ETC HM28

MODEL HM28 SERIES
Buckle Style Core
Common-Mode Chokes
FEATURES AND BENEFITS
•
•
•
•
Compact size, large inductance
Excellent frequency characteristic
Low magnetic flux leakage
Complies with UL, VDE safety requirements
APPLICATIONS
•
•
•
•
Switching power supplies
Video and audio equipment
Office equipment
Communications equipment and other electronic devices
ELECTRICAL / ENVIRONMENTAL
Insulation Resistance, Minimum
Voltage Rating
Insulation System
Temperature Rise, Maximum
100 Megohm
250 VAC
Class B, 130°C
40°C
SCHEMATIC
(4)
L2
(3)
(1)
L1
(2)
Specifications subject to change without notice.
6-69
Model HM28 Series
6
OUTLINE DIMENSIONS (Inch/mm)
Figure 1
Figure 2
.67
17.0
.87
22.0
.87
22.0
.87
22.0
.91
23.1
.91
23.1
.030±.002
0.76±0.05
Dia. Typ.
(3)
(2)
.030±.002
0.76±0.05
Dia. Typ.
(2)
.510±.010
13.0±0.25
.157
4.0
(3)
(1)
.390±.010
10.0±0.25
(2)
Figure 3
1.03
26.0
(1)
.390±.010
10.0±0.25
1.18
30.0
1.18
30.0
.98
25.0
.94
24.0
(2)
.830±.010
21.0±0.25
.157
4.0
Figure 4
1.03
26.0
(3)
(2)
.510±.010
13.0±0.25
.157
4.0
.030±.002
0.76±0.05
Dia. Typ.
(2)
(3)
(1)
(2)
.940±.010
24.0±0.25
.590±.010
15.0±0.25
6-70
.157
4.0
.030±.002
0.76±0.05
Dia. Typ.
(2)
(1)
.790±.010
20.0±0.25
Model HM28 Series
OUTLINE DIMENSIONS (Inch/mm)
Figure 5
Figure 6
.98
25.0
.87
22.0
1.18
30.0
.75
19.0
1.26
32.0
(3)
(2)
(2)
.510±0.10
13.0±0.25
1.38
35.0
.030±.002
0.76±0.05
Dia. Typ.
(1)
.197
5.0
(3)
.390±.010
10.0±0.25
(2)
(2)
.197
5.0
.510±.010
13.0±0.25
(1)
.030±.002
0.76±0.06
Dia. Typ.
.390±.010
10.0±0.25
Figure 7
.142
36.0
1.06
27.0
1.65
42.0
(3)
(2)
(2)
.415
10.5
.830±.010
21.0±0.25
.197
5.0
Reinforcing Pin
(Optional)
6-71
(1)
.030±.002
0.76±0.05
Dia. Typ.
6
.590±.010
15.0±0.25
Model HM28 Series
SPECIFICATIONS
Part
Number
HM28-20001
HM28-20002
HM28-20003
HM28-20004
HM28-20005
HM28-24006
HM28-24007
HM28-24008
HM28-24009
HM28-24010
HM28-24011
HM28-24012
HM28-24013
HM28-24014
HM28-24015
HM28-24016
HM28-24017
HM28-32018
HM28-32019
HM28-32020
HM28-32021
HM28-32022
HM28-32023
HM28-32024
HM28-25025
Current
Rating
Amps AC
0.50
0.60
0.70
0.90
1.0
0.50
0.60
0.70
0.90
1.0
0.50
0.60
0.70
0.90
1.0
1.50
2.0
0.50
0.60
0.70
0.90
1.0
1.50
2.0
0.50
Inductance
@ 1.0 kHz
mH Min.
9
4.5
2.5
1.1
0.45
9
4.5
2.5
1.1
0.45
36
24
9.2
7.8
5.2
3.6
3.2
36
24
9.2
7.8
5.2
3.6
3.2
120
6-72
DC
Resistance
Ω Max.
1.40
0.75
0.40
0.25
0.13
1.40
0.75
0.40
0.25
0.13
2.70
1.60
0.75
0.50
0.34
0.25
0.20
2.70
1.60
0.75
0.50
0.34
0.25
0.20
2.60
Figure
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3
3
3
5
5
5
5
5
5
5
4
Weight
oz./gram
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.53/15
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
0.90/25
1.4/40
Model HM28 Series
SPECIFICATIONS
Part
Number
HM28-25026
HM28-25027
HM28-25028
HM28-25029
HM28-25030
HM28-25031
HM28-25032
HM28-25033
HM28-35034
HM28-35035
HM28-35036
HM28-35037
HM28-35038
HM28-35039
HM28-35040
HM28-35041
HM28-35042
HM28-42051
HM28-42052
HM28-42053
HM28-42054
HM28-42055
HM28-42056
HM28-42057
HM28-42058
Current
Rating
Amps AC
0.60
0.70
0.90
1.0
1.50
2.0
2.50
3.0
0.50
0.60
0.70
0.90
1.0
1.50
2.0
2.50
3.0
1.50
1.80
2.0
2.50
2.70
3.0
3.50
4.0
Inductance
@ 1.0 kHz
mH Min.
92
66
36
25
15.5
10
8
5
120
92
66
36
25
15.5
10
8
5
33
22
18
12
10
8.1
6
4.7
DC
Resistance
Ω Max.
2.0
1.50
0.80
0.60
0.32
0.25
0.19
0.10
2.60
2.0
1.50
0.80
0.60
0.32
0.25
0.19
0.10
0.50
0.40
0.30
0.20
0.15
0.12
0.10
0.08
Figure
4
4
4
4
4
4
4
4
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
Weight
oz./gram
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
1.4/40
2.7/76
2.7/76
2.7/76
2.7/76
2.7/76
2.7/76
2.7/76
2.7/76
6
6-73
Model HM28 Series
PERFORMANCE
Impedance vs. Frequency
012, 014, 016
001, 003, 005
300
100
100
01
4
10
6
01
3
1
00
5
1
30
01
00
3
3
10
00
1
30
2
300
INPENDANCE (K Ω)
1000
INPENDANCE (K Ω)
1000
0.3
0.3
0.1
0.01 0.03
0.1 0.3
1
3
10
FREQUENCY (MHz)
30
0.1
0.01 0.03
100
300
300
100
100
1
30
100
30
10
3
1
0.3
0.3
0.1
0.01 0.03
100
04 04 04
9 6 3
03
9
02
3
2
02
6
INPENDANCE (K Ω)
1000
INPENDANCE (K Ω)
1000
10
30
043, 046, 049
026, 029, 032
30
0.1 0.3
1
3
10
FREQUENCY (MHz)
0.1 0.3
1
3
10
FREQUENCY (MHz)
30
100
0.1
0.01 0.03
6-74
0.1 0.3
1
3
10
FREQUENCY (MHz)
Model HM28 Series