POWER INDUCTORS
SENDUST MATERIAL ( Al & Si & Fe )
Core
Loss
@50kHz
5657
Core
Loss
@100kHz
16000
Core
Loss
@300kHz
83138
Although higher in core loss than MPP material, Sendust has approxi-
mately 50% more energy storage capacity. Sendust has approximately 2/3
the flux density of High Flux material, but has a much lower core loss.
Sendust is an ideal tradeoff between storage capacity, core loss and cost.
Core Loss in mW/cm
3
@4000 Gauss
L
(2)
typ.
(µH)
39.5
23.4
12.6
68.0
40.4
23.1
199.1
119.5
69.7
40.4
31.0
585.2
352.8
210.7
123.2
93.6
609.7
377.8
232.1
179.5
133.6
395.1
236.6
188.4
145.7
108.4
741.3
567.6
448.4
343.3
264.4
598.0
468.4
365.3
284.4
221.9
604.0
462.5
371.4
280.8
219.1
IDC
(3)
20%
Amps
2.20
2.85
3.89
2.07
2.68
3.55
2.28
2.95
3.86
5.06
5.79
2.38
3.06
3.96
5.18
5.94
2.76
3.51
4.47
5.09
5.90
3.40
4.40
4.93
5.60
6.50
4.75
5.43
6.10
6.98
7.95
4.66
5.26
5.96
6.75
7.65
5.17
5.91
6.60
7.59
8.59
IDC
(4)
50%
Amps
4.94
6.42
8.76
4.66
6.04
7.98
5.13
6.63
8.68
11.39
13.02
5.35
6.89
8.92
11.66
13.38
6.21
7.89
10.06
11.45
13.27
7.66
9.89
11.09
12.61
14.62
10.68
12.21
13.74
15.70
17.89
10.48
11.84
13.41
15.20
17.20
11.64
13.30
14.84
17.07
19.32
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
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
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
Part
(1)
Number
L-14700
L-14701
L-14702
L-14703
L-14704
L-14705
L-14706
L-14707
L-14708
L-14709
L-14710
L-14711
L-14712
L-14713
L-14714
L-14715
L-14716
L-14717
L-14718
L-14719
L-14720
L-14721
L-14722
L-14723
L-14724
L-14725
L-14726
L-14727
L-14728
L-14729
L-14730
L-14731
L-14732
L-14733
L-14734
L-14735
L-14736
L-14737
L-14738
L-14739
L-14740
Core Loss Data is provided for
comparison with other listed inductor
materials and is for reference only.
(K)
Well Suited for Switch Mode Power
Supplies and Regulator Applications.
For Bare Coil Dimensions
Refer to Drawing and
Dimensions from Page 6
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
Clip Mount Package
(1)
(K)
(K)
(K)
(K)
(K)
(K)
(K)
A
0.130"
D
C
B
F
1) Selected Parts available in Clip Mount Style. Example: L-14702K
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%)
Clip Mount Package Size Chart
(1)
Size
Code
1
2
3
4
A
Typical Dimensions in Inches
B
C
D
0.340
0.450
0.600
0.700
0.580
0.650
0.948
1.250
0.290
0.325
0.475
0.625
F
0.220
0.300
0.450
0.500
0.600
0.650
0.950
1.250
Specifications are subject to change without notice
SML-SD - 10/02
Rhombus
Industries Inc.
Transformers & Magnetic Products
7
15801 Chemical Lane
Huntington Beach, California 92649-1595
Phone: (714) 898-0960
z
FAX: (714) 896-0971
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