COOPER CTX2-1-R

ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Description
RoHS
2002/95/EC
• Surface mount magnetics that can be used as single
or coupled inductors or 1:1 transformers that provide
isolation between two windings
• OCTA-PAC’s are designed around high frequency, low loss core
material
• ECONO-PAC’s are a lower cost version of OCTA-PAC’s
offering high saturation flux density, Powder Iron core material
• OCTA-PAC PLUS’s offer higher current ratings and higher
saturation flux densities than OCTA-PAC and ECONO-PAC,
Amorphous metal core material
• Secure 4 Terminal Mounting
• Inductor more versatile inductance combination by series or
parallel connections
Applications
• Computer and portable power devices
• LCD panels, DVD players
• Inductor: DC-DC converters
• Buck, boost, forward, and resonant converters
• Noise filtering and filter chokes
• Transformers: 1:1 300Vdc isolation, flyback, sepic
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +85°C (range
is application specific).
• Solder reflow temperature: +260°C max. for 10 seconds max.
Packaging
• Supplied in tape and reel packaging, 1100 (EP01, OPA1, and
OP01), 800 (EP02, OP02, OPA2, EP03, OPA3, and OP03),
and 600 (EP04, OPA4, and OP04) per reel
Legend
Marking
• CTX___-__ (First three digits CTX; Second 2-3 digits =
Inductance Value; Last 1-2 digits, product size & type)
Product Size/Type
• CTX___-1 (-1 = size; no suffix = OCTA-PAC®)
• CTX___-1P (-1 = size; P suffix = ECONO-PAC™)
• CTX___-1A (-1 = size; A suffix = OCTA-PAC® PLUS)
PARALLEL
Part
Number
CTX0.47-1P-R
CTX0.68-1P-R
CTX1-1P-R
CTX2-1P-R
CTX5-1P-R
CTX8-1P-R
CTX10-1P-R
CTX15-1P-R
CTX20-1P-R
CTX25-1P-R
CTX33-1P-R
CTX50-1P-R
CTX68-1P-R
CTX100-1P-R
CTX150-1P-R
CTX200-1P-R
CTX300-1P-R
CTX0.47-2P-R
CTX0.68-2P-R
CTX1-2P-R
CTX2-2P-R
CTX5-2P-R
CTX8-2P-R
CTX10-2P-R
CTX15-2P-R
CTX20-2P-R
CTX25-2P-R
CTX33-2P-R
CTX50-2P-R
CTX68-2P-R
CTX100-2P-R
CTX150-2P-R
CTX200-2P-R
CTX300-2P-R
Open Circuit
Inductance
µH +/-20%
.42
.60
1.07
2.02
4.83
8.08
9.62
15.03
20.46
25.40
32.33
50.52
68.40
99.01
150.72
198.41
299.87
.54
.85
1.22
2.18
4.90
7.65
9.83
14.99
19.58
24.79
32.67
49.10
68.85
99.14
148.10
201.59
300.42
Full Load
Inductance
µH min.
.31
.43
.73
1.36
3.37
5.31
6.23
9.62
14.12
17.07
22.27
33.57
43.65
63.64
96.64
130.79
190.05
.42
.64
.89
1.56
3.57
5.31
6.73
10.51
13.37
16.60
21.29
35.31
47.93
69.56
100.07
138.49
197.52
SERIES
Full Load
Current
Adc
DC
Resistance
ohms max.
5.50
5.10
4.50
3.40
2.00
1.80
1.70
1.40
1.00
.96
.80
.70
.66
.54
.44
.36
.32
5.90
5.40
5.00
3.90
2.50
2.30
2.10
1.60
1.50
1.40
1.30
.82
.76
.62
.56
.46
.42
.005
.006
.008
.013
.040
.052
.057
.087
.158
.177
.250
.316
.373
.557
.844
1.208
1.525
.006
.007
.008
.014
.032
.040
.045
.085
.097
.109
.126
.305
.362
.541
.665
.951
1.176
Open Circuit
Inductance
µH +/-20%
1.67
2.40
4.28
8.08
19.31
32.33
38.48
60.12
81.83
101.60
129.32
202.07
273.61
396.06
602.87
793.65
1199.46
2.18
3.40
4.90
8.70
19.58
30.60
39.30
59.98
78.34
99.14
130.70
196.38
275.40
396.58
592.42
806.34
1201.70
Full Load
Inductance
µH min.
Full Load
Current
Adc
DC
Resistance
ohms max.
1.25
1.74
2.92
5.44
13.47
21.23
24.94
38.47
56.47
68.29
89.06
134.27
174.61
254.55
386.56
523.16
760.19
1.69
2.55
3.57
6.26
14.26
21.23
26.92
42.02
53.48
66.38
85.17
141.24
191.71
278.22
400.27
553.97
790.08
2.75
2.55
2.25
1.70
1.00
.90
.85
.70
.50
.48
.40
.35
.33
.27
.22
.18
.16
2.95
2.70
2.50
1.95
1.25
1.15
1.05
.80
.75
.70
.65
.41
.38
.31
.28
.23
.21
.021
.025
.032
.054
.161
.207
.227
.348
.634
.708
1.001
1.263
1.490
2.227
3.376
4.831
6.100
.024
.029
.033
.055
.128
.158
.179
.339
.387
.436
.503
1.221
1.445
2.162
2.660
3.804
4.703
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
PARALLEL
Part
Number
CTX0.47-3P-R
CTX0.68-3P-R
CTX1-3P-R
CTX2-3P-R
CTX5-3P-R
CTX8-3P-R
CTX10-3P-R
CTX15-3P-R
CTX20-3P-R
CTX25-3P-R
CTX33-3P-R
CTX50-3P-R
CTX68-3P-R
CTX100-3P-R
CTX150-3P-R
CTX200-3P-R
CTX300-3P-R
CTX0.47-4P-R
CTX0.68-4P-R
CTX1-4P-R
CTX2-4P-R
CTX5-4P-R
CTX8-4P-R
CTX10-4P-R
CTX15-4P-R
CTX20-4P-R
CTX25-4P-R
CTX33-4P-R
CTX50-4P-R
CTX68-4P-R
CTX100-4P-R
CTX150-4P-R
CTX200-4P-R
CTX300-4P-R
CTX0.47-1-R
CTX0.68-1-R
CTX1-1-R
CTX2-1-R
CTX5-1-R
CTX8-1-R
CTX10-1-R
CTX15-1-R
CTX20-1-R
CTX25-1-R
CTX33-1-R
CTX50-1-R
CTX68-1-R
CTX100-1-R
CTX150-1-R
CTX200-1-R
CTX300-1-R
CTX0.47-2-R
CTX0.68-2-R
CTX1-2-R
CTX2-2-R
CTX5-2-R
CTX8-2-R
CTX10-2-R
CTX15-2-R
CTX20-2-R
CTX25-2-R
CTX33-2-R
CTX50-2-R
CTX68-2-R
CTX100-2-R
Open Circuit
Inductance
µH +/-20%
.46
.67
.91
1.85
4.74
8.16
9.79
14.50
20.15
25.33
32.63
50.02
68.84
101.31
149.85
200.10
298.39
.49
.76
1.10
1.95
5.15
7.81
9.88
14.76
20.62
25.65
33.21
48.80
67.37
99.09
149.45
200.11
298.93
.40
.63
.90
2.03
4.90
8.10
10.00
14.40
19.60
25.60
32.40
50.63
67.60
99.23
148.23
202.50
302.50
.42
.75
1.18
2.30
4.70
7.94
10.58
15.23
20.73
24.86
31.77
51.18
67.87
99.45
Full Load
Inductance
µH min.
.35
.50
.65
1.24
3.04
4.90
5.71
8.50
13.12
16.16
20.32
33.06
44.15
65.50
90.92
116.51
172.12
.37
.56
.81
1.42
3.56
5.15
6.70
9.52
13.44
17.17
22.93
32.21
43.04
69.54
101.46
131.37
188.03
.26
.41
.56
1.00
2.66
4.08
4.85
8.74
11.54
16.35
19.84
29.34
39.73
58.72
85.16
107.60
191.38
.29
.50
.76
1.27
2.66
4.18
5.18
8.53
12.36
16.09
15.90
28.79
38.71
57.45
SERIES
Full Load
Current
Adc
DC
Resistance
ohms max.
6.20
5.70
5.40
4.60
3.20
2.80
2.70
2.20
1.50
1.40
1.30
.92
.84
.68
.64
.60
.50
7.90
7.20
5.90
4.60
3.30
3.00
2.50
2.30
1.90
1.60
1.30
1.20
1.10
.72
.64
.60
.54
5.50
4.50
4.20
4.10
2.30
2.00
1.90
1.10
1.00
.74
.72
.64
.54
.44
.38
.37
.22
6.50
5.50
4.60
4.50
3.00
2.60
2.50
1.70
1.30
1.00
1.40
.92
.78
.63
.006
.007
.008
.011
.022
.030
.033
.050
.111
.125
.146
.277
.328
.501
.621
.731
.926
.005
.006
.008
.014
.027
.033
.047
.057
.084
.115
.166
.201
.238
.565
.696
.810
1.003
.005
.006
.007
.010
.030
.039
.044
.080
.146
.167
.293
.365
.516
.784
.965
1.142
1.431
.005
.006
.007
.010
.021
.027
.031
.059
.107
.117
.105
.210
.303
.457
Open Circuit
Inductance
µH +/-20%
1.85
2.66
3.63
7.40
18.94
32.63
39.15
58.02
80.59
101.31
130.54
200.10
275.35
405.22
599.40
800.38
1193.55
1.95
3.05
4.39
7.81
20.62
31.23
39.53
59.05
82.47
102.60
132.86
195.20
269.50
396.38
597.80
800.44
1195.72
1.60
2.50
3.60
8.10
19.60
32.40
40.00
57.60
78.40
102.40
129.60
202.50
270.40
396.90
592.90
810.00
1210.00
1.69
3.01
4.70
9.21
18.80
31.77
42.30
60.91
82.91
99.45
127.09
204.73
271.47
397.81
Full Load
Inductance
µH min.
Full Load
Current
Adc
DC
Resistance
ohms max.
1.42
1.98
2.62
4.97
12.15
19.60
22.85
34.01
52.48
64.66
81.30
132.24
176.61
262.02
363.68
466.03
688.50
1.49
2.24
3.24
5.69
14.23
20.61
26.79
38.09
53.76
68.68
91.72
128.83
172.16
278.15
405.83
525.47
752.13
1.05
1.63
2.24
4.01
10.64
16.34
19.40
34.96
46.15
65.42
79.37
117.38
158.92
234.88
340.64
430.39
765.54
1.17
1.98
3.04
5.07
10.65
16.72
20.72
34.10
49.46
64.35
63.59
115.16
154.83
229.79
3.10
2.85
2.70
2.30
1.60
1.40
1.35
1.10
.75
.70
.65
.46
.42
.34
.32
.30
.25
3.95
3.60
2.95
2.30
1.65
1.50
1.25
1.15
.95
.80
.65
.60
.55
.36
.32
.30
.27
2.75
2.25
2.10
2.05
1.15
1.00
.95
.55
.50
.37
.36
.32
.27
.22
.19
.19
.11
3.25
2.75
2.30
2.25
1.50
1.30
1.25
.85
.65
.50
.70
.46
.39
.32
.025
.028
.032
.045
.090
.119
.131
.198
.443
.499
.571
1.108
1.312
2.005
2.483
2.925
3.702
.019
.023
.033
.055
.107
.131
.187
.228
.337
.461
.662
.805
.952
2.259
2.784
3.240
4.011
.020
.024
.028
.040
.122
.157
.176
.319
.583
.668
1.171
1.461
2.064
3.137
3.861
4.567
5.724
.019
.024
.028
.038
.084
.108
.125
.236
.426
.466
.420
.839
1.214
1.828
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
PARALLEL
Part
Number
CTX150-2-R
CTX200-2-R
CTX300-2-R
CTX0.47-3-R
CTX0.68-3-R
CTX1-3-R
CTX2-3-R
CTX5-3-R
CTX8-3-R
CTX10-3-R
CTX15-3-R
CTX20-3-R
CTX25-3-R
CTX33-3-R
CTX50-3-R
CTX68-3-R
CTX100-3-R
CTX150-3-R
CTX200-3-R
CTX300-3-R
CTX0.47-4-R
CTX0.68-4-R
CTX1-4-R
CTX2-4-R
CTX5-4-R
CTX8-4-R
CTX10-4-R
CTX15-4-R
CTX20-4-R
CTX25-4-R
CTX33-4-R
CTX50-4-R
CTX68-4-R
CTX100-4-R
CTX150-4-R
CTX200-4-R
CTX300-4-R
Open Circuit
Inductance
µH +/-20%
147.39
198.58
300.80
.38
.60
.86
1.94
4.70
7.78
9.60
15.00
20.18
24.58
32.86
50.78
67.42
101.40
149.78
198.74
301.06
.44
.78
1.23
1.76
4.90
8.28
9.60
14.16
19.60
25.92
33.12
50.18
67.08
99.23
148.23
200.70
298.12
Full Load
Inductance
µH min.
93.46
122.94
169.06
.27
.42
.57
1.05
2.56
3.74
4.38
7.26
10.76
15.64
19.69
27.18
36.53
52.48
97.16
119.18
157.44
.32
.55
.85
1.06
2.59
4.29
4.82
6.76
10.68
13.32
16.82
25.03
35.29
54.56
77.17
111.08
147.92
SERIES
Full Load
Current
Adc
DC
Resistance
ohms max.
.43
.39
.38
6.00
5.00
4.80
4.70
3.00
2.80
2.70
2.00
1.50
.98
.96
.94
.80
.70
.38
.39
.40
7.00
6.00
5.00
4.90
4.40
3.50
3.40
3.00
2.10
2.00
1.80
1.50
1.20
.92
.82
.64
.62
.560
.796
1.231
.005
.006
.007
.010
.019
.025
.028
.043
.078
.086
.083
.239
.277
.345
.430
.619
.951
.004
.005
.006
.007
.014
.018
.019
.024
.055
.063
.072
.111
.157
.302
.372
.545
.672
Open Circuit
Inductance
µH +/-20%
589.57
794.30
1203.20
1.54
2.40
3.46
7.78
18.82
31.10
38.40
60.00
80.74
98.30
131.42
203.14
269.66
405.60
599.14
794.98
1204.22
1.76
3.14
4.90
7.06
19.60
33.12
38.42
56.64
78.40
103.68
132.50
200.70
268.32
396.90
592.90
802.82
1192.46
Full Load
Inductance
µH min.
Full Load
Current
Adc
DC
Resistance
ohms max.
373.84
491.76
676.24
1.08
1.67
2.28
4.22
10.26
14.98
17.54
29.06
43.04
62.56
78.77
108.71
146.11
209.93
388.63
476.71
629.75
1.29
2.21
3.41
4.24
10.37
17.14
19.28
27.03
42.73
53.27
67.27
100.11
141.15
218.25
308.69
444.32
591.66
.22
.20
.19
3.00
2.50
2.40
2.35
1.50
1.40
1.35
1.00
.75
.49
.48
.47
.40
.35
.19
.20
.20
3.50
3.00
2.50
2.45
2.20
1.75
1.70
1.50
1.05
1.00
.90
.75
.60
.46
.41
.32
.31
2.241
3.184
4.929
.020
.024
.028
.040
.077
.099
.111
.172
.312
.346
.331
.956
1.109
1.381
1.718
2.475
3.083
.016
.020
.024
.028
.056
.072
.078
.096
.220
.253
.287
.443
.630
1.210
1.488
2.180
2.687
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Part Number
Rated
Inductance
(µH)
CTX0.33-1A-R
CTX0.68-1A-R
CTX1-1A-R
CTX2-1A-R
CTX5-1A-R
CTX8-1A-R
CTX10-1A-R
CTX15-1A-R
CTX20-1A-R
CTX25-1A-R
CTX33-1A-R
CTX50-1A-R
CTX68-1A-R
CTX100-1A-R
CTX150-1A-R
CTX200-1A-R
CTX300-1A-R
CTX0.33-2A-R
CTX0.68-2A-R
CTX1-2A-R
CTX2-2A-R
CTX5-2A-R
CTX8-2A-R
CTX10-2A-R
CTX15-2A-R
CTX20-2A-R
CTX25-2A-R
CTX33-2A-R
CTX50-2A-R
CTX68-2A-R
CTX100-2A-R
CTX150-2A-R
CTX200-2A-R
CTX300-2A-R
CTX0.33-3A-R
CTX0.68-3A-R
CTX1-3A-R
CTX2-3A-R
CTX5-3A-R
CTX8-3A-R
CTX10-3A-R
CTX15-3A-R
CTX20-3A-R
CTX25-3A-R
CTX33-3A-R
CTX50-3A-R
0.33
0.68
1.0
2.0
5.0
8.0
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100.0
150.0
200.0
300.0
0.33
0.68
1.0
2.0
5.0
8.0
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100.0
150.0
200.0
300.0
0.33
0.68
1.0
2.0
5.0
8.0
10.0
15.0
20.0
25.0
33.0
50.0
OCL (1)
nominal
+/-25%
(µH)
0.402
0.752
1.18
2.30
4.70
7.94
10.58
15.23
20.73
24.86
34.26
51.18
67.87
99.45
147.4
198.6
300.8
0.284
0.675
1.26
1.98
5.06
7.90
11.38
15.48
20.22
25.60
34.84
49.38
66.44
102.38
152.9
197.5
303.7
0.368
0.688
1.08
2.11
5.20
8.43
9.68
15.52
20.81
24.77
33.71
49.71
I sat. (2)
Amperes
Peak
12.5
9.4
7.5
5.36
3.75
2.88
2.5
2.08
1.79
1.63
1.39
1.14
0.99
0.82
0.67
0.58
0.47
18.8
12.5
9.38
7.50
4.69
3.75
3.13
2.68
2.34
2.08
1.79
1.50
1.29
1.04
0.85
0.75
0.60
15.0
11.3
9.0
6.43
4.09
3.21
3.00
2.37
2.05
1.88
1.61
1.32
Parallel Ratings
I rms. (3) DCR Ω (4)
Amperes
max.
@ 20°C.
10.0
9.0
7.26
5.64
4.27
3.37
2.84
2.07
1.71
1.46
1.22
0.99
0.92
0.74
0.67
0.62
0.56
10.9
9.4
8.22
6.74
4.34
3.50
2.89
2.69
2.24
1.89
1.56
1.28
1.07
0.75
0.68
0.64
0.58
11.4
9.3
8.38
7.26
5.24
4.23
3.64
3.25
2.43
2.34
1.93
1.56
1) Open Circuit Inductance Test Parameters: 100kHz, 0.250 Vrms, 0.0 Adc
Parallel: (1,4 - 3,2) Series: (1 - 3) tie (2 - 4)
2) Peak current for approximately 30% roll-off
3) RMS current, delta temp. of 40° C ambient temperature of 85° C
4) DCR @ 20°C
0.0037
0.0046
0.0070
0.012
0.020
0.033
0.046
0.087
0.127
0.173
0.249
0.381
0.437
0.686
0.832
0.963
1.181
0.0033
0.0045
0.0058
0.0090
0.021
0.032
0.047
0.054
0.078
0.111
0.162
0.240
0.342
0.695
0.842
0.950
1.174
0.0032
0.0048
0.0059
0.0079
0.015
0.023
0.032
0.039
0.071
0.076
0.112
0.171
Volt (7)
µ-Sec
.93
1.24
1.55
2.17
3.11
4.04
4.66
5.59
6.52
7.14
8.39
10.3
11.8
14.3
17.4
20.2
24.9
.85
1.28
1.71
2.14
3.42
4.27
5.13
5.98
6.84
7.69
8.97
10.7
12.4
15.4
18.8
21.4
26.5
0.97
1.29
1.61
2.26
3.54
4.51
4.83
6.12
7.09
7.73
9.02
11.0
OCL (1)
nominal
+/-25%
(µH)
1.61
3.01
4.70
9.21
18.8
31.77
42.30
60.91
82.91
99.45
137.1
204.7
271.5
397.8
589.6
794.3
1203
1.14
2.70
5.06
7.90
20.22
31.60
45.50
61.94
80.90
102.38
139.4
197.5
265.8
409.5
611.8
790.0
1215
1.47
2.75
4.20
8.43
20.81
33.77
38.70
62.09
83.25
99.07
134.8
198.8
I sat. (2)
Amperes
Peak
6.25
4.69
3.75
2.68
1.88
1.44
1.25
1.04
0.89
0.82
0.69
0.57
0.49
0.41
0.33
0.29
0.23
9.38
6.25
4.69
3.75
2.34
1.88
1.56
1.34
1.17
1.04
0.89
0.75
0.65
0.52
0.43
0.38
0.30
7.50
5.63
4.50
3.21
2.05
1.61
1.50
1.18
1.02
0.94
0.80
0.66
Series Ratings
I rms. (3) DCR Ω (4)
Amperes
max.
@ 20°C.
4.98
4.48
3.63
2.82
2.13
1.69
1.42
1.03
0.86
0.73
0.61
0.49
0.46
0.37
0.33
0.31
0.28
5.47
4.68
4.11
3.37
2.17
1.75
1.45
1.35
1.12
0.94
0.78
0.64
0.54
0.38
0.34
0.32
0.29
5.72
4.64
4.19
3.63
2.62
2.12
1.82
1.63
1.22
1.17
0.96
0.78
0.015
0.0185
0.0282
0.0470
0.082
0.130
0.183
0.348
0.507
0.693
0.995
1.524
1.749
2.745
3.329
3.854
4.726
0.0132
0.0180
0.0233
0.035
0.084
0.129
0.188
0.218
0.313
0.443
0.649
0.961
1.367
2.778
3.366
3.800
4.697
0.0128
0.0194
0.0238
0.0317
0.061
0.093
0.126
0.158
0.282
0.306
0.449
0.686
Volt (7)
µ-Sec
1.86
2.49
3.11
4.35
6.21
8.08
9.32
11.2
13.0
14.3
16.8
20.5
23.6
28.6
34.8
40.4
49.7
1.71
2.56
3.42
4.27
6.84
8.55
10.3
12.0
13.7
15.4
17.9
21.4
24.8
30.8
37.6
42.7
53.0
1.93
2.58
3.22
4.51
7.09
9.02
9.67
12.2
14.2
15.5
18.0
21.9
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
7) Applied volt-time product (v-us) across the inductor. This value represents the
applied V-us at 300KHz necessary to generate a core loss equal to 10% of the
total losses for a 40°C temperature rise.
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Part Number
Rated
Inductance
(µH)
CTX68-3A-R
CTX100-3A-R
CTX150-3A-R
CTX200-3A-R
CTX300-3A-R
CTX0.33-4A-R
CTX0.68-4A-R
CTX1-4A-R
CTX2-4A-R
CTX5-4A-R
CTX8-4A-R
CTX10-4A-R
CTX15-4A-R
CTX20-4A-R
CTX25-4A-R
CTX33-4A-R
CTX50-4A-R
CTX68-4A-R
CTX100-4A-R
CTX150-4A-R
CTX200-4A-R
CTX300-4A-R
68.0
100.0
150.0
200.0
300.0
0.33
0.68
1.0
2.0
5.0
8.0
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100.0
150.0
200.0
300.0
OCL (1)
nominal
+/-25%
(µH)
68.80
99.07
149.7
198.8
296.2
0.313
0.744
1.39
2.18
4.26
8.70
10.53
14.70
19.58
25.14
34.80
50.11
68.21
100.57
153.5
200.4
302.8
I sat. (2)
Amperes
Peak
1.13
0.94
0.76
0.66
0.54
22.5
15.0
11.25
9.00
6.43
4.50
4.09
3.46
3.00
2.65
2.25
1.88
1.61
1.32
1.07
0.94
0.76
Parallel Ratings
I rms. (3) DCR Ω (4)
Amperes
max.
@ 20°C.
1.28
1.05
0.86
0.71
0.56
12.2
10.6
9.23
8.38
7.21
5.49
4.67
3.87
3.62
3.02
2.49
2.05
1.70
1.37
1.10
0.92
0.75
1) Open Circuit Inductance Test Parameters: 100kHz, 0.250 Vrms, 0.0 Adc
Parallel: (1,4 - 3,2) Series: (1 - 3) tie (2 - 4)
2) Peak current for approximately 30% roll-off
3) RMS current, delta temp. of 40° C ambient temperature of 85° C
4) DCR @ 20°C
0.253
0.379
0.571
0.829
1.309
0.0030
0.0040
0.0052
0.0063
0.0085
0.015
0.020
0.029
0.034
0.048
0.071
0.104
0.153
0.235
0.365
0.521
0.787
Volt (7)
µ-Sec
12.9
15.5
19.0
21.9
26.7
0.98
1.47
1.96
2.45
3.44
4.91
5.40
6.38
7.36
8.34
9.81
11.8
13.7
16.7
20.6
23.6
29.0
OCL (1)
nominal
+/-25%
(µH)
275.2
396.3
598.7
795.3
1185
1.25
2.98
5.57
8.70
17.05
34.80
42.11
58.81
78.30
100.51
139.2
200.4
272.8
402.3
613.9
801.8
1211
I sat. (2)
Amperes
Peak
0.56
0.47
0.38
0.33
0.27
11.25
7.50
5.63
4.50
3.21
2.25
2.05
1.73
1.50
1.32
1.13
0.94
0.80
0.66
0.54
0.47
0.38
Series Ratings
I rms. (3) DCR Ω (4)
Amperes
max.
@ 20°C.
0.64
0.53
0.43
0.35
0.28
6.09
5.28
4.62
4.19
3.61
2.74
2.33
1.94
1.81
1.51
1.25
1.03
0.85
0.69
0.55
0.46
0.37
1.013
1.514
2.283
3.315
5.236
0.0119
0.0158
0.0207
0.0251
0.0339
0.059
0.081
0.117
0.135
0.193
0.283
0.418
0.612
0.939
1.462
2.085
3.148
Volt (7)
µ-Sec
25.8
30.9
38.0
43.8
53.5
1.96
2.94
3.93
4.91
6.87
9.81
10.8
12.8
14.7
16.7
19.6
23.6
27.5
33.4
41.2
47.1
57.9
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
7) Applied volt-time product (v-us) across the inductor. This value represents the
applied V-us at 300KHz necessary to generate a core loss equal to 10% of the
total losses for a 40°C temperature rise.
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Mechanical Diagrams
CTX 1, 1P, 1A Series
CTX 2, 2P, 2A Series
CTX 3, 3P, 3A Series
CTX 4, 4P, 4A Series
Dimensions in Millimeters.
wwllyy = (date code) R = revision level
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Packaging Information
CTX 1, 1P, 1A Series
➞
Direction of Feed
Parts packaged on 13" Diameter reel,
1,100 parts per reel.
CTX 2, 2P, 2A Series
Direction of Feed
➞
Parts packaged on 13" Diameter reel,
800 parts per reel.
CTX 3, 3P, 3A Series
Direction of Feed
➞
Parts packaged on 13" Diameter reel,
800 parts per reel.
CTX 4, 4P, 4A Series
Direction of Feed
Dimensions are in millimeters.
➞
Parts packaged on 13" Diameter reel,
600 parts per reel.
Degree
40
80
20
60
0
40
0.00
0.25
0.50
0.75
20
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Per Unit Full Load Current
0
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
2.50
Per Unit Full Load Current
INDUCTANCE
VS. CURRENT
Performance Characteristics
Percentage of
Percentage
of
Inductance
Inductance
INDUCTANCE VS. CURRENT
10
0
0.00
TEMPERATURE RISE VS. RATED CURRENT
ECONO-PAC
Max. Ambient plus Rise = 125°C
140
ECONO-PAC
120
OCTA-PAC
0.25
0.50
0.75
1.00
OCTA-PAC
1.25
1.50
1.75
2.00
2.25
2.50
Degrees C
100
90
80
70
100
6090
5080
4070
3060
2050
1040
030
0.00
20
100
60
40
20
Per Unit Full Load Current
0.25
0.50
0.75
1.00
1.25
1.50
ECONO-PAC & OCTA-PAC
80
1.75
2.00
2.25
0
0.00
2.50
0.25
0.50
Per Unit Full Load Current
Percentage of
Inductance
Percentage Change
Percentagein
Change
Inductance
in Inductance
OCTA-PAC
OCTA-PAC
-15
+5
+25
+45
+65
+85
+105
+125
Temperature in Degrees C.
-35
-15
+5
+25
+45
+65
1.50
1.75
2.00
2.25
2.50
90
• CURRENT
LIMITATION:
ECONO-PAC
The 80
maximum allowable currents are defined by the internal
70
“hot-spot” temperatures which are limited to 130°C, including
60
ambient.
ECONO-PAC
-35
1.25
• INDUCTANCE
FREQUENCY RESPONSE:
VS. CURRENT
Wide-band
frequency response to 1 megaHertz.
100
INDUCTANCEECONO-PAC
VS. TEMPERATURE
-10
-12
-14
1.00
• INDUCTANCE VS. CURRENT:
Inductance will fall off as DC Current is increased.
(See Inductance vs. Current graph).
INDUCTANCE VS. TEMPERATURE
+8
+6
+4
+2+8
+0+6
-2+4
-4+2
-6+0
-8 -2
-10 -4
-12 -6
-14 -8
0.75
Per Unit Full Load Current
+85
+105
OCTA-PAC® PLUS Typical
Inductance
vs. DC
Temperature
in Degrees
C. Current
50
40
30
20
10
0
0.00
OCTA-PAC
0.25
0.50
0.75
+125
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Per Unit Full Load Current
OCTA-PAC® PLUS Winding Loss Derating with Core Loss
100
% of Losses from Irms (maximum)
Percentage Change
in Inductance
0
20
90
40
50
80
INDUCTANCE VS. TEMPERATURE
60
92
94
95
40
96
30
97
20
98
10
99
0
10
0
20
40
60
80
100
% of Isat
PM-4314 3/07
© Cooper Electronic
Technologies 2007
120
140
160
180
200
0K
Hz
10
Hz
0K
Hz
0K
20
50
30
ECONO-PAC
1M
% of OCL
90
50
Hz
+8
+6
+4
+2
+0
-2
-4
-6
-8
-10
-12
-14
80
60
0K
Hz
70
70
OCTA-PAC
20
-35
30
40
-15
50
60
+5
80
100
+25
+45200
300
+65
400 500 600
+85
800 1000
+105
+125
% of Applied
Volt-µ-Second
Rating
Temperature
in Degrees
C.
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