MODEL HM12 SERIES
Output Toroidal Inductors
with Mounting Base
FEATURES
• High performance powdered iron cores for excellent energy storage characteristics
• Cost effective design
• Custom designs available
APPLICATIONS
• Switching power supply
• Motor control circuit
• Differential EMI filter
• Output ripple current filter
ELECTRICAL / ENVIRONMENTAL
Insulation Resistance, Minimum
Operating Temperature Range
Insulation System
SCHEMATIC (FIGURE 1 & 2)
100 Megohms
-25°C to +105°C
Class B, 130°C
6
(1)
(2)
(3) Orientation Pin
Specifications subject to change without notice.
6-51
Model HM12 Series
SPECIFICATIONS (FIGURE 1)
Mechanical Outline
Dimensions: Inch/mm
A
1.20
––––
30.5
1.20
––––
30.5
1.67
––––
42.5
1.20
––––
30.5
1.45
––––
36.8
2.30
––––
58.4
B
0.62
––––
15.8
0.62
––––
15.8
0.93
––––
23.6
0.62
––––
15.8
0.83
––––
21.1
1.12
––––
28.5
C
0.4
––––
10.16
0.4
––––
10.16
0.7
––––
17.78
0.4
––––
10.16
0.6
––––
15.24
0.9
––––
22.86
D
0.8
––––
20.32
0.8
––––
20.32
1.2
––––
30.48
0.96
––––
24.38
0.9
––––
22.86
1.5
––––
38.1
E
0.75
––––
19.05
1.2
––––
30.48
1.58
––––
40.13
0.95
––––
24.13
1.35
––––
34.30
1.85
––––
47.0
Part
Number
HM12-01001
HM12-01002
HM12-01003
HM12-02501
HM12-02502
HM12-02503
Inductance Current
DC
Resistance ET
op
Typical
I
DC
µH
Amps Max.
Ω
Max. V-µSec
92
700
1,700
77
320
960
1
1
1
2.5
2.5
2.5
0.35
0.89
1.45
0.11
0.29
0.63
77
400
730
90
350
870
Energy
Storage
µJ Min.
46
350
850
240
1,000
3,000
Wire
Gauge
AWG (mm)
(1)
26
–––––
(0.40)
26
–––––
(0.40)
27
–––––
(0.36)
24
–––––
(0.51)
23
–––––
(0.57)
23
–––––
(0.57)
SPECIFICATIONS (FIGURE 2)
Mechanical Outline
Dimensions: Inch/mm
A
1.45
––––
36.8
1.60
––––
40.6
1.20
––––
30.5
1.60
––––
40.6
1.95
––––
49.5
2.30
––––
58.4
1.44
––––
36.8
2.30
––––
58.4
1.20
––––
30.5
1.44
––––
36.6
1.60
––––
40.6
1.95
––––
49.5
2.30
––––
58.4
1.95
––––
49.5
2.30
––––
58.4
1.60
––––
40.6
B
0.90
––––
22.9
0.83
––––
21.1
0.62
––––
15.8
0.83
––––
21.1
0.93
––––
23.5
1.11
––––
28.2
0.83
––––
21.1
1.12
––––
28.5
0.62
––––
15.8
0.83
––––
21.1
0.83
––––
21.1
0.96
––––
24.4
1.11
––––
28.2
0.93
––––
23.5
1.11
––––
28.2
1.11
––––
28.2
C
0.60
––––
15.24
0.60
––––
15.24
0.40
––––
10.16
0.60
––––
15.24
0.70
––––
17.78
0.90
––––
22.85
0.60
––––
15.24
0.9
––––
22.86
0.40
––––
10.16
0.60
––––
15.24
0.60
––––
15.24
0.70
––––
17.78
0.90
––––
22.85
0.70
––––
17.78
0.90
––––
22.95
0.60
––––
15.24
D
0.90
––––
22.86
0.90
––––
22.86
0.80
––––
20.32
0.90
––––
22.86
1.20
––––
30.48
1.50
––––
38.10
0.90
––––
22.86
1.5
––––
38.1
0.80
––––
20.34
0.90
––––
22.86
0.90
––––
22.86
1.20
––––
30.48
1.50
––––
38.10
1.20
––––
30.48
1.50
––––
38.10
0.90
––––
22.86
E
1.40
––––
38.7
1.72
––––
43.7
1.20
––––
30.5
1.56
––––
39.6
2.00
––––
50.80
2.30
––––
58.4
1.44
––––
36.6
1.90
––––
48.3
1.20
––––
30.5
1.44
––––
36.6
1.72
––––
43.7
2.00
––––
50.8
2.30
––––
58.4
2.00
––––
50.8
2.30
––––
58.4
1.72
––––
43.7
Part
Number
HM12-03501
HM12-03502
HM12-06001
HM12-06002
HM12-06003
HM12-06004
HM12-07001
HM12-07501
HM12-10001
HM12-10002
HM12-10003
HM12-10004
HM12-10005
HM12-15001
HM12-15002
HM12-16001
Inductance Current
DC
Resistance ET
op
Typical
I
DC
µH
Amps Max.
Ω
Max. V-µSec
275
475
35
100
180
330
50
178
15
25
45
75
150
35
65
20
4
4
6
6
6
6
7
7.5
10
10
10
10
10
15
15
16
0.200
0.130
0.025
0.048
0.068
0.095
0.032
0.075
0.009
0.012
0.018
0.025
0.032
0.009
0.012
0.0065
500
600
200
400
620
840
230
500
135
170
280
430
570
290
390
190
Energy
Storage
µJ Min.
2,200
2,138
630
1,800
3,240
5,940
1,225
5,000
750
1,250
2,250
3,750
7,500
3,935
7,310
2,560
Wire
Gauge
AWG (mm)
(1)
19
–––––
(0.91)
18
–––––
(1.02)
18
–––––
(1.02)
18
–––––
(1.02)
18
–––––
(1.02)
18
–––––
(1.02)
18
–––––
(1.02)
18
–––––
(1.02)
15
–––––
(1.45)
15
–––––
(1.45)
15
–––––
(1.45)
15
–––––
(1.45)
15
–––––
(1.45)
12
–––––
(2.05)
12
–––––
(2.05)
12
–––––
(2.05)
6
Note: (1) Nominal bare wire diameter.
6-53
Model HM12 Series
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