Model IHSM-4825
Vishay Dale
Inductors
High Current, Surface Mount
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.
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)
APPLICATIONS
RATED
CURRENT
(Max. Amps)
INCREMENTAL
CURRENT
(Amps Approx.)
Excellent power line noise filters, filters for switching
regulated power supplies, DC/DC converters, SCR and
Triac controls and RFI suppression.
ELECTRICAL SPECIFICATIONS
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
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
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
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.
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
.170
±
.010
[4.32
±
0.25]
.540 [13.72]
Max.
.225
[5.72]
Max.
.075
±
.010
[1.91
±
0.25]
.480
±
.020
[12.19
±
0.51]
.250 [6.35]
Max.
PART MARKING
— Model
— Inductance value
— Date code
HOW TO ORDER
IHSM-4825
MODEL
3.9
µ
H
INDUCTANCE
VALUE
±
15%
INDUCTANCE
TOLERANCE
www.vishay.com
48
Document Number 34019
Revision 28-Apr-99
Microchip MCU
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