.
0.10
0.12
0.15
0.18
0.22
0.33
0.39
0.47
0.56
0.68
0.82
0.8
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
± 10 %
TEST
FREQ.
(MHz) Q MIN.
L&Q
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
50
50
50
50
50
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
30
40
30
30
SRF DCR
MIN. MAX.
(MHz)
()
460
400
390
350
310
280
240
215
205
195
165
155
140
120
100
90.0
80.0
67.0
61.0
56.0
50.0
40.0
32.0
30.0
25.0
22.0
18.0
15.0
14.0
13.0
12.0
11.0
9.0
8.0
7.6
7.2
7.0
6.0
5.0
4.5
4.2
4.0
3.7
3.5
3.3
2.8
2.6
2.2
2.0
0.23
0.26
0.29
0.32
0.36
0.40
0.45
0.60
0.75
0.80
0.95
1.20
0.35
0.38
0.40
0.43
0.46
0.49
0.55
0.59
0.62
0.69
0.75
0.82
0.90
1.00
1.10
1.24
1.36
1.56
1.72
1.89
2.10
2.34
2.60
2.86
3.25
3.64
4.16
5.72
6.30
6.90
7.54
8.20
9.20
10.50
12.00
13.50
16.00
RATED DC
CURRENT
(mA) (1)
552
519
491
468
441
418
394
342
306
296
271
242
447
429
418
403
390
378
357
344
336
333
306
292
279
265
252
238
227
212
202
192
183
173
164
156
147
139
130
111
105
101
96
92
87
82
76
72
66
Note
(1) Rated DC current based on the maximum temperature rise, not
to exceed 40 °C at +85 °C ambient
Revision: 10-Sep-2019
• Compatible with vapor phase and infrared reflow
soldering
• Shielded construction minimizes coupling to other
components
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
ELECTRICAL SPECIFICATIONS
Inductance range: 0.10 μH to 1000 μH
Special tolerances available upon request
Operating temperature: -55 °C to +125 °C
Coilform material: non-magnetic for 0.10 μH to 0.82 μH;
powdered iron for 1.0 μH to 22 μH; ferrite for 27 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
ISC-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: 34061
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
ISC-1812
www.vishay.com
Vishay Dale
COUPLING SPECIFICATIONS (maximum)
COUPLING (%)
10
5
1
0.5
1
5
10
50 100
5001000
INDUCTANCE (µH)
DESCRIPTION
ISC-1812
10 μH
± 10 %
ER
e3
MODEL
INDUCTANCE VALUE
INDUCTANCE TOLERANCE
PACKAGE CODE
JEDEC® LEAD (Pb)-FREE STANDARD
E
1
GLOBAL PART NUMBER
I
S
PRODUCT
FAMILY
Revision: 10-Sep-2019
C
1
8
1
SIZE
2
R
PACKAGE
CODE
0
INDUCTANCE
VALUE
0
K
TOL.
Document Number: 34061
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.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical 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.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2021
1
Document Number: 91000
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