®
CHIP INDUCTORS
GENERAL
Coiltronics 1210 Series Chip Inductors are ideally suited
for signal and moderate power circuit SMT applications.
Both the CTX32 and CTX32C Product Families are
designed to provide superior reliability due to their rugged
ceramic case construction. Precise manufacturing
processes provide mechanically sound devices which
maintain tolerance specifications. The devices are
supplied in 8 mm tape and reel packaging which facilities
automatic assembly insertion.
Coiltronics designs and manufactures many standard and
custom electro-magnetic components. Contact the factory
or your nearest Coiltronics representative or distributor
with your transformer and inductor requirements.
• Operating Temperature Range: -25°C to +85°C
• Storage Temperature Range: -40°C to +125°C
• Resistance to Soldering: Can withstand +260°C for up
to 10 seconds
• Resistance to Solvents: Conforms to MIL-STD-202E
• Coefficient of Expansion: 6.7 x 10
-6
ppm/°C (typical)
• Insulation Resistance: 1000 Mohms minimum
• Flammability: Conforms to IEC 695-2-2
CONSTRUCTION DIMENSIONS
FEATURE - BENEFITS
• 1210 Series from factor means small footprint and low
profile for high density applications
• High Q Rating assures performance reliability
• Tape and Reel Packaging for automatic assembly
insertion
• Precision ceramic casing allows high temperature
surface mounting and excellent thermal conduction
• Triple-plated terminals enhance reliable solderability
• Available in inductance ranges from 0.1 to 470 µH
• Low cost with high performance
2.54
RECOMMENDED PAD LAYOUT PATTERN
ORDERING INFORMATION
CTX32 and CTX32X Product Families are supplied in
8mm tape and reel packaging. Each reel contains 2000
inductors.
1.2
All dimensions in mm.
Pad layout dimensions
are nominal.
1.4
1.2
®
CHIP INDUCTORS
CTX32 Product Family
CTX32 Product Family Chip Inductors are ideally suited
for low level signal circuit applications.
Coiltronics
Inductance Q
Part Number
µH/TOL
Min
CTX32T-R12 0.12+/-20%
CTX32T-R15
0.15
CTX32T-R18
0.18
CTX32T-R22
0.22
CTX32T-R27
0.27
CTX32T-R33
0.33
CTX32T-R39
0.39
CTX32T-R47
0.47
CTX32T-R56
0.56
CTX32T-R68
0.68
CTX32T-R82
0.82
CTX32T-1R0
1.0
CTX32T-1R2
1.2
CTX32T-1R5
1.5
CTX32T-1R8
1.8
CTX32T-2R2
2.2
CTX32T-2R7
2.7
CTX32T-3R3
3.3
CTX32T-3R9
3.9
CTX32T-4R7
4.7
CTX32T-5R6
5.6
CTX32T-6R8
6.8
CTX32T-8R2
8.2
CTX32T-100 10.0+/-10%
CTX32T-120
12.0
CTX32T-150
15.0
CTX32T-180
18.0
CTX32T-220
22.0
CTX32T-270
27.0
CTX32T-330
33.0
CTX32T-390
39.0
CTX32T-470
47.0
CTX32T-560
56.0
CTX32T-680
68.0
CTX32T-820
82.0
CTX32T-101
100.0
CTX32T-121
120.0
CTX32T-151
150.0
CTX32T-181
180.0
CTX32T-221
220.0
CTX32T-271
270.0
CTX32T-331
330.0
CTX32T-391
390.0
CTX32T-471
470.0
30
Test
MHz
25.2
SRF
Min.MHz
500
450
400
350
320
300
250
220
180
160
140
120
100
85
80
75
70
60
55
50
47
43
40
36
33
30
27
25
20
17
16
15
13
12
11
10
10
8
7
7
6
5
5
4
R
DC
Max.Ohms
.22
.25
.28
.32
.36
.40
.45
.50
.55
.60
.65
.70
.75
.85
.90
1.00
1.10
1.20
1.30
1.50
1.60
1.80
2.00
2.10
2.50
2.80
3.30
3.70
5.00
5.60
6.40
7.00
8.00
9.00
10.00
10.00
11.00
15.00
17.00
21.00
28.00
34.00
42.00
40.00
I
DC
Rated mA
450
450
450
450
450
450
450
450
450
450
450
400
390
370
350
320
290
260
250
220
200
180
170
150
140
130
120
110
80
70
65
60
55
50
45
40
70
65
60
50
45
40
35
25
DC BIAS CHARACTERISTICS
1000
470
µH
100
100
µH
47
µH
Inductance
µH
10
10
µH
4.7
µH
1
1.0
µH
7.96
0.1
1
10
100
1000
DC Current mA
INDUCTANCE VS. FREQUENCY
10000
2.52
1000
470
µH
Inductance
µH
100
100
µH
47
µH
20
0.796
10
10
µH
4.7
µH
1
1.0
µH
0.1
0.1
1
10
100
Current ratings are achieved by reducing initial inductance values 10%
Frequency MHz
TEMPERATURE CHARACTERISTICS
Rate of Inductance Change %
100
+2
+1
0
-1
-2
-20
0
100
µH
470
µH
1
µH
10
µH
470
µH
100
µH
10
µH
1
µH
Q VS. FREQUENCY CHARACTERISTICS
10
Q
470
µH
100
µH
10
µH
1.0
µH
Temperature
°C
+20
+40
+60
+80
1
0.1
1
10
100
Frequency MHz
®
CHIP INDUCTORS
CTX32C Product Family
Coiltronics CTX32C Product Family Chip Inductors are
ideally suited for moderate power circuit applications.
They deliver twice the DC current carrying capability
with less than half the DC resistance as the CTX32
Series.
Coiltronics
Inductance Q
Part Number
µH/TOL
Min
CTX32CT-1R0 10.0+/-20%
CTX32CT-1R5
1.5
CTX32CT-2R2
2.2
CTX32CT-3R3
3.3
CTX32CT-4R7
4.7
CTX32CT-6R8
6.8
CTX32CT-100 10.0+/-10%
CTX32CT-150
15.0
CTX32CT-220
22.0
CTX32CT-330
33.0
CTX32CT-470
47.0
CTX32CT-680
68.0
CTX32CT-101
100.0
CTX32CT-151
150.0
CTX32CT-221
220.0
CTX32CT-331
330.0
10
Test
MHz
7.96
SRF
Min.MHz
100
80
68
54
46
38
30
26
21
17
14
12
10
8
7
6
R
DC
Max.Ohms
.15
.18
.23
.28
.34
.42
.50
.74
1.15
1.65
2.25
3.70
5.00
8.00
11.00
16.00
I
DC
Rated mA
850
700
600
500
430
360
300
250
210
170
150
120
100
85
70
60
DC BIAS CHARACTERISTICS
1000
330
µH
100
100
µH
33
µH
Inductance
µH
10
10
µH
3.3
µH
15
2.52
1
1.0
µH
0.1
1
10
100
1000
0.796
20
DC Current mA
INDUCTANCE VS. FREQUENCY
10000
Current ratings are achieved by reducing initial inductance values 10%
100
Q VS. FREQUENCY CHARACTERISTICS
1000
330
µH
Inductance
µH
100
µH
100
100
µH
33
µH
10
Q
330
µH
10
µH
1.0
µH
10
10
µH
3.3
µH
1
1
0.1
1
10
100
0.1
0.1
1.0
µH
Frequency MHz
TEMPERATURE CHARACTERISTICS
Rate of Inductance Change %
+2
+1
0
-1
-2
330
µH
100
µH
33
µH
1.0
µH
1.0
µH
33
µH
100
µH
330
µH
1
10
100
Frequency MHz
-20
0
Temperature
°C
+20
+40
+60
+80
®
CHIP INDUCTORS
PM-4307 2/00
© Cooper Electronic
Technologies 2000
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper
Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of
any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this
bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
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