CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT
: SDEM25201T-000
REVISION
: A6
PAGE
: 1 OF 4
Sealed Choke Coil SDEM25201T type
Features
:
Low profile 2.5 mm x 2.0 mm x 1.0 mm
High performance (Isat) realized by metal dust core.
Low loss realized with low DCR
High magnetic shield construction should actualize high resolution for EMC protection.
100% lead (Pb) free meet RoHS standard
Application
DC/DC converter for CPU in Notebook PC
Cellular phones, LCD displays, HDDs, DVCs, DSCs, PDAs etc..
VRM for server
Outline Dimensions
W
Code
L
Dimensions(mm)
L
2.0 ± 0.2
W
2.5 ± 0.2
T
1.0 Max.
T
:
Note This graph is in regard to outline dimensions spec. For outer appearance, please refer to actual product.
Recommend Land Pattern Dimensions
The customer shall determine the land dimensions shown below after confirming and safety.
B
A
C
A
2.1
B
0.8
C
2.6
Unit : mm
Mar., 2017
CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT
: SDEM25201T-000
REVISION
: A6
PAGE
: 2 OF 4
Specifications
L0
Inductance
( µH )
@ (0A)
Typical
SDEM25201T-R24MS
0.24
SDEM25201T-R33MS
Heat Rating Current
DC Amps. Idc ( A )
Saturation Current
DC Amps. Isat ( A )
Maximum
Typical
Maximum
Typical
Maximum
19
23
4.60
4.30
7.00
6.30
0.33
24
29
4.50
4.20
6.50
5.85
SDEM25201T-R47MS
0.47
29
35
4.00
3.60
5.50
5.00
SDEM25201T-R68MS
0.68
39
47
3.55
3.20
4.20
3.78
SDEM25201T-1R0MS
1.0
52
62
3.30
3.00
4.00
3.60
SDEM25201T-1R5MS
1.5
84
100
2.50
2.20
3.10
2.80
SDEM25201T-2R2MS
2.2
95
115
2.15
1.97
2.60
2.30
SDEM25201T-3R3MS
3.3
180
216
1.70
1.53
1.80
1.62
SDEM25201T-4R7MS
4.7
215
258
1.60
1.45
1.70
1.55
SDEM25201T-6R8MS
6.8
350
420
1.10
1.00
1.35
1.22
SDEM25201T-100MS
10.0
574
689
0.95
0.85
1.20
1.10
SDEM25201T-150MS
15.0
925
1,110
0.58
0.52
0.80
0.72
SDEM25201T-220MS
22.0
1,000
1,200
0.50
0.45
0.66
0.60
Part Number
Rdc ( mΩ)
:
**:Inductance Tolerance ± 20%
Note 1.: All test data is referenced to 25℃ ambient.
Note 2.: Test Condition:1MHz, 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
* If you require another part number please contact with us.
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.
Mar., 2017
CYNTEC CO., LTD.
乾坤科技股份有限公司
PAGE
: 3 OF 4
TEMP. RISE (
20
℃)
0.00
0
2
3
4
5
6
7
DC BIAS(Amps)
8
9
SDEM25201T-R47MS
0.60
0.50
0.30
TEMP. RISE(
℃
0
2
3
4
5
DC BIAS(Amps)
6
7
SDEM25201T-1R0MS
1.20
1.00
0.60
TEMP. RISE(
℃)
0.00
℃
1.0
1.5
2.0 2.5 3.0 3.5
DC BIAS(Amps)
4.0
4.5
SDEM25201T-2R2MS
2.70
2.25
INDUCTANCE(µH)
1.35
TEMP. RISE(
℃)
0.00
0
0.0
0.4
0.8
1.2
1.6
2.0
2.4
DC BIAS(Amps)
2.8
3.2
3.6
1.8
2.4 3.0 3.6 4.2
DC BIAS(Amps)
4.8
5.4
6.0
SDEM25201T-1R5MS
100
80
60
INDUCTANCE(µH)
TEMP. RISE(
℃)
40
℃
℃
20
0.00
3.50
20
0.45
1.2
0.60
80
0.90
0.6
0.90
4.20
40
40
1.20
100
60
℃)
℃
0
0
0.0
1.80
60
20
5.0
INDUCTANCE(µH)
0.5
100
0.30
0
0.0
9
0.00
20
0.20
8
0.14
1.50
40
7
INDUCTANCE(µH)
TEMP. RISE(
80
0.40
4
5
6
DC BIAS(Amps)
0.28
1.80
60
INDUCTANCE(µH)
3
80
0.0
0.80
2
SDEM25201T-R68MS
0.42
100
℃
0
1
0.56
8
INDUCTANCE(µH)
1
TEMP. RISE( )
0
15
0.70
20
0.00
45
0.07
80
0.20
℃)
30
0.84
40
0.10
TEMP. RISE(
0.14
100
60
℃)
0.21
0
0.40
INDUCTANCE(µH)
60
INDUCTANCE(µH)
0.00
10
INDUCTANCE(µH)
1
TEMP. RISE( )
0
0.28
TEMP. RISE ( )
INDUCTANCE(µH)
0.05
75
TEMP. RISE( )
40
0.10
℃
TEMP. RISE( )
0.15
90
0.35
INDUCTANCE(µH)
80
60
SDEM25201T-R33MS
0.42
TEMP. RISE( )
INDUCTANCE(uH)
: A6
TEMP. RISE( )
100
0.20
INDUCTANCE(µH)
REVISION
0.4
0.8
1.2
1.6 2.0 2.4 2.8
DC BIAS(Amps)
3.2
3.6
4.0
SDEM25201T-3R3MS
100
80
2.80
60
2.10
INDUCTANCE(µH)
1.40
TEMP. RISE(
℃)
40
20
0.70
0.00
0
0.0
0.3
0.6
0.9
1.2
1.5
1.8
DC BIAS(Amps)
2.1
2.4
2.7
Mar., 2017
℃
TEMP. RISE( )
SDEM25201T-R24MS
0.25
INDUCTANCE(µH)
: SDEM25201T-000
Current Characteristic
0.30
INDUCTANCE(µH)
DOCUMENT
3.00
INDUCTANCE(µH)
TEMP. RISE(
2.00
℃)
40
℃
20
1.00
1.2
1.5
DC BIAS(Amps)
1.8
2.1
SDEM25201T-100MS
12.0
10.0
INDUCTANCE(µH)
2.0
TEMP. RISE(
℃)
℃
0.5
0.8
1.0
1.3
DC BIAS(Amps)
1.5
1.8
0.6
0.8
1.0 1.2 1.4 1.6
DC BIAS(Amps)
1.8
2.0
2.2
80
SDEM25201T-150MS
70
60
50
INDUCTANCE(µH)
TEMP. RISE(
℃)
40
30
6.0
20
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
DC BIAS(Amps)
80
18.0
60
INDUCTANCE(µH)
TEMP. RISE(
0.4
100
22.5
13.5
0
0.2
12.0
9.0
℃)
40
9.0
℃
20
4.5
0.0
0
0.0 0.1
0.2
0.3
0.4
0.5 0.6 0.7 0.8
DC BIAS(Amps)
0.9
1.0
1.1
℃
20
℃)
0.0
2.0
SDEM25201T-220MS
27.0
TEMP. RISE (
3.0
0
0.3
INDUCTANCE(µH)
1.50
15.0
20
0.0
0.0
40
3.00
80
40
4.0
80
4.50
18.0
6.0
100
60
100
60
: 4 OF 4
SDEM25201T-6R8MS
0.0
8.0
PAGE
6.00
2.4
INDUCTANCE(µH)
0.9
TEMP. RISE( )
0.6
: A6
0.00
0
0.3
REVISION
1.2
Mar., 2017
℃
TEMP. RISE( )
7.50
60
0.0
INDUCTANCE(µH)
80
4.00
0.00
INDUCTANCE(µH)
9.00
: SDEM25201T-000
TEMP. RISE( )
INDUCTANCE(µH)
5.00
100
INDUCTANCE(uH)
SDEM25201T-4R7MS
TEMP. RISE( )
6.00
DOCUMENT
TEMP. RISE( )
CYNTEC CO., LTD.
乾坤科技股份有限公司
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