Model IHD
Vishay Dale
Filter Inductors
High Current
FEATURES
•
Printed circuit mounting (axial leads).
•
Protected by polyolefin tubing.
•
High saturation bobbin used allowing high inductance with low DC resistance.
•
Pre-tinned leads.
•
High resistivity core offers very high parallel resistance, resulting in maximum
coil performance.
•
20 sleeveless models available at reduced cost.
STANDARD ELECTRICAL SPECIFICATIONS
MODEL IHD-1
MODEL IHD-3
INCRE-
RATED MENTAL
DCR CURRENT CURRENT
(Amps
MAX.
(Max.
TOL.
(Ohms)
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
.007
.008
.011
.011
.013
.016
.018
.020
.022
.024
.025
.028
.031
.034
.043
.059
.066
.084
.113
.129
.150
.162
.226
.257
.288
.393
.504
.570
.643
.844
.977
1.18
1.50
1.76
2.13
2.53
2.84
3.79
4.24
5.75
6.44
7.30
9.34
10.7
14.8
18.0
22.7
25.7
29.7
33.7
38.0
52.8
67.3
76.0
Amps)
Approx.)
ELECTRICAL SPECIFICATIONS
INCRE-
RATED
MENTAL
IND.
DCR CURRENT CURRENT
IND.
@ 1kHz
MAX.
(Amps
@ 1kHz
(Max.
(
µ
H)
TOL.
(Ohms)
Approx.)
Amps)
(
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
1200.0
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
6800.0
8200.0
10000.0
12000.0
15000.0
18000.0
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
±
15%
.009
.010
.011
.012
.013
.014
.016
.017
.022
.024
.026
.028
.033
.037
.040
.044
.050
.070
.075
.084
.104
.130
.145
.152
.208
.283
.330
.362
.505
.557
.650
.770
1.03
1.14
1.50
1.98
2.30
2.55
3.0
4.0
4.40
5.80
6.56
8.63
10.1
11.2
15.0
20.8
23.4
26.0
36.0
40.0
5.3
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.4
3.2
3.1
3.0
2.8
2.6
2.5
2.4
2.2
1.9
1.8
1.7
1.6
1.4
1.3
1.3
1.1
.94
.87
.83
.70
.67
.62
.57
.49
.47
.41
.36
.33
.31
.29
.25
.24
.21
.20
.17
.16
.15
.13
.11
.10
.10
.08
.08
7.0
6.4
5.7
5.2
4.7
4.3
3.9
3.6
3.3
3.0
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.4
1.3
1.2
1.1
.97
.88
.80
.73
.66
.60
.54
.49
.45
.40
.37
.34
.31
.28
.26
.23
.21
.19
.18
.16
.14
.13
.12
.11
.10
.09
.08
.08
.07
.06
.06
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
1200.0
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
6800.0
8200.0
10000.0
12000.0
15000.0
18000.0
22000.0
27000.0
33000.0
39000.0
47000.0
56000.0
68000.0
82000.0
100000.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
3.2
2.5
2.0
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.2
1.0
1.0
.80
.80
.60
.60
.60
.50
.40
.40
.40
.40
.32
.25
.25
.25
.20
.20
.16
.13
.13
.13
.10
.10
.10
.08
.07
.07
8.2
7.5
6.9
6.3
5.7
5.2
4.7
4.3
3.9
3.5
3.2
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
.95
.88
.80
.74
.67
.61
.56
.51
.46
.42
.38
.34
.31
.29
.26
.24
.22
.20
.18
.17
.15
.14
.12
.11
.10
.09
.09
.08
.07
.07
.06
Inductance:
Measured at 1V with no
DC current.
Incremental Current:
The typical current
at which the inductance will be decreased
by 5% from its initial zero DC value.
Dielectric Rating:
2500V RMS between
winding and outer circumference to within
.250" [6.35mm] of the insulating sleeve
edge.
Operating Temperature:
- 55°C to + 125°C (no load).
- 55°C to + 85°C (at full rated current).
Current Rating:
Maximum continuous.
Operating current (DC or RMS) based on a
40°C temperature rise.
MECHANICAL SPECIFICATIONS
Wire:
Solid soft copper.
Terminals:
20 AWG tinned copper leads.
Coating:
Polyolefin tubing - flame
retardant UL type VW-1 per MIL-I-23053/5,
Class 3 requirements.
Core Material:
Ferrite.
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
B Max.
1.13 [28.70]
Min. Typ.
.032 [.813]
Dia. Typ.
A Dia.
Max.
#20 AWG
MODEL
IHD-1
IHD-3
A
(Max.)
.270 [6.85]
.460 [11.68]
B
(Max.)
.700 [17.78]
.900 [22.86]
PART MARKING
— Vishay Dale
— Model
— Value
— Date code
HOW TO ORDER
IHD-1
MODEL
3.9
µ
H
INDUCTANCE
VALUE
±
15%
INDUCTANCE
TOLERANCE
www.vishay.com
118
Document Number 34016
Revision 28-Apr-99
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