Cautions and Warnings
Please be noted that this spec is only for reference if you have projects
designed with the product number listed in. If you are looking for new
project design-in, please find BWMR Series specification/datasheet on
Chilisin website. Or you may find our sales contact for more information on
old part number at your convenience. Appreciated your attention and
understanding.
Note:
Please be sure to request approval specifications that provide further details of the products.
Kindly note that the content of these specifications are subject to change or may be discontinued
without prior notice. This product may not be designed/used in medical or high risk applications
without Chilisin approval. Please contact our sales department before ordering.
Sealed Power Inductors - MRSC Series
MRSC Series
MRSC series, metal alloy wire wound power inductor, its rated current
could be increased up to 35% compare to ferrite base power inductor.
Features
RoHS, Halogen Free and REACH Compliance
Constructure Low RDC and high rated current.
Wide inductance range
Shielded and miniature package design
Applications
Smartphones, tablets and wearable devices
DSC, camcorders
DC/DC converters
Product Identification
Shape and Dimensions
Recommended Pattern
Dimensions in mm
TYPE
MRSC201B10
MRSC201B12
MRSC252A10
MRSC252A12
A
2.0±0.2
2.0±0.2
2.5±0.2
2.5±0.2
B
1.6±0.2
1.6±0.2
2.0±0.2
2.0±0.2
C
1.0 Max
1.2 Max
1.0 Max
1.2 Max
D
0.65
0.50
0.85
0.85
H
1.7
1.7
2.1
2.1
I
0.7
0.6
0.9
0.9
J
0.7
0.9
0.8
0.8
Sealed Power Inductors - MRSC Series
Electrical Characteristics
Inductance
(uH)
4.7
6.8
10
22
Test
Frequency
(MHz)
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
SRF
(MHz) Min
25
19
15
9
RDC(mΩ)
(Max) Typ
370(308)
526(438)
768(640)
1560(1300)
Isat (A)
(Max) Typ
1.00(1.20)
0.86(0.96)
0.70(0.78)
0.49(0.55)
Irms (A)
(Max) Typ
0.86(0.96)
0.73(0.82)
0.64(0.72)
0.40(0.45)
Part Number
MRSC201B10-4R7□-N
MRSC201B10-6R8□-N
MRSC201B10-100□-N
MRSC201B10-220□-N
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T =±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L：Agilent 4285A+Agilent 42841A, or equivalent,1MHz
Isat & Irms：Agilent/HP4285A+Agilent 42841A
SRF：HP4294A+16092A
200mV
RDC：DIGITAL MILLINHM METER CHROMA 16502, or equivalent
Test Instruments：HP4285A
Material/Impedance Analyzer
Inductance vs. DC Current
25
80
70
20
60
100
6R8
4R7
220
Tem perature Change vs. DC Current
220
10
100
5
6R8
4R7
0
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
△
T(
℃
)
L(uH)
15
50
40
30
20
10
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
DC Current(A)
DC Current(A)
Please be sure to request approval specifications that provide further details of the products. Kindly note that the content of these
specifications are subject to change or may be discontinued without prior notice. This product may not be designed/used in
medical or high risk applications without Chilisin approval. Please contact our sales department before ordering.
Sealed Power Inductors - MRSC Series
Electrical Characteristics
Inductance
(uH)
4.7
6.8
10
22
Test
Frequency
(MHz)
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
SRF
(MHz) Min
26
20
16
10
RDC(mΩ)
(Max) Typ
324(270)
456(380)
720(600)
1500(1250)
Isat (A)
(Max) Typ
1.20(1.40)
1.00(1.20)
0.85(0.95)
0.57(0.64)
Irms (A)
(Max) Typ
1.00(1.20)
0.78(0.92)
0.65(0.73)
0.41(0.46)
Part Number
MRSC201B12-4R7□-N
MRSC201B12-6R8□-N
MRSC201B12-100□-N
MRSC201B12-220□-N
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T =±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L：Agilent 4285A+Agilent 42841A, or equivalent,1MHz
Isat & Irms：Agilent/HP4285A+Agilent 42841A
SRF：HP4294A+16092A
200mV
RDC：DIGITAL MILLINHM METER CHROMA 16502, or equivalent
Test Instruments：HP4285A
Material/Impedance Analyzer
Inductance vs. DC Current
25
90
80
20
70
60
220
220
100
6R8
4R7
Tem perature Change vs. DC Current
△
T(
℃
)
100
6R8
4R7
1
1.2
1.4
1.6
1.8
2
2.2
2.4
L(uH)
15
50
40
30
10
5
20
10
0
0
0.2
0.4
0.6
0.8
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
DC Current(A)
DC Current(A)
Please be sure to request approval specifications that provide further details of the products. Kindly note that the content of these
specifications are subject to change or may be discontinued without prior notice. This product may not be designed/used in
medical or high risk applications without Chilisin approval. Please contact our sales department before ordering.
Sealed Power Inductors - MRSC Series
Electrical Characteristics
Inductance
(uH)
4.7
6.8
10
22
Test
Frequency
(MHz)
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
SRF
(MHz) Min
19
15
12
8
RDC(mΩ)
(Max) Typ
264(220)
396(330)
500(435)
1260(1050)
Isat (A)
(Max) Typ
1.30(1.40)
1.00(1.10)
0.90(1.00)
0.56(0.63)
Irms (A)
(Max) Typ
1.10(1.20)
0.90(1.00)
0.80(0.90)
0.45(0.50)
Part Number
MRSC252A10-4R7□-N
MRSC252A10-6R8□-N
MRSC252A10-100□-N
MRSC252A10-220□-N
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T =±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L：Agilent 4285A+Agilent 42841A, or equivalent,1MHz
Isat & Irms：Agilent/HP4285A+Agilent 42841A
SRF：HP4294A+16092A
200mV
RDC：DIGITAL MILLINHM METER CHROMA 16502, or equivalent
Test Instruments：HP4285A
Material/Impedance Analyzer
Inductance vs. DC Current
25
80
70
20
60
220
100
6R8
4R7
Tem perature Change vs. DC Current
220
△
T(
℃
)
100
6R8
4R7
1
1.2
1.4
1.6
1.8
2
2.2
2.4
L(uH)
15
50
40
30
20
10
0
0.0
10
5
0
0
0.2
0.4
0.6
0.8
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
DC Current(A)
DC Current(A)
Please be sure to request approval specifications that provide further details of the products. Kindly note that the content of these
specifications are subject to change or may be discontinued without prior notice. This product may not be designed/used in
medical or high risk applications without Chilisin approval. Please contact our sales department before ordering.
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