®
CCFL TRANSFORMERS
Cold Cathode Fluorescent
Lamp Inverter Transformers
Description
• Transformers for use in CCFL power supplies, available
in through-hole and surface mount recess or gull wing
versions, incorporating floating or fixed secondary
technology
• Supply output current up to 30 milli-Amps
• Frequency range from 40 to 80 KHz
• Deliver output power from 2.5 to 14 Watts
• Operate in royer and other topologies
• RoHS compliant (-R option)
Applications
• CCFL power supplies
Environmental Data
• Storage temperature range: -40C to 85C
• Operating ambient temperature range: 0C to +70C
• Infrared reflow temperature: +240C for 30 seconds
maximum
Part
Schematic Pout
Number
Diagram Watts
2.5 WATT VERSIONS
CTX110652
A
2.5
CTX110655
B
2.5
CTX110657
B
2.5
CTX110659
B
2.5
CTX210652
A
2.5
CTX210655
B
2.5
CTX210657
B
2.5
CTX210659
B
2.5
4 WATT VERSIONS
CTX210403
C
4
CTX210407
C
4
CTX210409
C
4
CTX210411
C
4
CTX310403
C
4
CTX310407
C
4
CTX310409
C
4
CTX310411
C
4
6 WATT VERSIONS
CTX110600
D
6
CTX110603
C
6
CTX110605
C
6
CTX110607
C
6
CTX110609
C
6
CTX110611
C
6
CTX210600
D
6
CTX210603
C
6
CTX210605
C
6
CTX210607
C
6
CTX210609
C
6
CTX210611
C
6
14 Watt Versions
CTX410805
E
14
CTX410807
E
14
CTX410809
E
14
1
Packaging
• Supplied in bulk packaging
Lp
µH
1
43
43
26
19
43
43
26
19
44
27
20
20
44
27
20
20
44
44
44
27
20
20
44
44
44
27
20
20
24
16
16
2
DCRp
DCRs
TR
Vpri
Vsec
Is Max
Vpri
Vsec
Mechanical PCB Pad
Ohms Max Ohms Max Ns/Np Volts Max
2
Volts Max
2
A rms Abnormal
3
Abnormal
3
Dimensions Layout
0.220
0.220
0.212
0.190
0.220
0.220
0.212
0.190
0.220
0.160
0.160
0.160
0.220
0.160
0.160
0.160
0.160
0.160
0.160
0.132
0.132
0.132
0.160
0.160
0.160
0.132
0.132
0.132
0.030
0.024
0.024
285
285
285
285
285
285
285
285
165
220
220
330
165
220
220
330
176
132
176
176
176
291
176
132
176
176
176
291
262
272
314
3
67
67
86
100
67
67
86
100
50
86
100
125
50
86
100
125
67
50
67
86
100
125
67
50
67
86
100
125
67
86
100
20
20
15
13
20
20
15
13
26
15
13
10
26
15
13
10
20
26
20
15
13
11
20
26
20
15
13
11
20
15
13
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
.005
.005
.005
.005
.005
.005
.005
.005
.007
.007
.007
.007
.007
.007
.007
.007
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
.030
.030
.030
30
30
23
23
30
30
23
23
40
23
23
16
40
23
23
16
30
40
30
23
23
16
30
40
30
23
23
16
30
23
23
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
A
A
A
A
B
B
B
B
C
C
C
C
D
D
D
D
E
E
E
E
E
E
F
F
F
F
F
F
G
G
G
A
A
A
A
B
B
B
B
C
C
C
C
D
D
D
D
E
E
E
E
E
E
C
C
C
C
C
C
F
F
F
Inductances are nominal values
Continuous RMS Voltage
Maximum Instantaneous RMS Voltage
Option Code
-R
OPTION CODE
Description
RoHS compliant version
®
CCFL TRANSFORMERS
Cold Cathode Fluorescent
Lamp Inverter Transformers
Mechanical Diagrams
2.5 Watt Versions
Mechanical A
Mechanical B
Pad Layout A
Pad Layout B
TOP VIEW
TOP VIEW
Schematic A
Schematic B
Dimensions are in millimeters
4 Watt Versions
Mechanical C
Mechanical D
Pad Layout C
Pad Layout D
TOP VIEW
TOP VIEW
Schematic C
Dimensions are in millimeters
®
CCFL TRANSFORMERS
Cold Cathode Fluorescent
Lamp Inverter Transformers
Mechanical Diagrams
6 Watt Versions
Mechanical E
Mechanical F
Pad Layout E
Pad Layout C
TOP VIEW
Schematic D
TOP VIEW
Schematic C
Dimensions are in millimeters
14 Watt Versions
Schematic E
Mechanical G
Pad Layout F
BOTTOM VIEW
Dimensions are in millimeters
®
CCFL TRANSFORMERS
Cold Cathode Fluorescent
Lamp Inverter Transformers
PM-4303 7/05
© Cooper Electronic
Technologies 2005
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.
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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