IHSM-4825
www.vishay.com
Vishay Dale
High Current, Surface Mount Inductors - Wirewound Molded
FEATURES
Flame retardant encapsulant (UL 94 V-0)
Completely encapsulated winding provides
superior environmental protection and moisture
resistance
High current unit in surface mount package
printed with model, inductance value and date code
Compatible with infrared or conventional reflow soldering
methods
STANDARD ELECTRICAL SPECIFICATIONS
Pick and place compatible
IND. DCR
RATED INCREMENTAL
Tape and reel packaging for automatic handling
AT 1 kHz MAX. CURRENT MAX. CURRENT APPROX.
Material categorization: For definitions of compliance
(A) (A)
(H) ()
please see www.vishay.com/doc?99912
1.0 0.013 8.6 4.1
APPLICATIONS
1.2 0.018 7.6 3.8
Excellent power line noise filters, filters for switching
1.5 0.02 6.9 3.5
regulated power supplies, DC/DC converters, SCR and triac
1.8 0.021 6.5 3.2
controls and RFI suppression.
2.2 0.029 5.7 2.9
ELECTRICAL SPECIFICATIONS
2.7 0.034 5.1 2.6
Inductance: Measured at 1 V with no DC current
3.3 0.038 4.6 2.4
Inductance Tolerance: 15 %
3.9 0.042 4.3 2.2
Incremental Current: The typical current at which the
4.7 0.047 4.0 2.0
inductance will be decreased by 5 % from its initial zero DC
5.6 0.051 3.8 1.9
value
6.8 0.058 3.5 1.7 Operating Temperature: -55 C to +125 C (no load);
-55 C to +85 C (at full rated current)
8.2 0.063 3.3 1.5
10.0 0.071 3.1 1.4
MECHANICAL SPECIFICATIONS
12.0 0.079 2.7 1.3
Core: High resistivity ferrite core
15.0 0.089 2.3 1.2 Encapsulant: Epoxy
18.0 0.119 1.9 1.1 Terminals: 100 % Sn over Ni
22.0 0.152 1.7 1.02
DIMENSIONS in inches [millimeters]
27.0 0.179 1.6 0.95
Recommended Pad Layout
0.660 [16.764]
33.0 0.222 1.3 0.88
39.0 0.315 1.19 0.8
47.0 0.362 1.07 0.74
0.220
0.220
[5.588] [5.588]
56.0 0.397 0.95 0.68 0.300 [7.62]
68.0 0.446 0.87 0.62
0.180 [4.572] 0.180 [4.572]
82.0 0.604 0.8 0.56
100.0 0.672 0.73 0.5 0.540 [13.72] 0.170 0.010
[4.32 0.25]
Max.
120.0 0.735 0.66 0.45
150.0 0.998 0.58 0.4 0.225
[5.72]
180.0 1.37 0.5 0.35
Max.
220.0 1.58 0.46 0.32
0.075 0.010
270.0 1.77 0.41 0.3
[1.91 0.25]
0.250 [6.35]
330.0 2.51 0.37 0.28
0.480 0.020
Max.
[12.19 0.51]
390.0 2.73 0.34 0.26
470.0 3.36 0.32 0.24
PART MARKING
560.0 3.75 0.3 0.23
- Model
680.0 4.31 0.28 0.2
- Inductance value
820.0 6.04 0.26 0.17
- Date code
1000.0 6.9 0.24 0.15
DESCRIPTION
3.9 H
IHSM-4825 15 % ER e3
MODEL INDUCTANCE VALUE INDUCTANCE TOLERANCE PACKAGE CODE JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I H S M 482 5 E R 3 R 9 L
PRODUCT FAMILY SIZE PACKAGE INDUCTANCE TOL.
CODE VALUE
Revision: 20-Sep-13 Document Number: 34019
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
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 Vishays 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 customers 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 Vishays 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-sustainin g
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.
2019 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2019 Document Number: 91000
1