Effective October 2015 4303 CCFL Transformers

1 Technical Data 4303 Effective October 2015 Supersedes March 2007 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 to 14 Watts Operate in royer and other topologies Ferrite core materialApplications ccfl power suppliesEnvironmental data Storage temperature range: -40 C to +85 C Operating ambient temperature range: 0 C to +70 CPackaging Supplied in bulk packagingCCFL TransformersCold cathode fluorescent lamp inverter transformersPbDiscontinued, Effective August 31, 2017 or until inventory is depleted. No recommended replacement available2 Technical Data 4303 Effective October 2015 ccfl TransformersCold cathode fluorescent lamp inverter Transformers specifications Part numberSchematic diagramPout wattsLp uH1 DCRp ohms maxDCRs ohms maxTR Ns/NpVpri volts max2 Vsec volts max2Is max A rmsVpri abnormal3 Vsec abnormal3 Mechanical dimensionsPCB pad Watt Watt Watt Watt 1.

2 Inductances are nominal values2. Continuous RMS Voltage3. Maximum Instantaneous RMS VoltageDiscontinued, Effective August 31, 2017 or until inventory is depleted. No recommended replacement available3 Technical Data 4303 Effective October 2015 ccfl TransformersCold cathode fluorescent lamp inverter Transformers Watt VersionsSchematic APad Layout AMechanical AMechanical BSchematic BTOP VIEWTOP VIEWPad Layout BSchematic CPad Layout CPad Layout DMD lacinahceMC lacinahceTOP VIEWTOP VIEW4 Watt VersionsDiscontinued, Effective August 31, 2017 or until inventory is depleted. No recommended replacement available4 Technical Data 4303 Effective October 2015 ccfl TransformersCold cathode fluorescent lamp inverter Transformers mm6 Watt Versions14 Watt VersionsSchematic DPad Layout ESchematic CPad Layout CMechanical EMechanical FTOP VIEWTOP VIEWS chematic EPad Layout F Mechanical GBOTTOM VIEWD iscontinued, Effective August 31, 2017 or until inventory is depleted.

3 No recommended replacement available5 Technical Data 4303 Effective October 2015 ccfl TransformersCold cathode fluorescent lamp inverter Transformers wave solder profileReflow soldering not recommendedReference EN 61760-1:2006 Profile FeatureStandard SnPb SolderLead (Pb) Free SolderPreheat Temperature min. (Tsmin)100 C100 C Temperature typ. (Tstyp)120 C120 C Temperature max. (Tsmax)130 C130 C Time (Tsmin to Tsmax) (ts)70 seconds70 secondsD preheat to max Temperature150 C C temperature (TP)*235 C 260 C250 C 260 CTime at peak temperature (tp)10 seconds max 5 seconds max each wave10 seconds max 5 seconds max each waveRamp-down rate~ 2 K/s min ~ K/s typ ~5 K/s max~ 2 K/s min ~ K/s typ ~5 K/s maxTime 25 C to 25 C4 minutes4 minutesManual solder350 C, 4-5 seconds. (by soldering iron), generally manual, hand soldering is not Time TsminTsmax Tstyp Tp tp First Wave Second Wave Preheat area Cool down area Discontinued, Effective August 31, 2017 or until inventory is depleted.

4 No recommended replacement availableEatonElectronics Division1000 Eaton BoulevardCleveland, OH 44122 United 2015 EatonAll Rights ReservedPrinted in USAP ublication No. PM-4303 October 2015 Eaton is a registered other trademarks are property of their respective TransformersCold cathode fluorescent lamp inverter Transformers Technical Data 4303 Effective October 2015 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 offlcer 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 signiflcant injury to the 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 tsTC -5 CTime 25 C to Peak Time25 CTsminTsmaxTLTPP reheatAMax.

5 Ramp Up Rate = 3 C/sMax. Ramp Down Rate = 6 C/sSurface mount solder reflow profileWave and manual soldering not recommendedReference JDEC J-STD-020D Profile FeatureStandard SnPb SolderLead (Pb) Free SolderPreheat and Soak Temperature min. (Tsmin)100 C150 C Temperature max. (Tsmax)150 C200 C Time (Tsmin to Tsmax) (ts)60-120 Seconds60-120 SecondsAverage ramp up rate Tsmax to Tp3 C/ Second C/ Second temperature (Tl) Time at liquidous (tL)183 C 60-150 Seconds217 C 60-150 SecondsPeak 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 C/ Second 25 C to Peak Temperature6 Minutes 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 1 - Standard SnPb Solder (Tc)Package ThicknessVolume mm3 <350 Volume mm3 350< )235 C220 C C220 CTable 2 - Lead (Pb) Free Solder (Tc)Package ThicknessVolume mm3 <350 Volume mm3 350 - 2000 Volume mm3 >2000< C260 C260 C250 C245 C> C245 C245 CDiscontinued, Effective August 31, 2017 or until inventory is depleted.

6 No recommended replacement availabl