IHSM-4825
Vishay Dale
High Current, Surface Mount Inductor
FEATURES
•
Flame retardant encapsulant (UL 94V-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.
•
Pick and place compatible.
•
Tape and reel packaging for automatic handling.
APPLICATIONS
STANDARD ELECTRICAL SPECIFICATIONS
IND.
@ 1kHz
(
µ
H)
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
DCR
MAX.
(Ohms)
0.013
0.018
0.02
0.021
0.029
0.034
0.038
0.042
0.047
0.051
0.058
0.063
0.071
0.079
0.089
0.119
0.152
0.179
0.222
0.315
0.362
0.397
0.446
0.604
0.672
0.735
0.998
1.37
1.58
1.77
2.51
2.73
3.36
3.75
4.31
6.04
6.9
RATED
CURRENT
(Max. Amps)
8.6
7.6
6.9
6.5
5.7
5.1
4.6
4.3
4.0
3.8
3.5
3.3
3.1
2.7
2.3
1.9
1.7
1.6
1.3
1.19
1.07
0.95
0.87
0.8
0.73
0.66
0.58
0.5
0.46
0.41
0.37
0.34
0.32
0.3
0.28
0.26
0.24
INCREMENTAL
CURRENT
(Amps Approx.)
4.1
3.8
3.5
3.2
2.9
2.6
2.4
2.2
2.0
1.9
1.7
1.5
1.4
1.3
1.2
1.1
1.02
0.95
0.88
0.8
0.74
0.68
0.62
0.56
0.5
0.45
0.4
0.35
0.32
0.3
0.28
0.26
0.24
0.23
0.2
0.17
0.15
Excellent power line noise filters, filters for switching
regulated power supplies, DC/DC converters, SCR and
Triac controls and RFI suppression.
ELECTRICAL SPECIFICATIONS
Inductance:
Measured at 1 volt with no DC current.
Inductance Tolerance:
±
15%.
Incremental Current:
The typical current at which the
inductance will be decreased by 5% from its initial zero
DC value.
Operating Temperature:
- 55°C to + 125°C (no load);
- 55°C to + 85°C (at full rated current).
MATERIAL SPECIFICATIONS
Core:
High resistivity ferrite core.
Encapsulant:
Epoxy.
Terminals:
60/40 solder coated copper.
DIMENSIONS
in inches [millimeters]
0.660 [16.764]
Recommended Pad Layout
0.220
[5.588]
0.300 [7.62]
0.220
[5.588]
0.180 [4.572]
0.540 [13.72]
Max.
0.180 [4.572]
0.170
±
0.010
[4.32
±
0.25]
0.225
[5.72]
Max.
0.075
±
0.010
[1.91
±
0.25]
0.480
±
0.020
[12.19
±
0.51]
0.250 [6.35]
Max.
PART MARKING
— Model
— Inductance value
— Date code
DESCRIPTION
IHSM-4825
MODEL
3.9
µ
H
INDUCTANCE
VALUE
±
15%
INDUCTANCE
TOLERANCE
SAP PART NUMBERING GUIDELINES (INTERNAL)
I
H
S
M
4
8
SIZE
2
5
R
E
3
R
9
L
TOL.
PRODUCT FAMILY
See the end of this data book for conversion tables
PACKAGE
CODE
INDUCTANCE
VALUE
www.vishay.com
28
For technical questions, contact Magnetics@vishay.com
Document Number 34019
Revision 20-Jan-03
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