Technical Data 4303 Effective October 2015 Supersedes March 2007 CCFL Transformers Cold cathode fluorescent lamp inverter transformers Applications * CCFL power supplies e v i t til c e un f f E or , d 7 . e d u 01 Pb e t n i t 2 ple n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r Environmental data * Storage temperature range: -40C to +85C * Operating ambient temperature range: 0C to +70C Packaging Product 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 * Ferrite core material * Supplied in bulk packaging CCFL Transformers Cold cathode fluorescent lamp inverter transformers Technical Data 4303 Effective October 2015 Product specifications DCRp ohms max DCRs ohms max TR Ns/Np Vpri volts max2 Vsec volts max2 Is max A rms Vpri abnormal3 Vsec abnormal3 Mechanical dimensions PCB pad layout 43 0.220 285 67 20 1340 .005 30 2000 A A 2.5 43 0.220 285 67 20 1340 .005 30 2000 A A 2.5 26 0.190 285 86 15 1340 .005 23 2000 A A B 2.5 19 0.220 285 100 13 1340 .005 23 2000 A A 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 Schematic diagram Pout watts Lp uH CTX110652-R A 2.5 CTX110655-R B CTX110657-R B CTX110659-R CTX210652-R Part number 1 2.5 Watt Versions 2.5 Watt Versions CTX210403-R C CTX210407-R C CTX210409-R C CTX210411-R C CTX310403-R C CTX310407-R C CTX310409-R C CTX310411-R C 6 Watt Versions CTX110600-R D CTX110603-R C CTX110605-R C CTX110607-R C CTX110609-R C CTX110611-R C CTX210600-R D CTX210603-R C CTX210605-R C CTX210607-R C CTX210609-R C CTX210611-R C 14 Watt Versions CTX410805-R E CTX410807-R E CTX410809-R E e v i t til c e un f f E or , d 7 . e d u 01 e t n i e t 2 pl n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r 1. Inductances are nominal values 2. Continuous RMS Voltage 3. Maximum Instantaneous RMS Voltage 2 www.eaton.com/elx 2.5 19 0.190 285 100 13 1340 .005 23 2000 B B 4 44 0.220 165 50 26 1340 .007 40 2000 C C 4 27 0.160 220 86 15 1340 .007 23 2000 C C 4 20 0.160 220 100 13 1340 .007 23 2000 C C 4 20 0.160 330 125 10 1340 .007 16 2000 C C 4 44 0.220 165 50 26 1340 .007 40 2000 D D 4 27 0.160 220 86 15 1340 .007 23 2000 D D 4 20 0.160 220 100 13 1340 .007 23 2000 D D 4 20 0.160 330 125 10 1340 .007 16 2000 D D 6 44 0.160 176 67 20 1340 .011 30 2000 E E 6 44 0.160 132 50 26 1340 .011 40 2000 E E 6 44 0.160 176 67 20 1340 .011 30 2000 E E 6 27 0.132 176 86 15 1340 .011 23 2000 E E 6 20 0.132 176 100 13 1340 .011 23 2000 E E 6 20 0.132 291 125 11 1340 .011 16 2000 E E 6 44 0.160 176 67 20 1340 .011 30 2000 F C 6 44 0.160 132 50 26 1340 .011 40 2000 F C 6 44 0.160 176 67 20 1340 .011 30 2000 F C 6 27 0.132 176 86 15 1340 .011 23 2000 F C 6 20 0.132 176 100 13 1340 .011 23 2000 F C 6 20 0.132 291 125 11 1340 .011 16 2000 F C 14 24 0.030 262 67 20 1340 .030 30 2000 G F 14 16 0.024 272 86 15 1340 .030 23 2000 G F 14 16 0.024 314 100 13 1340 .030 23 2000 G F CCFL Transformers Cold cathode fluorescent lamp inverter transformers Technical Data 4303 Effective October 2015 Dimensions-mm 2.5 Watt Versions Pad Layout A Mechanical B Mechanical A Pad Layout B e v i t til c e un f f E or , d 7 . e d u 01 e t n i e t 2 pl n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r TOP VIEW TOP VIEW Schematic A Schematic B 4 Watt Versions Mechanical C Pad Layout C Mechanical D TOP VIEW Pad Layout D TOP VIEW Schematic C www.eaton.com/elx 3 CCFL Transformers Cold cathode fluorescent lamp inverter transformers Technical Data 4303 Effective October 2015 Dimensions-mm 6 Watt Versions Mechanical E Mechanical F Schematic D Schematic E Pad Layout F Schematic C Mechanical G BOTTOM VIEW 4 Pad Layout C e v i t til c e un f f E or , d 7 . e d u 01 e t n i e t 2 pl n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r TOP VIEW TOP VIEW 14 Watt Versions Pad Layout E www.eaton.com/elx CCFL Transformers Cold cathode fluorescent lamp inverter transformers Technical Data 4303 Effective October 2015 Through-hole wave solder profile Reflow soldering not recommended tp Temperature Tp First Wave Second Wave Tsmax Tstyp e v i t til c e un f f E or , d 7 . e d u 01 e t n i e t 2 pl n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r Tsmin Preheat area Cool down area Time Reference EN 61760-1:2006 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder * Temperature min. (Tsmin) 100C 100C * Temperature typ. (Tstyp) 120C 120C * Temperature max. (Tsmax) 130C 130C * Time (Tsmin to Tsmax) (ts) 70 seconds 70 seconds D preheat to max Temperature 150C max. 150C max. Peak temperature (TP)* 235C - 260C 250C - 260C Time at peak temperature (tp) 10 seconds max 5 seconds max each wave 10 seconds max 5 seconds max each wave Ramp-down rate ~ 2 K/s min ~3.5 K/s typ ~5 K/s max ~ 2 K/s min ~3.5 K/s typ ~5 K/s max 4 minutes 4 minutes Preheat Time 25C to 25C Manual solder 350C, 4-5 seconds. (by soldering iron), generally manual, hand soldering is not recommended. www.eaton.com/elx 5 CCFL Transformers Cold cathode fluorescent lamp inverter transformers Technical Data 4303 Effective October 2015 Surface mount solder reflow profile Wave and manual soldering not recommended TP TC -5C tP Max. Ramp Up Rate = 3C/s Max. Ramp Down Rate = 6C/s Temperature TL Preheat A T smax t Table 1 - Standard SnPb Solder (Tc) Package Thickness Volume mm3 <350 Volume mm3 350 <2.5mm) 235C 220C 2.5mm 220C 220C Table 2 - Lead (Pb) Free Solder (Tc) Tsmin 25C ts Package Thickness Volume mm3 <350 Volume mm3 350 - 2000 Volume mm3 >2000 <1.6mm 260C 260C 260C 1.6 - 2.5mm 260C 250C 245C >2.5mm 250C 245C 245C e v i t til c e un f f E or , d 7 . e d u 01 e t n i e t 2 pl n , o 1 e c 3 d d s e t i l e s s i d ilab D gu ry n e u a o t m v A en a m t o v n c n i e e m r No lace p e r Time 25C to Peak Time Reference JDEC J-STD-020D Profile Feature Preheat and Soak Standard SnPb Solder Lead (Pb) Free Solder * Temperature min. (Tsmin) 100C 150C * Temperature max. (Tsmax) 150C 200C * Time (Tsmin to Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmax to Tp 3C/ Second Max. 3C/ Second Max. Liquidous temperature (Tl) Time at liquidous (tL) 183C 60-150 Seconds 217C 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) 6C/ Second Max. 6C/ Second Max. Time 25C 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 (c) 2015 Eaton All Rights Reserved Printed in USA Publication No. PM-4303 October 2015 Eaton is a registered trademark. All other trademarks are property of their respective owners.