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 BWQC 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.
SMD Wire Wound Ferrite Chip Inductors - SQC Series
SQC Series
The SQC Series is a type of miniature wire-wound chip inductor
designed on a special ferrite core. They are excellent for use in DC
power supply circuits.
Features
RoHS compliant
Low DC resistance, high current capacity, and high impedance
characteristics
Excellent solder heat resistance
Both flow and reflow soldering methods can be employed
Available in 4 sizes
Applications
Personal computers
Disk drives and computer peripherals
Pagers, cordless phone
DC power supply circuit
Product Identification
Packaging: T：Tape and Reel
Packaging: T：Tape and Reel
Shape and Dimensions
SQC322520 & SQC322520LT
SQC322517 & SQC322517HP
SQC453226
Dimensions in mm
TYPE
SQC322517
SQC322517HP
SQC322520
SQC322520LT
SQC453226
A
3.2 ± 0.3
3.2 ± 0.3
3.2 ± 0.3
3.2 ± 0.3
4.5 ± 0.3
B
2.5 ± 0.2
2.5 ± 0.2
2.5 ± 0.2
2.5 ± 0.2
3.6 ± 0.2
C
1.55± 0.15
1.55± 0.15
2.0 ± 0.2
2.0 ± 0.2
2.6 ± 0.2
D
2.5 ± 0.2
2.5 ± 0.2
-
-
3.2 ± 0.2
E
2.5 ± 0.2
2.5 ± 0.2
-
-
3.2 ± 0.2
F
0.9 ± 0.3
0.95 ± 0.3
-
-
3.2 ± 0.2
G
1.3 ± 0.2
1.2 ± 0.2
-
-
-
SMD Wire Wound Ferrite Chip Inductors - SQC Series
Recommended Pattern
SQC322517 & SQC322517HP
SQC322520 & SQC322520LT & SQC453226
Dimensions in mm
TYPE
SQC322517
SQC322517HP
SQC322520
SQC322520LT
SQC453226
A
5.5
5.5
5.5
5.5
7.5
B
1.0
1.0
1.0
1.0
1.5
C
1.3
1.3
1.3
1.3
1.5
D
1.0
1.0
1.0
1.0
1.5
E
2.0
2.0
2.0
2.0
3.0
SMD Wire Wound Ferrite Chip Inductors – SQC Series
Electrical Characteristics
Part Number
Inductance
(uH)
2.2
3.3
6.8
10
22
100
Tolerance
(±%)
20
20
20
20 / 10
20 / 10
20 / 10
Test
Frequency
(MHz)
1
1
1
1
1
1
SRF
(MHz) Min
64
50
32
26
19
10
RDC
(Ω±30%)
0.097
0.12
0.25
0.30
0.71
3.50
Rated current
(mA)
790
710
540
350
250
100
SQC322517T-2R2□-N
SQC322517T-3R3□-N
SQC322517T-6R8□-N
SQC322517T-100□-N
SQC322517T-220□-N
SQC322517T-101□-N
Note: When ordering, please specify tolerance code. Tolerance : K=±10% , M=±20%
Operating temperature range－25℃½125℃(Including self - temperature rise)
Rated Current for Inductance drop 10% from its value with current
Measure Equipment：
L：Agilent HP4192A
SRF：Agilent HP4287A
RDC：Chroma 16502
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.
SMD Wire Wound Ferrite Chip Inductors – LS Series
Electrical Characteristics
Part Number
Inductance
(uH)
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
Tolerance
(±%)
30
30
30
30 / 20
30 / 20
30 / 20
30 / 20
30 / 20
30 / 20
30 / 20
30 / 20
30 / 20
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
1
1
1
SRF
(MHz) Min
100
100
70
70
50
40
40
30
25
20
14
11
RDC
(Ω±20%)
0.030
0.045
0.057
0.076
0.120
0.180
0.240
0.380
0.700
0.810
1.050
1.480
Rated current
(mA)
3400
2300
1750
1550
1250
1000
850
750
550
500
360
280
Irms
(mA)
2550
2050
1750
1600
1200
1000
850
700
500
450
320
240
SQC322517HP-R47□-N
SQC322517HP-1R0□-N
SQC322517HP-1R5□-N
SQC322517HP-2R2□-N
SQC322517HP-3R3□-N
SQC322517HP-4R7□-N
SQC322517HP-6R8□-N
SQC322517HP-100□-N
SQC322517HP-150□-N
SQC322517HP-220□-N
SQC322517HP-330□-N
SQC322517HP-470□-N
Note: When ordering, please specify tolerance code. Tolerance : M=±20% , T=±30%
Operating temperature range－25℃½125℃(Including self - temperature rise)
Rated Current：Self temperature rise shall be limited to 40℃ Max Inductance drop 30% typ.
Measure Equipment：
L：Agilent HP4192A
SRF：Agilent HP4291A
RDC：Chroma 16502
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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