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
ED LE
ND AB
ME IL
FEATURE - BENEFITS
OM AVA
• 1210 Series from factor means small footprint and low
EC NT
R
profile for high density applications
O
reliability
ME
N
• High Q Rating assures performance
CE
• Tape and Reel Packaging for automatic assembly
PLA
E
insertion
R
allows high temperature
• Precision ceramic casing
O
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B
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L
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
RECOMMENDED PAD LAYOUT PATTERN
2.54
1.2
ORDERING INFORMATION
CTX32 and CTX32X Product Families are supplied in
8mm tape and reel packaging. Each reel contains 2000
inductors.
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
Part Number
Inductance Q
µH/TOL Min
Test
MHz
25.2
SRF
R
DC
I
DC
Min.MHz Max.Ohms Rated mA
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
.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
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
CTX32T-R12-R 0.12+/-20% 30
CTX32T-R15-R
0.15
CTX32T-R18-R
0.18
CTX32T-R22-R
0.22
CTX32T-R27-R
0.27
CTX32T-R33-R
0.33
CTX32T-R39-R
0.39
CTX32T-R47-R
0.47
CTX32T-R56-R
0.56
CTX32T-R68-R
0.68
CTX32T-R82-R
0.82
CTX32T-1R0-R
1.0
CTX32T-1R2-R
1.2
CTX32T-1R5-R
1.5
CTX32T-1R8-R
1.8
CTX32T-2R2-R
2.2
CTX32T-2R7-R
2.7
CTX32T-3R3-R
3.3
CTX32T-3R9-R
3.9
CTX32T-4R7-R
4.7
CTX32T-5R6-R
5.6
CTX32T-6R8-R
6.8
CTX32T-8R2-R
8.2
CTX32T-100-R 10.0+/-10%
CTX32T-120-R
12.0
CTX32T-150-R
15.0
CTX32T-180-R
18.0
CTX32T-220-R
22.0
CTX32T-270-R
27.0
CTX32T-330-R
33.0
CTX32T-390-R
39.0
CTX32T-470-R
47.0
CTX32T-560-R
56.0
CTX32T-680-R
68.0
CTX32T-820-R
82.0
CTX32T-101-R
100.0
20
CTX32T-121-R
120.0
CTX32T-151-R
150.0
CTX32T-181-R
180.0
CTX32T-221-R
220.0
CTX32T-271-R
270.0
CTX32T-331-R
330.0
CTX32T-391-R
390.0
CTX32T-471-R
470.0
Inductance
µH
10
10
µH
4.7
µH
1
1.0
µH
7.96
2.52
O
0.796
R
ED LE
ND AB
ME IL
OM AVA
EC NT
O R ME
N
CE
PLA
E
10000
1000
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1
10
0.1
100
1000
DC Current mA
INDUCTANCE VS. FREQUENCY
470
μH
100
μH
47
μH
10
μH
4.7
μH
Inductance
μH
100
10
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
Part Number
Inductance Q
µH/TOL
Min
10
Test
MHz
7.96
SRF
R
DC
I
DC
Min.MHz Max.Ohms Rated mA
100
80
68
54
46
38
30
26
21
17
14
12
10
8
7
6
.15
.18
.23
.28
.34
.42
.50
.74
1.15
1.65
2.25
3.70
5.00
8.00
11.00
16.00
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
CTX32CT-1R0-R 10.0+/-20%
CTX32CT-1R5-R
1.5
CTX32CT-2R2-R
2.2
CTX32CT-3R3-R
3.3
CTX32CT-4R7-R
4.7
CTX32CT-6R8-R
6.8
CTX32CT-100-R 10.0+/-10%
CTX32CT-150-R
15.0
CTX32CT-220-R
22.0
CTX32CT-330-R
33.0
CTX32CT-470-R
47.0
CTX32CT-680-R
68.0
CTX32CT-101-R
100.0
CTX32CT-151-R
150.0
CTX32CT-221-R
220.0
CTX32CT-331-R
330.0
10
10
µH
3.3
µH
15
2.52
1
1.0
µH
0.796
20
Current ratings are achieved by reducing initial inductance values 10%
100
10
ED LE
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Q VS. FREQUENCY CHARACTERISTICS
ME IL
OM AVA
EC NT
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CE
PLA
RE
B
O
10
μH
1.0
μH
L
O
S
TE
E
10000
1000
0.1
10
100
1000
10000
DC Current mA
INDUCTANCE VS. FREQUENCY
330
μH
100
μH
33
μH
10
μH
3.3
μH
Inductance
μH
100
μH
100
Q
330
μH
10
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
ED LE
ND AB
ME IL
OM AVA
EC NT
O R ME
N
CE
PLA
RE
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B
TE
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PM-4307 11/06
© Cooper Electronic
Technologies 2006
Visit us on the Web at www.cooperbussmann.com
1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487
Tel: +1-561-998-4100 Toll Free: +1-888-414-2645 Fax: +1-561-241-6640
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.
Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the
express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when
properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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