BH Electronics
INDUCTORS
Toroid Inductors for Switching Power Supplies
• Current Range, 1 Amp to
50 Amps
• Cost Effective Design
• Wide Range of Inductance
• Maximum Temperature Rise,
40°C Above Ambient
• PC Mount
TYPICAL INDUCTANCE
CHARACTERISTICS
% INITIAL INDUCTANCE
INDUCTANCE VS. FREQUENCY
100
75
50
ELECTRICAL CHARACTERISTICS AT 25° C
BH PART
NUMBER
501-1001
501-1002
501-1003
501-1004
501-1005
501-1006
501-1007
501-1008
501-1009
501-1010
501-1011
501-1012
501-1013
501-1014
501-1015
501-1016
501-1017
501-1018
501-1019
501-1020
RATED DC
CURRENT
(AMPS)
1.0
2.5
2.5
4.1
4.1
4.1
6.5
6.5
6.5
6.5
10.0
10.0
10.0
10.0
20.0
20.0
20.0
40.0
40.0
50.0
MINIMUM
INDUCTANCE
AT RATED DC (µH)
725
115
370
40
140
360
15
50
140
290
7
20
60
120
6
15
30
3.5
7
4.5
MINIMUM
INDUCTANCE
AT ZERO DC (µH)
1400
230
740
80
280
720
30
100
280
580
14
40
120
240
12
30
60
7.0
14
9
DC
RESISTANCE
MAXIMUM (½)
.75
.12
.23
.045
.086
.177
.018
.035
.070
.098
.0075
.014
.028
.040
.004
.0072
.010
.0017
.0024
.0016
MIN. ENERGY
STORAGE
1/2 LI
2
366
366
1166
361
1185
3034
359
1162
3000
6190
350
1150
3000
6200
1200
3200
6400
2800
5920
5875
PACKAGE
STYLE
1
1
2
1
2
3
1
2
3
4
1
2
3
4
5
6
7
6
7
7
LEAD DIA.
INCHES
.025
.025
.025
.032
.032
.032
.040
.040
.040
.040
.051
.051
.051
.051
N/A
N/A
N/A
N/A
N/A
N/A
.01
.1
1.0
FREQUENCY (MHz)
10
PACKAGE STYLES
STYLE
1
2
3
4
5
6
7
A
1.05 in
26,67mm
1.45
36,83
2.00
50,80
2.16
54,86
1.45
36,83
2.00
50,80
2.16
54,86
B
.55
13,97
.80
20,32
.95
24,13
1.12
28,45
.80
20,32
.95
24,13
1.12
28,45
C
.400
10,16
.600
15,24
.700
17,78
.900
22,86
N/A
N/A
N/A
D
.800
20,32
.900
22,86
1.20
30,48
1.50
38,10
.900
22,86
1.20
30,48
1.50
38,10
E
.55
13,97
.58
14,73
.75
19,05
1.05
26,67
.58
14,73
.75
19,05
1.05
26,67
F
.20
5,08
.20
5,08
.20
5,08
.20
5,08
.25
6,35
.25
6,35
.25
6,35
G
1.10
27,94
1.40
35,56
1.90
48,26
2.20
55,88
1.40
15,56
1.90
48,26
2.20
55,88
H
N/A
1
3 OPEN
1
2
STYLE 1-4
SCHEMATIC
STYLE 5-7
SCHEMATIC
N/A
N/A
N/A
6/32
8/32
F
MIN.
BH
501-XXXX
DATE CODE
G
MAX.
E
MAX.
SEE
NOTE
BELOW
CHART
H
THREAD
SIZE
3
B MAX.
A MAX.
A MAX.
BH
501-XXXX
DATE CODE
G
MAX.
E
MAX.
F MIN.
D±.015
B MAX.
2
.187 MIN.
1,2,3,4
5,6,7
10/32
1
C
±.010
2
D±.010
Note: Style 5,6, 7 leads cut to 6" length - custom lengths available upon request
TWENTY SIX / BH ELECTRONICS
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