IHSM-4825
Vishay Dale
High Current, Surface Mount Inductors
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
• Pick and place compatible
• Tape and reel packaging for automatic handling
• Compliant to RoHS Directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
IND.
AT 1 kHz
(μH)
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.
()
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
INCREMENTAL
CURRENT MAX. CURRENT APPROX.
(A)
(A)
8.6
4.1
7.6
3.8
6.9
3.5
6.5
3.2
5.7
2.9
5.1
2.6
4.6
2.4
4.3
2.2
4.0
2.0
3.8
1.9
3.5
1.7
3.3
1.5
3.1
1.4
2.7
1.3
2.3
1.2
1.9
1.1
1.7
1.02
1.6
0.95
1.3
0.88
1.19
0.8
1.07
0.74
0.95
0.68
0.87
0.62
0.8
0.56
0.73
0.5
0.66
0.45
0.58
0.4
0.5
0.35
0.46
0.32
0.41
0.3
0.37
0.28
0.34
0.26
0.32
0.24
0.3
0.23
0.28
0.2
0.26
0.17
0.24
0.15
APPLICATIONS
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 V 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)
MECHANICAL SPECIFICATIONS
Core: High resistivity ferrite core
Encapsulant: Epoxy
Terminals: 100 % Sn over Ni
DIMENSIONS in inches [millimeters]
0.660 [16.764]
0.220
[5.588]
Recommended Pad Layout
0.220
[5.588]
0.300 [7.62]
0.180 [4.572]
0.180 [4.572]
0.170 ± 0.010
[4.32 ± 0.25]
0.540 [13.72]
Max.
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 μH
INDUCTANCE VALUE
± 15 %
INDUCTANCE TOLERANCE
ER
PACKAGE CODE
e3
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I
H
S
PRODUCT FAMILY
Document Number: 34019
Revision: 04-Feb-11
M
4
8
2
SIZE
5
E
R
PACKAGE
CODE
For technical questions, contact: magnetics@vishay.com
3
R
INDUCTANCE
VALUE
9
L
TOL.
www.vishay.com
1