DC Energy Storage Inductors
IRON POWDER MATERIAL
(Hydrogen Reduced)
L
(2)
typ.
(µH)
56.3
33.3
17.9
76.0
45.2
25.9
231.9
139.2
81.1
47.1
36.1
671.9
405.1
241.9
141.5
107.5
715.7
443.6
272.5
210.7
156.8
529.2
316.9
252.3
195.1
145.2
876.1
670.8
530.0
405.8
312.5
696.3
545.5
425.4
331.2
258.4
758.9
581.0
466.6
352.8
275.3
IDC
(3)
20%
Amps
1.15
1.49
2.04
1.11
1.44
1.90
1.21
1.56
2.05
2.68
3.07
1.28
1.64
2.13
2.78
3.19
1.47
1.87
2.39
2.71
3.14
1.82
2.35
2.63
2.99
3.47
2.60
2.97
3.34
3.82
4.35
2.50
2.82
3.19
3.62
4.10
2.77
3.17
3.54
4.07
4.60
IDC
(4)
50%
Amps
2.73
3.55
4.85
2.64
3.43
4.53
2.88
3.72
4.87
6.39
7.30
3.04
3.91
5.06
6.62
7.59
3.50
4.45
5.68
6.46
7.49
4.33
5.59
6.27
7.13
8.27
6.19
7.07
7.96
9.09
10.36
5.95
6.72
7.61
8.62
9.76
6.60
7.54
8.42
9.68
10.96
Well Suited for Switch Mode Power
Supplies and Regulator Applications.
I
(5)
max.
Amps
1.38
1.97
2.81
1.38
1.97
2.81
1.97
2.81
4.00
5.70
6.81
1.97
2.81
4.00
5.70
6.81
2.81
4.00
5.70
6.81
8.11
4.00
5.70
6.81
8.11
9.70
5.70
6.81
8.11
9.70
11.60
6.81
8.11
9.70
11.60
13.80
8.11
9.70
11.60
13.80
16.60
Energy
min.
(6)
(µJ)
30
30
30
38
38
38
136
136
136
136
136
438
438
438
438
438
620
620
620
620
620
700
700
700
700
700
2368
2368
2368
2368
2368
1737
1737
1737
1737
1737
2334
2334
2334
2334
2334
DCR
nom.
(mΩ)
183
89
41
255
124
59
351
170
82
39
27
598
290
142
68
47
469
232
114
80
55
277
134
95
66
45
207
144
102
70
49
196
137
96
67
47
172
119
85
58
41
Size
Code
1
1
1
2
2
2
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8
9
9
9
9
9
Lead
Size
AWG
28
26
24
28
26
24
26
24
22
20
19
26
24
22
20
19
24
22
20
19
18
22
20
19
18
17
20
19
18
17
16
19
18
17
16
15
18
17
16
15
14
Part
Number
L-14400
L-14401
L-14402
L-14403
L-14404
L-14405
L-14406
L-14407
L-14408
L-14409
L-14410
L-14411
L-14412
L-14413
L-14414
L-14415
L-14416
L-14417
L-14418
L-14419
L-14420
L-14421
L-14422
L-14423
L-14424
L-14425
L-14426
L-14427
L-14428
L-14429
L-14430
L-14431
L-14432
L-14433
L-14434
L-14435
L-14436
L-14437
L-14438
L-14439
L-14440
(1)
Single Layer Wound
Leads are Pre-Tinned
Custom Versions Available
Vertical Base Mounting Available
Shrink Tubing Optional
Varnish Finish Optional
Semi-Encapsulated Versions
or Clip Mount Package Style
Available for some models
Where Imax is greater than
IDC @ 50%, Inductors can be used
for Swing requirements producing
a minimum Swing of 2:1
Y
(K)
(K)
(K)
(K)
(K)
(K)
(K)
(K)
X
Bare Coil Size Chart
Size
Code
1
2
3
4
5
6
7
8
9
Dim. in inches
X
Y
0.515
0.575
0.890
1.150
1.400
1.520
1.950
2.150
2.400
0.235
0.265
0.340
0.530
0.535
0.510
0.820
0.660
0.670
1) Selected Parts available in Clip Mount Style. Example: L-14402K
2) Typical Inductance with no DC. Tolerance of +10%.
See Specific data sheets for test conditions.
3) Current which will produce a 20% reduction in L
4) Current which will produce a 50% reduction in L
5) Maximum DC current. This value is for a 40
O
C temperature rise
due to copper loss, with AC flux density kept to 10 Gauss or less.
(This typically represents a current ripple of less than 1%)
6) Energy storage capability of component in micro Joules.
Value is for 20% reduction in permeability.
Specifications are subject to change without notice
Dimensions are nominal, based upon largest
wire size used with each toroid size. Smaller
wire will result in slightly lower dimensions.
Clip Mount
(1)
Dimensions
Refer to Drawing and
Dimensions from Page 7.
SML-PI2 - 04/97
Rhombus
Industries Inc.
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6
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l
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