®
ECONO-PAC™/OCTA-PAC®
OCTA-PAC® PLUS
Power Inductors and Transformers
Description
• 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
material
• ECONO-PAC’s are a lower cost version of OCTA-PAC’s
offering high saturation flux density
• OCTA-PAC PLUS’s offer higher current ratings and higher
saturation flux densities than OCTA-PAC and ECONO-PAC
• Secure 4 Terminal Mounting
• Inductor more versatile inductance combination by series
or parallel connections
• RoHS compliant (-R option)
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).
• Infrared reflow temperature: +240°C for 30 seconds
maximum
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
CTX0.68-1P
CTX1-1P
CTX2-1P
CTX5-1P
CTX8-1P
CTX10-1P
CTX15-1P
CTX20-1P
CTX25-1P
CTX33-1P
CTX50-1P
CTX68-1P
CTX100-1P
CTX150-1P
CTX200-1P
CTX300-1P
CTX0.47-2P
CTX0.68-2P
CTX1-2P
CTX2-2P
CTX5-2P
CTX8-2P
CTX10-2P
CTX15-2P
CTX20-2P
CTX25-2P
CTX33-2P
CTX50-2P
CTX68-2P
CTX100-2P
CTX150-2P
CTX200-2P
CTX300-2P
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
