CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT : CMLB051H-000
REVISION
: A4
PAGE
: 1 OF 4
Power Choke Coil CMLB051H MS type
Features
High performance (Isat) realized by metal dust core.
Low profile:Thickness max. 1.8mm
Low loss realized with low DCR
Capable of corresponding high frequency (3MHz)
100% lead (Pb) free meet RoHS standard
Application
DC/DC converter for CPU in Notebook PC
Thin type on-board power supply module for exchanger
VRM for server
Outline Dimensions
A'
L
A
B
W
B'
H
T
Code
Dimensions (mm)
L
5.40 0.35
W
5.2 0.2
T
1.6 0.2
A
1.0 0.3
A’
1.5 0.1
B
2.0 0.3
B’
2.5 0.2
H
0 ~ +0.15
Recommend Land Pattern Dimensions
The customer shall determine the land dimensions shown below after confirming and safety.
B
A
C
A
2.5
B
2.2
C
5.99
Unit : mm
Jun., 2020
CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT : CMLB051H-000
REVISION
: A4
PAGE
: 2 OF 4
Specifications
L0
Inductance
( H )
@ (0A)
Typical
CMLB051H-R22MS
0.22
CMLB051H-R33MS
Heat Rating Current
DC Amps. Idc ( A )
Saturation Current
DC Amps. Isat ( A )
Maximum
Typical
Maximum
Typical
Maximum
4.0
4.8
19.0
17.0
21.5
19.0
0.33
5.7
6.8
16.0
15.0
19.1
17.1
CMLB051H-R47MS
0.47
7.6
8.5
11.0
10.0
16.0
15.5
CMLB051H-R68MS
0.68
12.0
13.8
9.0
8.0
13.0
11.2
CMLB051H-1R0MS
1.0
15.0
17.0
8.5
7.5
10.0
8.6
CMLB051H-1R5MS
1.5
23.0
28.0
6.2
5.5
9.0
7.2
CMLB051H-2R2MS
2.2
30.0
35.0
5.2
4.7
7.0
6.0
CMLB051H-3R3MS
3.3
45.0
52.0
4.7
4.5
5.5
4.8
CMLB051H-4R7MS
4.7
70.0
81.0
3.5
3.2
4.5
3.9
CMLB051H-6R8MS
6.8
103.0
125.0
2.9
2.6
3.6
3.4
CMLB051H-100MS
10.0
139.0
154.0
2.5
2.3
3.3
2.8
Part Number
Rdc ( m )
* : If you require another part number please contact with us.
**:Inductance Tolerance 20%
Note 1.: All test data is referenced to 25℃ ambient.
Note 2.: Test Condition:100KHz, 1.0Vrms
Note 3.: Idc : DC current (A) that will cause an approximate △T of 40℃
Note 4.: Isat : DC current (A) that will cause L0 to drop approximately 30%
Note 5.: Operating Temperature Range -55℃ to +125℃
Note 6.: The part temperature (ambient + temp rise) should not exceed 125℃ under the worst case operating
conditions. Circuit design, component placement, PCB trace size and thickness, airflow and other
cooling provision all affect the part temperature. Part temperature should be verified in the end
application.
Note 7.: The rated current as listed is either the saturation current or the heating current depending on which
value is lower.
Jun., 2020
CYNTEC CO., LTD.
乾坤科技股份有限公司
: A4
PAGE
: 3 OF 4
40
20
0.05
0
0.00
3
6
9
12
15
18
DC BIAS(Amps)
21
24
40
0.18
INDUCTANCE(μH)
0.09
TEMP. RISE (℃)
20
TEMP. RISE(℃)
60
0.27
0
2
4
1.20
6
8
10 12 14 16
DC BIAS(Amps)
18
20
22
3
6
9
12
15
18
DC BIAS(Amps)
21
24
27
CMLB051H-R68MS
0.84
100
0.70
80
0.56
60
INDUCTANCE(μH)
0.42
TEMP. RISE(℃)
40
0.28
20
0.14
0.00
0
0.00
0
0
80
0.36
20
0.07
100
0.45
40
0.00
27
CMLB051H-R47MS
0.54
TEMP RISE(℃)
0.14
INDUCTANCE(μH)
0
TEMP RISE(℃)
TEMP. RISE(℃)
60
INDUCTANCE(μH)
0.21
0
0
24
2
4
6
8
10
12
14
16
18
DC BIAS(Amps)
1.80
100
CMLB051H-1R0MS
100
CMLB051H-1R5MS
1.50
1.00
80
60
INDUCTANCE(μH)
0.40
40
TEMP. RISE(℃)
20
0.20
0.00
0
2
4
6
8
10
DC BIAS(Amps)
12
14
CMLB051H-2R2MS
3.00
2.50
2.00
4.20
40
1.00
INDUCTANCE(μH)
20
TEMP. RISE (℃)
0.00
0
0
1
2
3
4
5
6
DC BIAS(Amps)
7
8
9
10
40
TEMP. RISE(℃)
20
0.30
100
60
INDUCTANCE(μH)
0.60
0.00
1.50
60
0.90
0
0
0
1
2
3
4
5
6
DC BIAS(Amps)
7
8
9
10
CMLB051H-3R3MS
100
3.50
80
0.50
1.20
16
INDUCTANCE(μH)
0.60
INDUCTANCE(μH)
0.80
TEMP. RISE(℃)
80
TEMP. RISE(℃)
0.10
80
0.28
80
2.80
60
2.10
INDUCTANCE(μH)
1.40
TEMP. RISE (℃)
40
20
0.70
0.00
TEMP. RISE(℃)
INDUCTANCE(μH)
100
CMLB051H-R33MS
TEMP. RISE(℃)
0.35
INDUCTANCE(μH)
80
60
0.15
INDUCTANCE(μH)
0.42
TEMP. RISE(℃)
INDUCTANCE(μH)
0.20
100
TEMP. RISE(℃)
CMLB051H-R22MS
0.25
INDUCTANCE(μH)
REVISION
Current Characteristic
0.30
INDUCTANCE(μH)
DOCUMENT : CMLB051H-000
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
DC BIAS(Amps)
Jun., 2020
CYNTEC CO., LTD.
乾坤科技股份有限公司
80
7.50
60
3.00
INDUCTANCE(μH)
2.00
TEMP. RISE (℃)
40
20
1.00
0.00
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
CMLB051H-100MS
PAGE
: 4 OF 4
CMLB051H-6R8MS
100
80
6.00
60
4.50
40
3.00
INDUCTANCE(μH)
1.50
20
TEMP. RISE (℃)
0
0
1
2
3
4
DC BIAS(Amps)
5
6
100
10.0
80
8.0
60
6.0
40
4.0
INDUCTANCE(μH)
2.0
TEMP. RISE (℃)
20
0.0
TEMP. RISE(℃)
INDUCTANCE(μH)
: A4
0.00
5.5
DC BIAS(Amps)
12.0
REVISION
TEMP. RISE(℃)
4.00
9.00
INDUCTANCE(μH)
INDUCTANCE(μH)
5.00
100
TEMP. RISE(℃)
CMLB051H-4R7MS
6.00
DOCUMENT : CMLB051H-000
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
DC BIAS(Amps)
Jun., 2020
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