RL-1386
SWINGDUCTOR™
SELF LEADED
Swinging choke requirements can now be
satisfied with the RL-1386 Series of
SWINGDUCTORS™ that were primarily
designed for use in applications that require a
known inductance change with changing current
loads as in power supplies.
Although similar in appearance to conventional
toroids, the special core material allows a
"controlled saturation" so that a specific
inductance value is repeatable at a specific
current. The core material is effective up to 1
MHz. As a result of the toroidal design the
SWINGDUCTORS™ produce a closed magnetic
field resulting in low EMI. All chokes are supplied
with pretinned leads for easy PC board
installation.
Selecting the correct SWINGDUCTOR™ is
simplified since a wide choice of standard devices
covering an extensive range of inductance values
and current ratings are available.
Typical Applications:
• Switching Power Supplies
• Hash Filters
• RF Filters
• Output Chokes
• EMI/RFI Filtering
PART
NUMBER
RL-1386-1
RL-1386-2
RL-1386-3
RL-1386-4
RL-1386-5
A
MAX DIA.
1.1
1.45
1.8
2.0
2.6
B
MAX. WIDTH
0.500
0.875
0.900
1.1
1.5
A
A
ALL DIMENSIONS IN INCHES
3/8" MIN.
B
RENCO ELECTRONICS, INC.
595 International Place, Rockledge, FL 32955-4200 USA
(321) 637-1000 • Toll Free Engineering Hot line 800-645-5828
SINCE 1955
Fax: (321) 637-1600
Web Site:www.rencousa.com
E-mail:sales@rencousa.com
RL-1386-1
Renco Part No.
RL-1386-1-1.1
RL-1386-1-1.8
RL-1386-1-2.3
RL-1386-1-3.3
RL-1386-1-4.7
RL-1386-1-5.6
RL-1386-1-6.8
RL-1386-1-8.2
RL-1386-1-10
RL-1386-1-12
RL-1386-1-15
RL-1386-1-18
RL-1386-1-22
RL-1386-1-27
RL-1386-1-33
RL-1386-1-39
RL-1386-1-47
RL-1386-1-56
RL-1386-1-68
RL-1386-1-82
RL-1386-1-100
RL-1386-1-120
RL-1386-1-150
RL-1386-1-180
RL-1386-1-220
RL-1386-1-270
RL-1386-1-330
RL-1386-1-390
RL-1386-1-470
RL-1386-1-560
RL-1386-1-680
RL-1386-1-820
RL-1386-1-1000
RL-1386-1-1200
RL-1386-1-1500
L@0
Max
Suggested
0% L
10% L
20% L
Amps D.C. RDC. Rated Current
Drop
Drop
Drop
(µH)
(ohms)
(Amps)
(DC Amps) (DC Amps) (DC Amps)
1.1
1.8
2.3
3.3
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
.003
.004
.004
.005
.006
.006
.007
.008
.009
.010
.011
.012
.013
.014
.016
.018
.019
.022
.023
.025
.029
.032
.036
.044
.054
.061
.088
.096
.110
.172
.198
.250
.286
.407
.469
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4.5
4.5
3.5
3.5
3.5
2.0
2.0
1.5
1.5
1.2
1.2
4.7
3.7
3.1
2.6
2.3
2.1
1.9
1.7
1.5
1.3
1.2
.96
.92
.84
.74
.68
.61
.58
.52
.47
.43
.40
.36
.30
.30
.27
.23
.21
.20
.18
.16
.15
.14
.12
.11
13.0
10.3
8.6
7.4
6.5
5.7
5.2
4.7
4.3
3.7
3.2
2.7
2.6
2.4
2.1
1.9
1.7
1.6
1.5
1.3
1.2
1.1
1.0
.92
.83
.79
.64
.60
.57
.50
.46
.42
.38
.33
.30
19.4
15.5
12.9
11.7
9.7
8.6
7.5
7.1
6.5
5.6
4.8
4.1
3.9
3.5
3.1
2.9
2.6
2.4
2.2
2.0
1.9
1.7
1.5
1.4
1.2
1.4
1.6
.90
.85
.74
.68
.64
.57
.50
.44
30% L
40% L
Drop
Drop
(DC Amps) (DC Amps)
26.8
21.4
17.9
15.3
13.4
11.9
10.7
9.7
8.9
7.7
6.7
5.6
5.4
4.9
4.3
4.0
3.6
3.4
3.1
2.8
2.6
2.3
2.1
1.9
1.7
1.6
1.3
1.3
1.2
1.0
.95
.89
.79
.68
.61
35.1
28.1
23.4
20.1
17.6
15.6
14.1
12.8
11.7
10.1
8.8
7.4
7.1
6.4
5.6
5.2
4.7
4.4
4.0
3.6
3.5
3.1
2.8
2.5
2.3
2.1
1.8
1.6
1.6
1.4
1.3
1.2
1.1
.90
.81
50% L
Drop
(DC Amps)
46.1
36.9
30.7
26.4
23.1
20.5
18.5
16.8
15.4
13.2
11.5
9.7
9.3
8.4
7.4
6.8
6.2
5.8
5.3
4.7
4.4
4.0
3.6
3.3
3.0
2.7
2.3
2.2
2.1
1.8
1.7
1.5
1.4
1.2
1.1
NOTES:
1. Inductance
±25%,
measured at 1 KHz on ESI Model #252.
2. Drive level at which you test is important.
3. Leads for PC mounting tinnned to within 1/16" of body.
4. Nonstandard values available on request.
5. Encapsulation available.
6. RDC measured @20°C.
7. On larger units and units wound with finer wire additional
mechanical mounting is recommended.
8. Horizontal mounted units also available.
9. Saturation currents shown are for MAXIMUM drop of L indicated,
i.e., if 20% drop for a 100µH choke is at 2 Amps, at 2 Amps the
L will be
≥
80µH.
RENCO ELECTRONICS, INC.
595 International Place, Rockledge, FL 32955-4200 USA
(321) 637-1000 • Toll Free Engineering Hot line 800-645-5828
SINCE 1955
Fax: (321) 637-1600
Web Site:www.rencousa.com
E-mail:sales@rencousa.com
RL-1386-2
Renco Part No.
RL-1386-2-1.2
RL-1386-2-2.0
RL-1386-2-3.3
RL-1386-2-4.7
RL-1386-2-6.8
RL-1386-2-8.2
RL-1386-2-10
RL-1386-2-12
RL-1386-2-15
RL-1386-2-18
RL-1386-2-22
RL-1386-2-27
RL-1386-2-33
RL-1386-2-39
RL-1386-2-47
RL-1386-2-56
RL-1386-2-68
RL-1386-2-82
RL-1386-2-100
RL-1386-2-120
RL-1386-2-150
RL-1386-2-180
RL-1386-2-220
RL-1386-2-270
RL-1386-2-330
RL-1386-2-390
RL-1386-2-470
RL-1386-2-560
RL-1386-2-680
RL-1386-2-820
RL-1386-2-1000
RL-1386-2-1200
RL-1386-2-1500
RL-1386-2-1800
RL-1386-2-2200
RL-1386-2-2700
L@0
Max
Suggested
0% L
10% L
20% L
Amps D.C. RDC. Rated Current
Drop
Drop
Drop
(µH)
(ohms)
(Amps)
(DC Amps) (DC Amps) (DC Amps)
1.2
2.0
3.3
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
.003
.004
.005
.006
.007
.008
.010
.011
.011
.012
.013
.013
.018
.019
.022
.024
.028
.030
.032
.036
.042
.046
.053
.059
.064
.068
.076
.086
.131
.143
.161
.180
.340
.371
.432
.520
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4.5
4.5
4.5
3.5
2.0
2.0
2.0
2.0
7.7
8.8
4.7
3.9
3.3
2.9
2.6
2.3
2.1
1.9
1.8
1.6
1.4
1.2
1.2
1.0
.93
.83
.75
.70
.64
.57
.51
.48
.43
.39
.36
.32
.29
.26
.24
.21
.19
.17
.15
.12
21.7
15.4
13.1
10.9
9.3
8.1
7.3
6.6
5.9
5.5
5.0
4.4
3.8
3.4
3.3
2.8
2.6
2.3
2.1
1.9
1.8
1.5
1.5
1.3
1.2
1.1
1.0
.90
.81
.74
.67
.59
.52
.48
.43
.38
32.7
24.5
19.6
16.4
14.0
12.3
10.9
9.8
8.9
8.2
7.5
6.5
5.8
5.2
4.9
4.3
3.9
3.5
3.2
3.0
2.7
2.4
2.2
2.0
1.8
1.7
1.5
1.4
1.2
1.1
1.0
.89
.78
.72
.65
.58
30% L
40% L
Drop
Drop
(DC Amps) (DC Amps)
45.0
33.8
27.0
22.5
19.3
16.9
15.0
13.5
12.3
11.3
10.4
9.0
7.9
7.1
6.8
5.9
5.1
4.8
4.4
4.1
3.7
3.3
3.0
2.8
2.5
2.3
2.1
1.9
1.7
1.5
1.4
1.2
1.1
.99
.90
.78
59.1
44.3
35.5
29.5
25.3
22.1
20.0
17.7
16.1
14.8
13.6
11.8
10.4
9.3
8.8
7.7
7.0
6.3
5.7
5.3
4.9
4.3
3.9
3.6
3.3
3.0
2.7
2.5
2.2
2.0
1.8
1.6
1.4
1.3
1.2
1.1
50% L
Drop
(DC Amps)
77.7
58.2
46.6
38.8
33.3
29.1
25.8
23.3
21.2
18.9
17.4
15.5
13.7
12.2
11.6
10.1
9.3
8.3
7.5
7.0
6.4
5.7
5.1
4.8
4.3
3.9
3.6
3.2
2.9
2.6
2.4
2.1
1.9
1.7
1.6
1.4
RENCO ELECTRONICS, INC.
595 International Place, Rockledge, FL 32955-4200 USA
(321) 637-1000 • Toll Free Engineering Hot line 800-645-5828
SINCE 1955
Fax: (321) 637-1600
Web Site:www.rencousa.com
E-mail:sales@rencousa.com
RL-1386-3
Renco Part No.
RL-1386-3-1.5
RL-1386-3-2.2
RL-1386-3-3.3
RL-1386-3-5.6
RL-1386-3-6.8
RL-1386-3-10
RL-1386-3-12
RL-1386-3-15
RL-1386-3-18
RL-1386-3-22
RL-1386-3-27
RL-1386-3-33
RL-1386-3-39
RL-1386-3-47
RL-1386-3-56
RL-1386-3-68
RL-1386-3-82
RL-1386-3-100
RL-1386-3-120
RL-1386-3-150
RL-1386-3-180
RL-1386-3-220
RL-1386-3-270
RL-1386-3-330
RL-1386-3-390
RL-1386-3-470
RL-1386-3-560
RL-1386-3-680
RL-1386-3-820
RL-1386-3-1000
RL-1386-3-1200
RL-1386-3-1500
RL-1386-3-1800
RL-1386-3-2200
RL-1386-3-2700
RL-1386-3-3300
RL-1386-3-3900
L@0
Max
Suggested
0% L
10% L
20% L
Amps D.C. RDC. Rated Current
Drop
Drop
Drop
(µH)
(ohms)
(Amps)
(DC Amps) (DC Amps) (DC Amps)
1.5
2.2
3.3
5.6
6.8
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
.003
.003
.004
.004
.005
.006
.007
.007
.008
.010
.011
.012
.013
.014
.016
.017
.019
.022
.024
.026
.029
.032
.035
.040
.054
.061
.068
.090
.148
.172
.190
.210
.232
.412
.450
.500
.541
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
5
3.5
3.5
3.5
3.5
3.5
2.0
2.0
2.0
2.0
8.6
6.4
5.1
4.2
3.6
2.8
2.6
2.3
2.1
1.9
1.7
1.5
1.4
1.3
1.1
.99
.90
.88
.80
.73
.68
.58
.55
.50
.47
.43
.38
.34
.31
.27
.25
.22
.21
.18
.16
.15
.14
23.7
17.7
14.1
11.8
10.1
7.8
7.1
6.5
5.9
5.5
4.7
4.4
3.9
3.6
3.2
3.0
2.7
2.4
2.2
2.0
1.9
1.6
1.5
1.4
1.3
1.2
1.0
.93
.86
.75
.68
.61
.57
.49
.45
.41
.38
39.2
29.4
23.6
19.6
16.8
13.1
11.8
9.9
9.8
9.0
7.8
7.3
6.5
5.9
5.3
4.9
4.5
4.1
3.6
3.3
3.1
2.6
2.5
2.3
2.1
2.0
1.7
1.6
1.4
1.2
1.1
1.0
.94
.81
.76
.69
.63
30% L
40% L
Drop
Drop
(DC Amps) (DC Amps)
54.9
41.1
32.9
27.5
23.5
18.3
16.5
14.9
13.7
12.6
11.0
10.3
9.1
8.2
7.5
6.8
6.3
5.7
5.1
4.7
4.3
3.7
3.5
3.2
3.0
2.8
2.4
2.2
2.0
1.7
1.6
1.4
1.3
1.1
1.1
.96
.87
73.2
54.9
43.9
36.6
31.4
24.4
22.0
19.9
18.3
16.8
14.6
13.7
12.2
11.0
9.9
9.1
8.4
7.6
6.8
6.2
5.8
5.0
4.8
4.3
4.0
3.7
3.2
2.9
2.7
2.3
2.1
1.9
1.8
1.5
1.4
1.3
1.2
50% L
Drop
(DC Amps)
96.3
72.2
57.8
48.2
41.2
32.1
28.9
26.1
24.0
22.1
19.3
18.0
16.0
14.4
13.1
12.0
11.1
9.9
9.3
8.2
7.6
6.5
6.2
5.7
5.3
4.8
4.3
3.8
3.5
3.0
2.8
2.5
2.3
2.0
1.9
1.7
1.5
RENCO ELECTRONICS, INC.
595 International Place, Rockledge, FL 32955-4200 USA
(321) 637-1000 • Toll Free Engineering Hot line 800-645-5828
SINCE 1955
Fax: (321) 637-1600
Web Site:www.rencousa.com
E-mail:sales@rencousa.com
RL-1386-4
Renco Part No.
RL-1386-4-1.2
RL-1386-4-2.2
RL-1386-4-3.3
RL-1386-4-4.7
RL-1386-4-6.8
RL-1386-4-8.2
RL-1386-4-10
RL-1386-4-12
RL-1386-4-15
RL-1386-4-18
RL-1386-4-22
RL-1386-4-27
RL-1386-4-33
RL-1386-4-39
RL-1386-4-47
RL-1386-4-56
RL-1386-4-68
RL-1386-4-82
RL-1386-4-100
RL-1386-4-120
RL-1386-4-150
RL-1386-4-180
RL-1386-4-220
RL-1386-4-270
RL-1386-4-330
RL-1386-4-390
RL-1386-4-470
RL-1386-4-560
RL-1386-4-680
RL-1386-4-820
RL-1386-4-1000
RL-1386-4-1200
RL-1386-4-1500
RL-1386-4-1800
RL-1386-4-2200
RL-1386-4-2700
RL-1386-4-3300
RL-1386-4-3900
RL-1386-4-4700
RL-1386-4-5600
L@0
Max
Suggested
0% L
10% L
20% L
Amps D.C. RDC. Rated Current
Drop
Drop
Drop
(µH)
(ohms)
(Amps)
(DC Amps) (DC Amps) (DC Amps)
1.2
2.2
3.3
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
.002
.002
.003
.003
.004
.004
.005
.005
.005
.006
.006
.007
.008
.010
.011
.012
.013
.014
.014
.017
.018
.022
.024
.026
.029
.034
.036
.042
.056
.064
.090
.115
.123
.149
.164
.229
.252
.318
.336
.348
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
9
9
9
7
7
7
7
5
5
4.5
4.5
4.5
11.7
9.0
7.2
5.9
5.1
4.5
3.0
3.6
3.2
3.0
2.8
2.3
2.1
1.9
1.7
1.5
1.4
1.3
1.2
1.1
.90
.86
.78
.71
.63
.58
.54
.49
.44
.40
.36
.33
.29
.26
.24
.22
.20
.18
.16
.15
33.3
25.2
19.8
16.2
14.4
12.6
10.8
9.9
9.0
8.4
7.7
6.8
5.9
5.2
4.8
4.3
4.1
3.6
3.2
2.9
2.6
2.3
2.2
1.9
1.7
1.6
1.4
1.4
1.2
1.1
1.0
.90
.81
.75
.68
.61
.56
.51
.46
.42
50.4
37.8
29.7
25.2
21.6
18.9
16.2
14.4
13.5
12.6
11.7
9.9
8.8
7.9
7.2
6.6
6.0
5.4
4.9
4.4
4.0
3.6
3.2
2.9
2.6
2.4
2.3
2.1
1.8
1.6
1.5
1.4
1.2
1.1
.99
.90
.84
.76
.68
.63
30% L
40% L
Drop
Drop
(DC Amps) (DC Amps)
69.3
52.2
41.4
34.2
29.7
26.1
22.5
20.7
18.9
17.2
15.3
13.5
11.7
10.8
9.9
9.0
8.3
7.4
6.7
6.1
5.5
5.0
4.5
4.1
3.6
3.3
3.1
2.8
2.5
2.3
2.1
1.9
1.6
1.5
1.4
1.3
1.1
.99
.90
.87
90.9
68.4
54.0
45.0
38.7
34.2
29.7
27.0
24.3
22.5
20.7
18.0
15.3
14.4
12.6
11.7
10.8
9.0
8.8
8.0
7.2
6.5
5.9
5.3
4.8
4.4
4.1
3.7
3.3
3.0
2.7
2.5
2.2
2.0
1.8
1.6
1.4
1.4
1.2
1.1
50% L
Drop
(DC Amps)
119.7
90.0
72.0
59.4
51.3
45.0
39.6
36.0
32.4
29.7
27.0
23.4
20.7
18.9
17.1
15.3
14.4
12.6
10.8
9.9
9.0
8.6
7.7
7.0
6.3
5.8
5.3
4.9
4.3
4.0
3.6
3.3
2.7
2.6
2.3
2.2
2.0
1.8
1.6
1.4
RENCO ELECTRONICS, INC.
595 International Place, Rockledge, FL 32955-4200 USA
(321) 637-1000 • Toll Free Engineering Hot line 800-645-5828
SINCE 1955
Fax: (321) 637-1600
Web Site:www.rencousa.com
E-mail:sales@rencousa.com
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