CTX20-3-R Coiltronics/Div of Cooper/Bussmann, CTX20-3-R Datasheet - Page 4

• Manufacturer Part Number: CTX20-3-R
• Description: INDUCTOR TOROID DUAL 20.18UH SMD
• Manufacturer: Coiltronics/Div of Cooper/Bussmann
• Series: OCTA-PAC®r

Specifications of CTX20-3-R

• Inductance Per Coil: 20.18µH
• Number Of Coils: 2
• Current: 750mA
• Tolerance: ±20%
• Inductance - Connected In Series: 80.74µH
• Inductance - Connected In Parallel: 20.18µH
• Dc Resistance (dcr): 156.0 mOhm Max
• Package / Case: 0.550" L x 0.550" W x 0.190" H (13.97mm x 13.97mm x 4.83mm)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 513-1008-2; CTX20-3

1) Open Circuit Inductance Test Parameters: 100kHz, 0.250 Vrms, 0.0 Adc
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
P P a a r r t t N N u u m m b b e e r r
C C T T X X 0 0 . . 3 3 3 3 - - 1 1 A A - - R R
C C T T X X 0 0 . . 6 6 8 8 - - 1 1 A A - - R R
C C T T X X 1 1 - - 1 1 A A - - R R
C C T T X X 2 2 - - 1 1 A A - - R R
C C T T X X 5 5 - - 1 1 A A - - R R
C C T T X X 8 8 - - 1 1 A A - - R R
C C T T X X 1 1 0 0 - - 1 1 A A - - R R
C C T T X X 1 1 5 5 - - 1 1 A A - - R R
C C T T X X 2 2 0 0 - - 1 1 A A - - R R
C C T T X X 2 2 5 5 - - 1 1 A A - - R R
C C T T X X 3 3 3 3 - - 1 1 A A - - R R
C C T T X X 5 5 0 0 - - 1 1 A A - - R R
C C T T X X 6 6 8 8 - - 1 1 A A - - R R
C C T T X X 1 1 0 0 0 0 - - 1 1 A A - - R R
C C T T X X 1 1 5 5 0 0 - - 1 1 A A - - R R
C C T T X X 2 2 0 0 0 0 - - 1 1 A A - - R R
C C T T X X 3 3 0 0 0 0 - - 1 1 A A - - R R
C C T T X X 0 0 . . 3 3 3 3 - - 2 2 A A - - R R
C C T T X X 0 0 . . 6 6 8 8 - - 2 2 A A - - R R
C C T T X X 1 1 - - 2 2 A A - - R R
C C T T X X 2 2 - - 2 2 A A - - R R
C C T T X X 5 5 - - 2 2 A A - - R R
C C T T X X 8 8 - - 2 2 A A - - R R
C C T T X X 1 1 0 0 - - 2 2 A A - - R R
C C T T X X 1 1 5 5 - - 2 2 A A - - R R
C C T T X X 2 2 0 0 - - 2 2 A A - - R R
C C T T X X 2 2 5 5 - - 2 2 A A - - R R
C C T T X X 3 3 3 3 - - 2 2 A A - - R R
C C T T X X 5 5 0 0 - - 2 2 A A - - R R
C C T T X X 6 6 8 8 - - 2 2 A A - - R R
C C T T X X 1 1 0 0 0 0 - - 2 2 A A - - R R
C C T T X X 1 1 5 5 0 0 - - 2 2 A A - - R R
C C T T X X 2 2 0 0 0 0 - - 2 2 A A - - R R
C C T T X X 3 3 0 0 0 0 - - 2 2 A A - - R R
C C T T X X 0 0 . . 3 3 3 3 - - 3 3 A A - - R R
C C T T X X 0 0 . . 6 6 8 8 - - 3 3 A A - - R R
C C T T X X 1 1 - - 3 3 A A - - R R
C C T T X X 2 2 - - 3 3 A A - - R R
C C T T X X 5 5 - - 3 3 A A - - R R
C C T T X X 8 8 - - 3 3 A A - - R R
C C T T X X 1 1 0 0 - - 3 3 A A - - R R
C C T T X X 1 1 5 5 - - 3 3 A A - - R R
C C T T X X 2 2 0 0 - - 3 3 A A - - R R
C C T T X X 2 2 5 5 - - 3 3 A A - - R R
C C T T X X 3 3 3 3 - - 3 3 A A - - R R
C C T T X X 5 5 0 0 - - 3 3 A A - - R R
Parallel: (1,4 - 3,2) Series: (1 - 3) tie (2 - 4)
I I n n d d u u c c t t a a n n c c e e
R R a a t t e e d d
100.0
150.0
200.0
300.0
100.0
150.0
200.0
300.0
( ( µ µ H H ) )
0.33
0.68
10.0
15.0
20.0
25.0
33.0
50.0
68.0
0.33
0.68
10.0
15.0
20.0
25.0
33.0
50.0
68.0
0.33
0.68
10.0
15.0
20.0
25.0
33.0
50.0
1.0
2.0
5.0
8.0
1.0
2.0
5.0
8.0
1.0
2.0
5.0
8.0
n n o o m m i i n n a a l l
O O C C L L ( ( 1 1 ) )
+ + / / - - 2 2 5 5 % %
102.38
0.402
0.752
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
11.38
15.48
20.22
25.60
34.84
49.38
66.44
152.9
197.5
303.7
0.368
0.688
15.52
20.81
24.77
33.71
49.71
1.18
2.30
4.70
7.94
1.26
1.98
5.06
7.90
1.08
2.11
5.20
8.43
9.68
( ( µ µ H H ) )
A A m m p p e e r r e e s s
I I s s a a t t . . ( ( 2 2 ) )
P P e e a a k k
12.5
5.36
3.75
2.88
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
6.43
4.09
3.21
3.00
2.37
2.05
1.88
1.61
1.32
9.4
7.5
2.5
9.0
P P a a r r a a l l l l e e l l R R a a t t i i n n g g s s
I I r r m m s s . . ( ( 3 3 ) )
A A m m p p e e r r e e s s
10.0
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
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
8.38
7.26
5.24
4.23
3.64
3.25
2.43
2.34
1.93
1.56
9.0
9.4
9.3
D D C C R R Ω Ω ( ( 4 4 ) )
@ @ 2 2 0 0 ° ° C C . .
0.0037
0.0046
0.0070
0.0033
0.0045
0.0058
0.0090
0.0032
0.0048
0.0059
0.0079
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
0.021
0.032
0.047
0.054
0.078
0.111
0.162
0.240
0.342
0.695
0.842
0.950
1.174
0.015
0.023
0.032
0.039
0.071
0.076
0.112
0.171
m m a a x x . .
V V o o l l t t ( ( 7 7 ) )
µ µ - - S S e e c c
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
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
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
.93
.85
applied V-us at 300KHz necessary to generate a core loss equal to 10% of the
total losses for a 40°C temperature rise.
n n o o m m i i n n a a l l
O O C C L L ( ( 1 1 ) )
+ + / / - - 2 2 5 5 % %
102.38
Power Inductors and Transformers
31.77
42.30
60.91
82.91
99.45
137.1
204.7
271.5
397.8
589.6
794.3
20.22
31.60
45.50
61.94
80.90
139.4
197.5
265.8
409.5
611.8
790.0
20.81
33.77
38.70
62.09
83.25
99.07
134.8
198.8
1203
1215
( ( µ µ H H ) )
1.61
3.01
4.70
9.21
18.8
1.14
2.70
5.06
7.90
1.47
2.75
4.20
8.43
A A m m p p e e r r e e s s
I I s s a a t t . . ( ( 2 2 ) )
ECONO-PAC™/OCTA-PAC
P P e e a a k k
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
S S e e r r i i e e s s R R a a t t i i n n g g s s
I I r r m m s s . . ( ( 3 3 ) )
A A m m p p e e r r e e s s
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
OCTA-PAC
D D C C R R Ω Ω ( ( 4 4 ) )
@ @ 2 2 0 0 ° ° C C . .
0.0185
0.0282
0.0470
0.0132
0.0180
0.0233
0.0128
0.0194
0.0238
0.0317
0.015
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
0.035
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
0.061
0.093
0.126
0.158
0.282
0.306
0.449
0.686
m m a a x x . .
®
PLUS
V V o o l l t t ( ( 7 7 ) )
µ µ - - S S e e c c
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
®