Sealed Power Inductors - BWMR Series
BWMR Series
BWMR 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
BWMR00201610
BWMR00201612
BWMR00252010
BWMR00252012
BWMR00302712
A
2.0±0.2
2.0±0.2
2.5±0.2
2.5±0.2
3.0±0.2
B
1.6±0.2
1.6±0.2
2.0±0.2
2.0±0.2
2.7±0.2
C
1.0 Max
1.2 Max
1.0 Max
1.2 Max
1.2 Max
D
0.65
0.50
0.85
0.85
1.00
H
1.7
1.7
2.1
2.1
2.9
I
0.7
0.6
0.9
0.9
1.1
J
0.7
0.9
0.8
0.8
1.0
Sealed Power Inductors - BWMR 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
BWMR002016104R7□00
BWMR002016106R8□00
BWMR00201610100□00
BWMR00201610220□00
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 - BWMR 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
BWMR00201612-4R7□00
BWMR00201612-6R8□00
BWMR00201612-100□00
BWMR00201612-220□00
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 - BWMR Series
Electrical Characteristics
Inductance
(uH)
1.5
2.2
3.3
4.7
6.8
10
22
Test
Frequency
(MHz)
1
1
1
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
SRF
(MHz) Min
40
31
24
19
15
12
8
RDC(mΩ)
(Max) Typ
111.6(93)
145(121)
198(165)
264(220)
396(330)
500(435)
1260(1050)
Isat (A)
(Max) Typ
2.20(2.80)
1.90(2.30)
1.40(1.60)
1.30(1.40)
1.00(1.10)
0.90(1.00)
0.56(0.63)
Irms (A)
(Max) Typ
1.80(1.95)
1.70(1.90)
1.20(1.40)
1.10(1.20)
0.90(1.00)
0.80(0.90)
0.45(0.50)
Part Number
BWMR002520101R5□00
BWMR002520102R2□00
BWMR002520103R3□00
BWMR002520104R7□00
BWMR002520106R8□00
BWMR00252010100□00
BWMR00252010220□00
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
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 - BWMR Series
Electrical Characteristics
Inductance
(uH)
2.2
3.3
4.7
6.8
10
22
Test
Frequency
(MHz)
1
1
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
SRF
(MHz) Min
32
25
23
16
14
8
RDC(mΩ)
(Max) Typ
110(92)
186(155)
240(200)
345(285)
480(400)
1090(910)
Isat (A)
(Max) Typ
2.40(2.70)
1.80(2.10)
1.70(1.90)
1.30(1.60)
1.00(1.30)
0.74(0.83)
Irms (A)
(Max) Typ
1.90(2.20)
1.45(1.65)
1.30(1.50)
1.00(1.20)
0.85(1.00)
0.54(0.60)
Part Number
BWMR002520122R2□00
BWMR002520123R3□00
BWMR002520124R7□00
BWMR002520126R8□00
BWMR00252012100□00
BWMR00252012220□00
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
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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