PA
RT
NUMBER
FULL LO
AD
INDUCT
ANCE (H)
REF
. @ 1 KHz
FULL LO
AD
CURRENT ADC*
OPEN CIRCUIT
INDUCT
ANCE (H)
@ 1KHz
20%
DC RESIST
ANCE
NOMINAL (Ohms)
DC RESIST
ANCE
NOMINAL (Ohms)
FULL LO
AD
INDUCT
ANCE (H)
REF
. @ 1 KHz
FULL LO
AD
CURRENT ADC*
OPEN CIRCUIT
INDUCT
ANCE (H)
@ 1KHz
20%
Series CMT4545
Surface Mount Toroids
0.49
0.87
1.50
2.00
5.60
8.20
10
15
22
27
33
50
68
75
100
150
200
250
300
0.49
0.87
1.50
2.00
5.60
8.20
10
15
22
27
33
50
68
75
100
150
200
250
300
8.7
7.8
7.1
6.6
4.7
4.4
3.9
3.6
2.6
2.5
2.3
1.9
1.7
1.6
1.4
1.0
0.94
0.79
0.75
8.7
7.8
7.1
6.6
4.7
4.4
3.9
3.6
2.6
2.5
2.3
1.9
1.7
1.6
1.4
1.0
0.94
0.79
0.75
0.37
0.63
0.89
1.21
3.08
4.05
5.41
7.03
11.2
13.1
15.9
24.4
31.5
34.8
46.1
79.0
96.6
130
146
0.45
0.77
1.16
1.62
4.38
6.08
7.63
10.8
15.6
18.8
24.0
36.9
49.0
52.6
72.2
108
143
182
216
0.004
0.005
0.006
0.007
0.014
0.016
0.020
0.024
0.045
0.049
0.056
0.086
0.101
0.125
0.152
0.300
0.343
0.486
0.536
0.004
0.005
0.006
0.007
0.014
0.016
0.020
0.024
0.045
0.049
0.056
0.086
0.101
0.125
0.152
0.300
0.343
0.486
0.536
Application Versatility
Coupled inductors;
1:1 isolation transformers
UL94VO Header Material
Low EMI Radiation
Lead Pad Coplanarity Max.
0.002 inches; 0.05 mm
Inductance values
from 0.49 H to 300 H
Physical Parameters
Inches
Millimeters
A 0.594 0.015 15.09 0.38
B 0.250 Max.
6.35 Max.
C 0.070 0.020 1.78 0.51
D 0.450 0.020 11.43 0.51
E 0.520
13.21
F 0.520
13.21
G 0.120 Sq.
3.05 Sq.
Weight Max. (Grams) 2.0
Termination
90/10 Tin/Lead plating
Soldering Internal solder
connections use high
temperature solder
PARALLEL RATINGS
2.00
3.50
5.40
7.80
22.0
31.2
42.4
62.5
86.5
105
135
208
280
300
420
610
805
1000
1200
2.00
3.50
5.40
7.80
22.0
31.2
42.4
62.5
86.5
105
135
208
280
300
420
610
805
1000
1200
4.4
3.9
3.6
3.3
2.3
2.2
2.0
1.8
1.3
1.2
1.2
0.94
0.87
0.78
0.71
0.51
0.47
0.40
0.38
4.4
3.9
3.6
3.3
2.3
2.2
2.0
1.8
1.3
1.2
1.2
0.94
0.87
0.78
0.71
0.51
0.47
0.40
0.38
1.48
2.52
3.56
4.84
12.3
16.2
21.6
28.1
45.0
52.3
63.5
97.7
126
139
184
316
386
520
584
1.80
3.08
4.64
6.48
17.5
24.3
30.5
43.1
62.2
75.4
96.0
148
196
210
289
431
571
730
864
0.016
0.020
0.024
0.028
0.056
0.064
0.080
0.096
0.180
0.196
0.224
0.344
0.404
0.500
0.608
1.200
1.372
1.944
2.144
0.016
0.020
0.024
0.028
0.056
0.064
0.080
0.096
0.180
0.196
0.224
0.344
0.404
0.500
0.608
1.200
1.372
1.944
2.144
SERIES RATINGS
* Note The full load current is the current rating that will cause a
maximum temperature rise of 35C from a 90C ambient
LAND PATTERN
DIMENSIONS
SERIES CMT4545 LOW LOSS CORE
CMT4545-00M
CMT4545-02M
CMT4545-04M
CMT4545-06M
CMT4545-08M
CMT4545-10M
CMT4545-12M
CMT4545-14M
CMT4545-16M
CMT4545-18M
CMT4545-20M
CMT4545-22M
CMT4545-24M
CMT4545-26M
CMT4545-28M
CMT4545-30M
CMT4545-32M
CMT4545-34M
CMT4545-36M
SERIES CMT4545 HIGH SATURATION CORE
CMT4545-100M
CMT4545-102M
CMT4545-104M
CMT4545-106M
CMT4545-108M
CMT4545-110M
CMT4545-112M
CMT4545-114M
CMT4545-116M
CMT4545-118M
CMT4545-120M
CMT4545-122M
CMT4545-124M
CMT4545-126M
CMT4545-128M
CMT4545-130M
CMT4545-132M
CMT4545-134M
CMT4545-136M
POWER INDUCTORS
2/ 2002
PAGE
70
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