Series
CMT4545R
CMT4545
Surface Mount Toroids
POWER INDUCTORS
PARALLEL RATINGS
SERIES RATINGS
• UL94VO Header Material
• Low EMI Radiation
Lead Pad Coplanarity Max.
0.002 inches; 0.05 mm
Inductance values
from 0.49 µH to 300 µH
Physical Parameters
Inches
A
0.594 ± 0.015
B
0.250 Max.
C
0.070 ± 0.020
D
0.450 ± 0.020
E
0.520
F
0.520
G
0.120 Sq.
Millimeters
15.09 ± 0.38
6.35 Max.
1.78 ± 0.51
11.43 ± 0.51
13.21
13.21
3.05 Sq.
-00M
-02M
-04M
-06M
-08M
-10M
-12M
-14M
-16M
-18M
-20M
-22M
-24M
-26M
-28M
-30M
-32M
-34M
-36M
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
DA
SH
• Application Versatility
Coupled inductors;
1:1 isolation transformers
Weight Max. (Grams)
2.0
Soldering
Internal solder connections
use high temperature solder
*Complete part # must include series
# PLUS the dash #
For further surface finish
information, refer to TECHNICAL
section of this catalog.
-100M
-102M
-104M
-106M
-108M
-110M
-112M
-114M
-116M
-118M
-120M
-122M
-124M
-126M
-128M
-130M
-132M
-134M
-136M
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
LAND PATTERN
DIMENSIONS
** Note
The full load current is the current rating that will cause a
maximum temperature rise of 35°C from a 90°C ambient
PAGE
76
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NU
MB
OP
ER
E
*
IN N C
DU IR
@ CT CU
1K AN IT
H C
FU z ± E (
2 µ
L
CU L L 0% H)
RR OA
E D
FU NT
L
AD
IN L L
C*
D O
*
RE UCT AD
F. AN
@ C
DC 1 K E (µ
H H
NO RES z )
MI IST
N A
OP AL NC
( E
E
IN N C Ohm
D I
s
@ UCT RCU )
1K AN IT
H C
FU z ± 2 E (µ
L
0 H
CU L L % )
RR OA
E D
FU NT
A
L
IN L L DC
DU OA **
RE CT D
F. AN
@ C
DC 1 E (
K µ
NO RES Hz H)
MI IST
NA A
L NC
(O E
hm
s)
SERIES CMT4545 FERROUS ALLOY
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
0.004
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
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
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
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 CMT4545 HIGH SATURATION CORE
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
0.45
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
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
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
4/2005
Microchip MCU
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