Technical Data
4303
Effective October 2015
Supersedes March 2007
CCFL Transformers
Cold cathode fluorescent lamp inverter transformers
Applications
•
CCFL power supplies
Environmental data
•
•
Storage temperature range: -40°C to +85°C
Operating ambient temperature range:
0°C to +70°C
Packaging
Product description
•
•
Supplied in bulk packaging
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
Ferrite core material
Pb
•
•
•
•
•
Technical Data
4303
Effective October 2015
CCFL Transformers
Cold cathode fluorescent lamp inverter transformers
Product specifications
Part number
Schematic
diagram
Pout
watts
Lp uH
1
DCRp
ohms
max
DCRs
ohms
max
TR
Ns/Np
Vpri
volts
max
2
Vsec
volts
max
2
Is
max
A rms
Vpri
abnormal
3
Vsec
abnormal
3
Mechanical
dimensions
PCB pad
layout
2.5 Watt Versions
CTX110652-R
CTX110655-R
CTX110657-R
CTX110659-R
CTX210652-R
CTX210655-R
CTX210657-R
CTX210659-R
2.5 Watt Versions
CTX210403-R
CTX210407-R
CTX210409-R
CTX210411-R
CTX310403-R
CTX310407-R
CTX310409-R
CTX310411-R
6 Watt Versions
CTX110600-R
CTX110603-R
CTX110605-R
CTX110607-R
CTX110609-R
CTX110611-R
CTX210600-R
CTX210603-R
CTX210605-R
CTX210607-R
CTX210609-R
CTX210611-R
14 Watt Versions
CTX410805-R
CTX410807-R
CTX410809-R
E
E
E
14
14
14
24
16
16
0.030
0.024
0.024
262
272
314
67
86
100
20
15
13
1340
1340
1340
.030
.030
.030
30
23
23
2000
2000
2000
G
G
G
F
F
F
D
C
C
C
C
C
D
C
C
C
C
C
6
6
6
6
6
6
6
6
6
6
6
6
44
44
44
27
20
20
44
44
44
27
20
20
0.160
0.160
0.160
0.132
0.132
0.132
0.160
0.160
0.160
0.132
0.132
0.132
176
132
176
176
176
291
176
132
176
176
176
291
67
50
67
86
100
125
67
50
67
86
100
125
20
26
20
15
13
11
20
26
20
15
13
11
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
1340
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
.011
30
40
30
23
23
16
30
40
30
23
23
16
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
E
E
E
E
E
E
F
F
F
F
F
F
E
E
E
E
E
E
C
C
C
C
C
C
C
C
C
C
C
C
C
C
4
4
4
4
4
4
4
4
44
27
20
20
44
27
20
20
0.220
0.160
0.160
0.160
0.220
0.160
0.160
0.160
165
220
220
330
165
220
220
330
50
86
100
125
50
86
100
125
26
15
13
10
26
15
13
10
1340
1340
1340
1340
1340
1340
1340
1340
.007
.007
.007
.007
.007
.007
.007
.007
40
23
23
16
40
23
23
16
2000
2000
2000
2000
2000
2000
2000
2000
C
C
C
C
D
D
D
D
C
C
C
C
D
D
D
D
A
B
B
B
A
B
B
B
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
43
43
26
19
43
43
26
19
0.220
0.220
0.190
0.220
0.220
0.220
0.212
0.190
285
285
285
285
285
285
285
285
67
67
86
100
67
67
86
100
20
20
15
13
20
20
15
13
1340
1340
1340
1340
1340
1340
1340
1340
.005
.005
.005
.005
.005
.005
.005
.005
30
30
23
23
30
30
23
23
2000
2000
2000
2000
2000
2000
2000
2000
A
A
A
A
B
B
B
B
A
A
A
A
B
B
B
B
1. Inductances are nominal values
2. Continuous RMS Voltage
3. Maximum Instantaneous RMS Voltage
2
www.eaton.com/elx
CCFL Transformers
Cold cathode fluorescent lamp inverter transformers
Dimensions–mm
2.5 Watt Versions
Mechanical A
Mechanical B
Pad Layout A
Technical Data
4303
Effective October 2015
Pad Layout B
TOP VIEW
Schematic A
TOP VIEW
Schematic B
4 Watt Versions
Mechanical C
Mechanical D
Pad Layout C
Pad Layout D
TOP VIEW
TOP VIEW
Schematic C
www.eaton.com/elx
3
Technical Data
4303
Effective October 2015
CCFL Transformers
Cold cathode fluorescent lamp inverter transformers
Dimensions–mm
6 Watt Versions
Mechanical E
Mechanical F
Pad Layout E
Pad Layout C
TOP VIEW
Schematic D
TOP VIEW
Schematic C
14 Watt Versions
Schematic E
Pad Layout F
Mechanical G
BOTTOM VIEW
4
www.eaton.com/elx
CCFL Transformers
Cold cathode fluorescent lamp inverter transformers
Through-hole wave solder profile
Reflow soldering not recommended
t
p
T
p
Technical Data
4303
Effective October 2015
First Wave
Second Wave
Temperature
T
smax
T
styp
T
smin
Preheat area
Cool down area
Time
Reference EN 61760-1:2006
Profile Feature
Standard SnPb Solder
Lead (Pb) Free Solder
Preheat
• Temperature min. (Tsmin)
• Temperature typ. (Tstyp)
• Temperature max. (Tsmax)
• Time (Tsmin to Tsmax) (ts)
100°C
120°C
130°C
70 seconds
150°C max.
235°C – 260°C
10 seconds max
5 seconds max each wave
~ 2 K/s min
~3.5 K/s typ
~5 K/s max
4 minutes
100°C
120°C
130°C
70 seconds
150°C max.
250°C – 260°C
10 seconds max
5 seconds max each wave
~ 2 K/s min
~3.5 K/s typ
~5 K/s max
4 minutes
D
preheat to max Temperature
Peak temperature (TP)*
Time at peak temperature (tp)
Ramp-down rate
Time 25°C to 25°C
Manual solder
350°C, 4-5 seconds. (by soldering iron), generally manual, hand soldering is not recommended.
www.eaton.com/elx
5
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