Effective October 2015 Technical Data 4303 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 Pb 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

Technical Data 4303 CCFL Transformers Effective October 2015 Cold cathode fluorescent lamp inverter transformers Product specifications DCRp DCRs Vpri Vsec Is Schematic Pout ohms ohms TR volts volts max Vpri Vsec Mechanical PCB pad Part number diagram watts Lp uH1 max max Ns/Np max2 max2 A rms abnormal3 abnormal3 dimensions layout 2.5 Watt Versions CTX110652-R A 2.5 43 0.220 285 67 20 1340 .005 30 2000 A A CTX110655-R B 2.5 43 0.220 285 67 20 1340 .005 30 2000 A A CTX110657-R B 2.5 26 0.190 285 86 15 1340 .005 23 2000 A A CTX110659-R B 2.5 19 0.220 285 100 13 1340 .005 23 2000 A A CTX210652-R A 2.5 43 0.220 285 67 20 1340 .005 30 2000 B B CTX210655-R B 2.5 43 0.220 285 67 20 1340 .005 30 2000 B B CTX210657-R B 2.5 26 0.212 285 86 15 1340 .005 23 2000 B B CTX210659-R B 2.5 19 0.190 285 100 13 1340 .005 23 2000 B B 2.5 Watt Versions CTX210403-R C 4 44 0.220 165 50 26 1340 .007 40 2000 C C CTX210407-R C 4 27 0.160 220 86 15 1340 .007 23 2000 C C CTX210409-R C 4 20 0.160 220 100 13 1340 .007 23 2000 C C CTX210411-R C 4 20 0.160 330 125 10 1340 .007 16 2000 C C CTX310403-R C 4 44 0.220 165 50 26 1340 .007 40 2000 D D CTX310407-R C 4 27 0.160 220 86 15 1340 .007 23 2000 D D CTX310409-R C 4 20 0.160 220 100 13 1340 .007 23 2000 D D CTX310411-R C 4 20 0.160 330 125 10 1340 .007 16 2000 D D 6 Watt Versions CTX110600-R D 6 44 0.160 176 67 20 1340 .011 30 2000 E E CTX110603-R C 6 44 0.160 132 50 26 1340 .011 40 2000 E E CTX110605-R C 6 44 0.160 176 67 20 1340 .011 30 2000 E E CTX110607-R C 6 27 0.132 176 86 15 1340 .011 23 2000 E E CTX110609-R C 6 20 0.132 176 100 13 1340 .011 23 2000 E E CTX110611-R C 6 20 0.132 291 125 11 1340 .011 16 2000 E E CTX210600-R D 6 44 0.160 176 67 20 1340 .011 30 2000 F C CTX210603-R C 6 44 0.160 132 50 26 1340 .011 40 2000 F C CTX210605-R C 6 44 0.160 176 67 20 1340 .011 30 2000 F C CTX210607-R C 6 27 0.132 176 86 15 1340 .011 23 2000 F C CTX210609-R C 6 20 0.132 176 100 13 1340 .011 23 2000 F C CTX210611-R C 6 20 0.132 291 125 11 1340 .011 16 2000 F C 14 Watt Versions CTX410805-R E 14 24 0.030 262 67 20 1340 .030 30 2000 G F CTX410807-R E 14 16 0.024 272 86 15 1340 .030 23 2000 G F CTX410809-R E 14 16 0.024 314 100 13 1340 .030 23 2000 G F 1. Inductances are nominal values 2. Continuous RMS Voltage 3. Maximum Instantaneous RMS Voltage 2 www.eaton.com/elx

CCFL Transformers Technical Data 4303 Cold cathode fluorescent lamp inverter transformers Effective October 2015 Dimensions–mm 2.5 Watt Versions Mechanical A Mechanical B Pad Layout A Pad Layout B TOP VIEW TOP VIEW Schematic A 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 CCFL Transformers Effective October 2015 Cold cathode fluorescent lamp inverter transformers Dimensions–mm 6 Watt Versions Mechanical E Mechanical F Pad Layout E Pad Layout C TOP VIEW TOP VIEW Schematic D Schematic C 14 Watt Versions Schematic E Pad Layout F Mechanical G BOTTOM VIEW 4 www.eaton.com/elx

CCFL Transformers Technical Data 4303 Cold cathode fluorescent lamp inverter transformers Effective October 2015 Through-hole wave solder profile Reflow soldering not recommended t p Tp First Wave Second Wave e ur atTsmax erTstyp p m e TTsmin Preheat area Cool down area Time Reference EN 61760-1:2006 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder Preheat • Temperature min. (Tsmin) 100°C 100°C • Temperature typ. (Tstyp) 120°C 120°C • Temperature max. (Tsmax) 130°C 130°C • Time (Tsmin to Tsmax) (ts) 70 seconds 70 seconds D preheat to max Temperature 150°C max. 150°C max. Peak temperature (TP)* 235°C – 260°C 250°C – 260°C Time at peak temperature (tp) 10 seconds max 10 seconds max 5 seconds max each wave 5 seconds max each wave Ramp-down rate ~ 2 K/s min ~ 2 K/s min ~3.5 K/s typ ~3.5 K/s typ ~5 K/s max ~5 K/s max Time 25°C to 25°C 4 minutes 4 minutes Manual solder 350°C, 4-5 seconds. (by soldering iron), generally manual, hand soldering is not recommended. www.eaton.com/elx 5

Technical Data 4303 CCFL Transformers Effective October 2015 Cold cathode fluorescent lamp inverter transformers Surface mount solder reflow profile Wave and manual soldering not recommended TP Table 1 - Standard SnPb Solder (Tc) TC -5°C Max. Ramp Up Rate = 3°C/s tP Volume Volume Package mm3 mm3 Max. Ramp Down Rate = 6°C/s Thickness <350 ≥350 TL <2.5mm) 235°C 220°C Preheat t ≥2.5mm 220°C 220°C A e Tsmax atur Table 2 - Lead (Pb) Free Solder (Tc) per Volume Volume Volume Tem Tsmin ts PThacickkangees s m<3m503 m35m03 - 2000 m>2m003 0 <1.6mm 260°C 260°C 260°C 1.6 – 2.5mm 260°C 250°C 245°C >2.5mm 250°C 245°C 245°C 25°C Time 25°C to Peak Time Reference JDEC J-STD-020D Profile Feature Standard SnPb Solder Lead (Pb) Free Solder Preheat and Soak • Temperature min. (Tsmin) 100°C 150°C • Temperature max. (Tsmax) 150°C 200°C • Time (Tsmin to Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmax to Tp 3°C/ Second Max. 3°C/ Second Max. Liquidous temperature (Tl) 183°C 217°C Time at liquidous (tL) 60-150 Seconds 60-150 Seconds Peak package body temperature (TP)* Table 1 Table 2 Time (tp)** within 5 °C of the specified classification temperature (Tc) 20 Seconds** 30 Seconds** Average ramp-down rate (Tp to Tsmax) 6°C/ Second Max. 6°C/ Second Max. Time 25°C to Peak Temperature 6 Minutes Max. 8 Minutes Max. * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. ** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum. Life Support Policy: Eaton 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. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/elx © 2015 Eaton All Rights Reserved Eaton is a registered trademark. Printed in USA Publication No. PM-4303 All other trademarks are property October 2015 of their respective owners.