®
OCTA-PAC™ PLUS
GENERAL
OCTA-PAC™ PLUS
is an advanced product enhance-
ment utilizing a recently developed new core material
technology design. This newly developed technology
allows for the same physical dimensions of our existing
OCTA-PAC™
product line with up to twice the current
carrying ability and energy storage.
OCTA-PAC™ PLUS
can be used as both an inductor or
a 1:1 transformer for any magnetics application where a
low core loss material is desired.
These magnetic products may be used in many engi-
neering applications depending on their connection (ref:
configuration drawings). When used as inductors, they
provide low inductance with high current when wired in
parallel or higher inductance with lower current if wired in
series. When used as 1:1 transformers, they provide
300V electrical isolation and an extremely wide voltage
transformation range in the flyback mode.
These toroidal inductors deliver constant electrical oper-
ating characteristics with virtually no radiated fields for a
wide range of user applications.
OCTA-PAC™ PLUS
surface mount inductors along with
all Coiltronics products are designed and manufactured in
accordance with the highest standards for quality and
reliability.
OCTA-PAC
PLUS 1
OCTA-PAC
PLUS 2
OCTA-PAC
PLUS 3
OCTA-PAC
PLUS 4
ENVIRONMENTAL SPECIFICATIONS
• Storage Temperature Range: -40° to +125°C
• Operating Ambient Temperature Range:
-40°C to +85°C range is application
specific. The internal “hot-spot” temperature defines the
maximum allowable currents, which are limited to
130°C, including
ambient.
• Infrared Reflow Temperature: +240°C for 30 seconds
maximum
Information furnished herein is believed to be accurate
and reliable. However, Cooper Electronic Technologies
cannot assume responsibility for the use of any of our
components, nor for any liabilities which may result from
component use. Cooper Electronic Technologies reserves
the right to change component specifications without
notice.
Life Support Policy:
Cooper Electronic Technologies does
not authorize the use of any of its products for use in life
support devices or systems without the express written
approval of an officer of the Company. Life support sys-
tems are devices which support or sustain life, and
whose failure to perform, when properly used in accor-
dance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury
to the user.
FEATURE - BENEFITS
• Engineered Core Technology for High Frequency Switch
Mode Power Supply Circuit Designs
• Ultimate Power Density
• Meets UL94V-0 flammability standard
• Tightly coupled windings
• Naturally Shielded by use of closed field Toroidal design
• Tape-and-Reel Packaging
®
OCTA-PAC™ PLUS 1
Part Number
Rated
Inductance
(µH)
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)
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
Parallel Ratings
I sat. (3)
I rms. (2)
Amperes
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0032
0.0039
0.0060
0.010
0.017
0.028
0.039
0.075
0.109
0.148
0.213
0.327
0.375
0.588
0.713
0.825
1.012
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
Series Ratings
I sat. (3)
I rms. (2)
Amperes
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0128
0.0158
0.0241
0.0400
0.0700
0.1117
0.1573
0.2983
0.4348
0.5944
0.8527
1.3064
1.4991
2.3530
2.8531
3.3030
4.0505
CTX0.33-1A
CTX0.68-1A
CTX1-1A
CTX2-1A
CTX5-1A
CTX8-1A
CTX10-1A
CTX15-1A
CTX20-1A
CTX25-1A
CTX33-1A
CTX50-1A
CTX68-1A
CTX100-1A
CTX150-1A
CTX200-1A
CTX300-1A
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) RMS current, delta temp. of 40° C ambient
temperature of 85° C
3) Peak current for approximately 30% roll-off
4) Values @ 20° C, Maximum DCR is +15% of
typical value.
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
Notes:
• Pocket position is relative to sprocket hole measured as true
position of pocket, not pocket hole.
• Parts to be oriented with pin#1 to the top of the carrier.
• Dimensions are in millimeters.
• Parts packaged on Tape-and-Reel at 1,100 units per Reel
Direction of Feed
©
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645
Fax: +1-561-742-1178
®
OCTA-PAC™ PLUS 2
Part Number
Rated
Inductance
(µH)
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)
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
Parallel Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0028
0.0039
0.0050
0.0077
0.018
0.027
0.040
0.046
0.067
0.095
0.138
0.206
0.293
0.596
0.722
0.814
1.006
OCL (1)
nominal
+/-25%
(µH)
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
Series Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0113
0.0155
0.0200
0.0298
0.0717
0.1105
0.1614
0.1867
0.2685
0.3798
0.5559
0.8233
1.1714
2.3813
2.8855
3.2569
4.0260
CTX0.33-2A
CTX0.68-2A
CTX1-2A
CTX2-2A
CTX5-2A
CTX8-2A
CTX10-2A
CTX15-2A
CTX20-2A
CTX25-2A
CTX33-2A
CTX50-2A
CTX68-2A
CTX100-2A
CTX150-2A
CTX200-2A
CTX300-2A
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) RMS current, delta temp. of 40° C ambient
temperature of 85° C
3) Peak current for approximately 30% roll-off
4) Values @ 20° C, Maximum DCR is +15% of
typical value.
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
Notes:
• Pocket position is relative to sprocket hole measured as true
position of pocket, not pocket hole.
• Parts to be oriented with pin#1 to the top of the carrier.
• Dimensions are in millimeters.
• Parts packaged on Tape-and-Reel at 800 units per Reel
Direction of Feed
©
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645
Fax: +1-561-742-1178
®
OCTA-PAC™ PLUS 3
Part Number
Rated
Inductance
(µH)
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)
0.368
0.688
1.08
2.11
5.20
8.43
9.68
15.52
20.81
24.77
33.71
49.71
68.80
99.07
149.7
198.8
296.2
Parallel Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
15.0
11.3
9.0
6.43
4.09
3.21
3.00
2.37
2.05
1.88
1.61
1.32
1.13
0.94
0.76
0.66
0.54
11.4
9.3
8.38
7.26
5.24
4.23
3.64
3.25
2.43
2.34
1.93
1.56
1.28
1.05
0.86
0.71
0.56
DCR
Ω
(4)
typ.
@ 20°C.
0.0027
0.0041
0.0051
0.0068
0.013
0.020
0.027
0.033
0.061
0.065
0.096
0.147
0.217
0.325
0.489
0.711
1.122
OCL (1)
nominal
+/-25%
(µH)
1.47
2.75
4.20
8.43
20.81
33.77
38.70
62.09
83.25
99.07
134.8
198.8
275.2
396.3
598.7
795.3
1185
Series Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
7.50
5.63
4.50
3.21
2.05
1.61
1.50
1.18
1.02
0.94
0.80
0.66
0.56
0.47
0.38
0.33
0.27
5.72
4.64
4.19
3.63
2.62
2.12
1.82
1.63
1.22
1.17
0.96
0.78
0.64
0.53
0.43
0.35
0.28
DCR
Ω
(4)
typ.
@ 20°C.
0.0109
0.0166
0.0204
0.0272
0.0520
0.0800
0.1082
0.1354
0.2417
0.2621
0.3851
0.5880
0.8686
1.2981
1.9570
2.8410
4.4880
CTX0.33-3A
CTX0.68-3A
CTX1-3A
CTX2-3A
CTX5-3A
CTX8-3A
CTX10-3A
CTX15-3A
CTX20-3A
CTX25-3A
CTX33-3A
CTX50-3A
CTX68-3A
CTX100-3A
CTX150-3A
CTX200-3A
CTX300-3A
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) RMS current, delta temp. of 40° C ambient
temperature of 85° C
3) Peak current for approximately 30% roll-off
4) Values @ 20° C, Maximum DCR is +15% of
typical value.
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
Notes:
• Pocket position is relative to sprocket hole measured as true
position of pocket, not pocket hole.
• Parts to be oriented with pin#1 to the top of the carrier.
• Dimensions are in millimeters.
• Parts packaged on Tape-and-Reel at 800 units per Reel
Direction of Feed
©
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645
Fax: +1-561-742-1178
®
OCTA-PAC™ PLUS 4
Part Number
Rated
Inductance
(µH)
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)
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
Parallel Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0026
0.0034
0.0045
0.0054
0.0073
0.013
0.017
0.025
0.029
0.041
0.061
0.089
0.131
0.201
0.313
0.447
0.675
OCL (1)
nominal
+/-25%
(µH)
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
Series Ratings
I sat. (3)
I rms. (2)
Amperes
Amperes
Peak
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
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
DCR
Ω
(4)
typ.
@ 20°C.
0.0102
0.0136
0.0177
0.0215
0.0290
0.0502
0.0694
0.1007
0.1154
0.1652
0.2429
0.3579
0.5246
0.8048
1.2529
1.7873
2.6981
CTX0.33-4A
CTX0.68-4A
CTX1-4A
CTX2-4A
CTX5-4A
CTX8-4A
CTX10-4A
CTX15-4A
CTX20-4A
CTX25-4A
CTX33-4A
CTX50-4A
CTX68-4A
CTX100-4A
CTX150-4A
CTX200-4A
CTX300-4A
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) RMS current, delta temp. of 40° C ambient
temperature of 85° C
3) Peak current for approximately 30% roll-off
4) Values @ 20° C, Maximum DCR is +15% of
typical value.
5) Hipot rating: winding to winding: 300Vdc min.
6) Turns Ratio: (1-2):(4-3) 1:1
Notes:
• Pocket position is relative to sprocket hole measured as true
position of pocket, not pocket hole.
• Parts to be oriented with pin#1 to the top of the carrier.
• Dimensions are in millimeters.
• Parts packaged on Tape-and-Reel at 600 units per Reel
Direction of Feed
©
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645
Fax: +1-561-742-1178
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