SMD Wire Wound Ceramic Chip Inductors - CT Series
CT Series
Due to accurate wire winding technology, these chip inductors are
designed for filtering, impedance matching, resonance and choke
circuits for RF designer. Both standard series custom designs are
available.
Features
RoHS compliant.
Ceramic body and wire wound construction provide highest SRFs
Exceptional Q values even at high frequencies
Highest possible SRFs as well as excellent Q values
The non-magnetic coil form assures utmost thermal stability,
predictability and batch consistency
Applications
RF products for cellular phone
GPS receiver
Base Station
Repeater
Wireless LAN/ mouse/ keyboard/ earphone
Remote control
Security system and other RF modules
Product Identification
Shape and Dimensions/ Recommended Pattern
CT0603
CT0805
Dimensions
A
CT0603
mm
1.6
+0.2-0.1
B
0.9±0.1
C
0.55±0.05
D
0.25
E
0.76
F
0.30
G
0.92
H
1.02
I
0.64
J
0.64
A Max
CT0805
inch
mm
0.093
2.35
B Max
0.068
1.73
C Max
0.039
1.10
D
0.020
0.51
E
0.050
1.27
F
0.020
0.51
G
0.040
1.02
H
0.070
1.78
I
0.040
1.02
J
0.030
0.76
SMD Wire Wound Ceramic Chip Inductors – CT Series
Electrical Characteristics
Part Number
CT0603-1N0□-N
CT0603-1N2□-N
CT0603-2N0□-N
CT0603-2N2□-N
CT0603-2N3□-N
CT0603-2N5□-N
CT0603-3N0□-N
CT0603-3N3□-N
CT0603-3N6□-N
CT0603-3N9□-N
CT0603-4N3□-N
CT0603-4N7□-N
CT0603-5N1□-N
CT0603-5N6□-N
CT0603-6N8□-N
CT0603-7N2□-N
CT0603-8N2□-N
CT0603-9N5□-N
CT0603-10N□-N
CT0603-11N□-N
CT0603-12N□-N
CT0603-15N□-N
CT0603-16N□-N
CT0603-18N□-N
CT0603-20N□-N
CT0603-22N□-N
CT0603-24N□-N
CT0603-27N□-N
CT0603-30N□-N
CT0603-33N□-N
CT0603-36N□-N
CT0603-39N□-N
CT0603-43N□-N
CT0603-47N□-N
CT0603-51N□-N
CT0603-56N□-N
Inductance
(nH)
1.0
1.2
2.0
2.2
2.3
2.5
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.8
7.2
8.2
9.5
10
11
12
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
Tolerance
(±%)
10
10
5,10
5,10
5,10
5,10
5,10
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
Test
Frequency
(MHz)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Q
Min
13
12
21
21
25
20
25
26
28
26
22
22
24
27
24
29
27
27
27
26
28
26
26
26
28
28
29
27
27
27
28
28
27
27
26
26
Test
Frequency
(MHz)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
SRF
(MHz) Min
16000
16000
12000
10700
11000
11000
10700
7000
7000
6300
6300
5600
5500
5050
4500
4500
4250
3950
3950
4000
3500
3300
3100
2950
2900
2750
2700
2550
2450
2200
2300
2250
2100
1900
1850
1750
RDC
(Ω) Max
0.045
0.105
0.034
0.046
0.046
0.060
0.039
0.039
0.044
0.050
0.076
0.120
0.050
0.058
0.080
0.047
0.075
0.092
0.075
0.110
0.130
0.145
0.175
0.200
0.175
0.220
0.240
0.270
0.330
0.330
0.335
0.400
0.440
0.540
0.570
0.700
Irms
(mA) Max
1600
1100
1900
1600
1600
1300
1600
1600
1600
1400
1300
960
1400
1300
1200
1500
1300
1100
1300
1000
920
800
760
720
760
700
680
670
600
600
600
570
530
470
440
420
Note: When ordering, please specify tolerance code. Tolerance : G=±2% , H=±3% , J=±5% , K=±10%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Irms for a 15℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L & Q：Agilent E4991A+Agilent HP16197A
SRF：Agilent/HP8753D/Agilent E4991A
RDC: HP4338B or CHEN HWA 502
Irms：HP4284A+HP42841A/HP4285A+HP42841A
Test Instruments：Agilent
E4991A Material/Impedance Analyzer
Typical L
vs.
Frequency
Typical Q
vs.
Frequency
SMD Wire Wound Ceramic Chip Inductors – CT Series
Electrical Characteristics
Part Number
CT0805-1N8-S
CT0805-3N9-S
CT0805-4N7-S
CT0805-6N8-S
CT0805-8N2-S
CT0805-10N-S
CT0805-12N-S
CT0805-15N-S
CT0805-18N-S
CT0805-22N-S
CT0805-27N-S
CT0805-33N-S
CT0805-39N-S
CT0805-47N-S
CT0805-56N-S
CT0805-68N-S
CT0805-82N-S
CT0805-R10-S
CT0805-R12-S
CT0805-R15-S
CT0805-R18-S
CT0805-R22-S
CT0805-R27-S
CT0805-R33-S
CT0805-R39-S
CT0805-R47-S
CT0805-R56-S
CT0805-R62-S
CT0805-R68-S
CT0805-R75-S
CT0805-R82-S
CT0805-1R0-S
Inductance
(nH)
1.8
3.9
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
620
680
750
820
1000
Tolerance
(±%)
10
10
10 / 5
10 / 5
10 / 5
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5 / 2
10 / 5
Test
Frequency
(MHz)
250
250
250
250
250
250
250
250
250
250
250
250
250
200
200
200
150
150
150
150
150
150
150
100
100
50
25
25
25
25
25
25
Q
Min
55
50
50
50
50
55
55
50
50
50
50
55
55
50
50
50
50
50
40
40
40
40
40
40
35
25
18
18
18
18
18
17
Test
Frequency
(MHz)
1500
1000
1000
1000
1000
750
750
500
500
500
500
500
500
500
500
500
500
500
250
250
250
250
250
250
250
100
50
50
50
50
50
50
SRF
(MHz) Min
9400
6100
5500
5500
4800
3300
3800
2950
3100
2900
2450
2350
2200
2000
1850
1500
1500
1200
1150
1050
950
900
850
800
700
600
550
450
420
400
400
330
RDC
(Ω) Max
0.03
0.06
0.06
0.08
0.08
0.08
0.10
0.10
0.13
0.15
0.23
0.28
0.33
0.39
0.39
0.40
0.44
0.64
0.68
0.80
0.90
0.98
1.30
1.45
1.60
1.80
1.90
2.00
2.10
2.20
2.50
3.10
Irms
(mA) Max
800
800
800
800
800
800
800
800
800
800
600
600
600
600
500
500
500
400
300
300
300
300
300
300
300
300
300
300
300
300
300
300
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Note: When ordering, please specify tolerance code. Tolerance : G=±2% , J=±5% , K=±10%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Irms for a 15℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L & Q：Agilent E4991A+Agilent HP16197A
SRF：Agilent/HP8753D/Agilent E4991A
RDC：CHEN HWA 502
Irms：HP4284A+HP42841A/HP4285A+HP42841A
RDC: HP4338B or CHEN HWA 502
Test Instruments：Agilent
E4991A Material/Impedance Analyzer
Typical L
vs.
Frequency
Typical Q
vs.
Frequency
SMD Wire Wound Ceramic Chip Inductors - CT Series
Packaging Specifications
Tape Dimensions
Figure 1
Tape Material
Figure 2
Reel Dimensions
Dimensions in mm
TYPE
CT0603
CT0805
Fig.
A
1
2
1.05
1.85
B
1.80
2.45
Tape Dimensions
T
0.75
0.23
W
8
8
P
4
4
F
3.5
3.5
K
0.60
1.10
A
178
178
Reel Dimensions
B
60
60
C
12
12
D
1.5
1.5
Quantity
PCS / Reel
4000
2000
stm32/stm8
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