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
SQC321618 & SQC322520& SQC322520LT
SQC322517 & SQC322517HP
SQC453226
SQC575047
SMD Wire Wound Ferrite Chip Inductors - SQC Series
Dimensions in mm
TYPE
SQC321618
SQC322517
SQC322517HP
SQC322520
SQC322520LT
SQC453226
SQC575047
A
3.2 ± 0.3
3.2 ± 0.3
3.2 ± 0.3
3.2 ± 0.3
3.2 ± 0.3
4.5 ± 0.3
5.7 ± 0.3
B
1.6 ± 0.2
2.5 ± 0.2
2.5 ± 0.2
2.5 ± 0.2
2.5 ± 0.2
3.6 ± 0.2
5.0 ± 0.3
C
1.8 ± 0.2
1.55± 0.15
1.55± 0.15
2.0 ± 0.2
2.0 ± 0.2
2.6 ± 0.2
4.7 ± 0.3
D
-
2.5 ± 0.2
2.5 ± 0.2
-
-
3.2 ± 0.2
1.3 Min
E
-
2.5 ± 0.2
2.5 ± 0.2
-
-
3.2 ± 0.2
1.7 Min
F
-
0.9 ± 0.3
0.9 ± 0.3
-
-
3.2 ± 0.2
-
G
-
1.3 ± 0.2
1.3 ± 0.2
-
-
-
-
Recommended Pattern
SQC321618
SQC575047
Dimensions in mm
TYPE
SQC321618
A
1.5
B
4.5
C
1.75
D
1.0
Dimensions in mm
TYPE
SQC575047
A
8.0
B
3.0
C
2.0
D
3.5
SQC322517 & SQC322517HP
SQC322520 & SQC322520LT & SQC453226
Dimensions in mm
TYPE
SQC322517
SQC322517HP
A
5.5
5.5
B
1.0
1.0
C
1.3
1.3
D
1.0
1.0
E
2.0
2.0
Dimensions in mm
TYPE
SQC322520
SQC322520LT
SQC453226
A
5.5
5.5
7.5
B
1.0
1.0
1.5
C
1.3
1.3
1.5
D
1.0
1.0
1.5
E
2.0
2.0
3.0
SMD Wire Wound Ferrite Chip Inductors – SQC Series
Electrical Characteristics
Part Number
SQC321618T-R12□-N
SQC321618T-R22□-N
SQC321618T-R47□-N
SQC321618T-1R0□-N
SQC321618T-2R2□-N
SQC321618T-4R7□-N
SQC321618T-100□-N
SQC321618T-220□-N
SQC321618T-470□-N
SQC321618T-101□-N
Inductance
(uH)
0.12
0.22
0.47
1.0
2.2
4.7
10
22
47
100
Tolerance
(±%)
20
20
20
20
20
20 / 10
10 / 5
10 / 5
10 / 5
10 / 5
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
1
D.C. Resistance
(Ω) Max
0.112
0.140
0.210
0.364
0.533
0.845
1.690
3.900
10.40
15.60
SRF
(MHz) Min
250
250
180
100
50
31
20
14
10
7
Rated current
(mA)
970
850
700
510
430
340
230
160
100
80
When ordering, please specify tolerance and packaging codes
Rated Current: Self temperature rise shall be limited to 35
℃
Max. Inductance drop 10% typ.
Tolerance : J = ±5% , K = ±10% ,
M = ±20%
(Including self - temperature rise )
Operating temp:
－２５℃½１２５℃
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
Test Equipment: L: HP4192A. LF Impedance Analyzer
SRF: HP4291A RF Impedance Analyzer
DCR: CH502BC
Electrical Characteristics
Part Number
Inductance
(uH)
2.2
3.3
6.8
10
22
100
Tolerance
(±%)
20
20
20
10,20
10,20
10,20
Test
Frequency
(MHz)
1
1
1
1
1
1
D.C. Resistance
(Ω±30%)
0.097
0.12
0.25
0.30
0.71
3.50
SRF
(MHz) Min
64
50
32
26
19
10
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
When ordering, please specify tolerance and packaging codes
Rated Current: Inductance drop 10% typ.
Tolerance : K = ±10% ,
M = ±20%
(Including self - temperature rise )
Operating temp:
－２５℃½１２５℃
Test Equipment: L: HP4284A
SRF: HP4287A
DCR: CH502BC
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
SMD Wire Wound Ferrite Chip Inductors – SQC Series
Electrical Characteristics
Part Number
Inductance
(uH)
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10
22
Tolerance
(±%)
30
30
30
30
30
30
30
30
30
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
D.C. Resistance
(Ω±20%)
0.030
0.045
0.057
0.076
0.120
0.180
0.240
0.380
0.810
SRF
(MHz) Min
100
100
70
70
50
40
40
30
20
Rated current
(mA)
3400
2300
1750
1550
1250
1000
850
750
500
Irms
(mA)
2550
2050
1750
1600
1200
1000
850
700
450
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-220□-N
When ordering, please specify tolerance and packaging codes
Rated Current: Self temperature rise shall be limited to 40
℃
Max. Inductance drop 30% typ.
Tolerance : T = ±30%
Operating temp:
－２５℃½１２５℃
Test Equipment: L: HP4284A
SRF: HP4291A RF Impedance Analyzer
DCR: CH502BC
(Including self - temperature rise )
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
Electrical Characteristics
Part Number
Inductance
(uH)
1.0
2.2
4.7
10
22
47
100
220
330
390
470
560
Tolerance
(±%)
20
20
20
20
20 / 10
20 / 10
20 / 10
20 / 10
20 / 10
20 / 10
20 / 10
20 / 10
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
1
0.001
0.001
D.C. Resistance
(Ω±30%)
0.09
0.13
0.20
0.44
0.71
1.30
3.50
8.40
10.0
17.0
19.0
22.0
SRF
(MHz) Min
96
64
43
26
19
15
10
6.8
5.6
5.0
5.0
5.0
Rated current
(mA)
1000
600
450
300
250
170
100
70
60
60
60
60
SQC322520T-1R0□-N
SQC322520T-2R2□-N
SQC322520T4R7□-N
SQC322520T-100□-N
SQC322520T-220□-N
SQC322520T-470□-N
SQC322520T-101□-N
SQC322520T-221□-N
SQC322520T-331□-N
SQC322520T-391□-N
SQC322520T-471□-N
SQC322520T-561□-N
When ordering, please specify tolerance and packaging codes
Rated Current: Self temperature rise shall be limited to 35
℃
Max. Inductance drop 10% typ.
Tolerance : K = ±10% ,
M = ±20%
(Including self - temperature rise )
Operating temp:
－２５℃½１２５℃
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
Test Equipment: L: HP4192A. LF Impedance Analyzer
SRF: HP4291A RF Impedance Analyzer
DCR: CH502BC
SMD Wire Wound Ferrite Chip Inductors – SQC Series
Electrical Characteristics (LOW DCR Type)
Part Number
Inductance
(uH)
0.15
0.27
0.47
1.0
2.2
4.7
10
Tolerance
(±%)
20
20
20
20
20
20
20 / 10
Test
Frequency
(MHz)
1
1
1
1
1
1
1
D.C. Resistance
(Ω±30%)
0.028
0.034
0.042
0.060
0.097
0.15
0.30
SRF
(MHz) Min
400
250
150
100
64
43
26
Rated current
(mA)
1450
1250
1100
1000
790
650
450
SQC322520LT-R15□-N
SQC322520LT-R27□-N
SQC322520LT-R47□-N
SQC322520LT-1R0□-N
SQC322520LT-2R2□-N
SQC322520LT-4R7□-N
SQC322520LT-100□-N
When ordering, please specify tolerance and packaging codes
Rated Current: Self temperature rise shall be limited to 35
℃
Max. Inductance drop 10% typ.
Tolerance : K = ±10% ,
M = ±20%
(Including self - temperature rise )
Operating temp:
－２５℃½１２５℃
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
Test Equipment: L: HP4192A. LF Impedance Analyzer
SRF: HP4291A RF Impedance Analyzer
DCR: CH502BC
Electrical Characteristics
Part Number
SQC453226T-1R0□-N
SQC453226T-1R5□-N
SQC453226T-2R2□-N
SQC453226T-3R3□-N
SQC453226T-4R7□-N
SQC453226T-6R8□-N
SQC453226T-100□-N
SQC453226T-150□-N
SQC453226T-220□-N
SQC453226T-330□-N
SQC453226T-470□-N
SQC453226T-680□-N
SQC453226T-101□-N
SQC453226T-151□-N
SQC453226T-221□-N
SQC453226T-331□-N
SQC453226T-471□-N
Inductance
(uH)
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
Tolerance
(±%)
20
20
20
20
10 / 20
10 / 20
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
5 / 10
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.001
D.C. Resistance
(Ω) Max
0.08
0.09
0.11
0.13
0.15
0.20
0.24
0.32
0.60
1.0
1.1
1.7
2.2
3.5
4.0
6.8
8.5
SRF
(MHz) Min
100
85
60
47
35
30
23
20
15
12
10
8.4
6.8
5.5
4.5
3.6
3.0
Rated current
(mA)
1080
1000
900
800
750
720
650
570
420
310
280
220
190
130
110
100
90
When ordering, please specify tolerance and packaging codes
Rated Current: Self temperature rise shall be limited to 35
℃
Max. Inductance drop 10% typ.
Tolerance : J = ±5% , K = ±10% ,
M = ±20%
(Including self - temperature rise )
Operating temp:
－２５℃½１２５℃
Soldering Heat: 260
℃
10 seconds after 150
℃
preheat cycle for 4 minutes
Test Equipment: L: HP4192A. LF Impedance Analyzer
SRF: HP4291A RF Impedance Analyzer
DCR: CH502BC
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