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| Specification Number SGE2678-1G Revision. A (090605) TM (R) 2.4W LMT2608 66.7:1 Transformer DESCRIPTION This document describes and specifies the electrical and mechanical characteristics of the SGE2678-1G high voltage transformer for CCFL inverter power supplies. SGE2678-1G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-4. WWW .Microsemi .C OM ELECTRICAL CHARACTERISTICS Inductance (@ 10Khz, 0.1V) Items Min Nom Max L1-2, L2-3 (H) 19 29 39 L4-5 (mH) 265 505 735 Inductance (@ 100KHz, 1V) LLKG1-2, LLKG2-3 (H) 4.7 5.8 6.9 LLKG4-5 (mH) NA NA NA Rating Note: Max output power varies depend on operating condition. Max Open Output Voltage 1200VRMS , 3sec. Max Output Voltage 850VRMS Max Output Power 2.4W DC. Resistance Min Nom Max RDC1-2, RDC2-3(m) 100 110 120 RDC4-5 () 470 496 510 RDC1-2 / RDC2-3 0.96 1 1.04 Secondary Self Capacitance ( HP4192A 1MHz C meter, 30mVrms) C4-5 (pF) 1.9 2.2 3 Dielectric Voltage Withstand 60Hz, Arc-detect enabled, 5 sec. min. 200A max. leakage current Secondary to Core 1500VRMS min. ( 60sec) Primary to Core 750VRMS min. Primary to Secondary 750VRMS min. Items WINDING SPECIFICATIONS Primary Winding Sequence Wire Size & Type Number of Turns Winding Method Pin 1 - 2 1S - 2F 0.18, Single Insulation, 180C 12 Bifilar Pin 2 - 3 2S - 3F 0.18, Single Insulation, 180C 12 Secondary Pin 4 - 5 4S - 5F 0.03, Triple Insulation, 180C 1600 PHYSICAL SPECIFICATIONS & WIRING DIAGRAM SGE2678-1G SGE2678-1G PART MARKING SGE - G XYZD A - SGE2678-1G: MSC PN, XYZ: Datecode (X:YR, YZ=WK), D: Plant Code, A: Rev.# PACKAGING SPEC AND ORDER INFORMATION Packaging Order Information - SGE2678-1GTR (Tape and Reel ) TAPE & REEL : Refer to SGE2604-4 specification Copyright (c) 2004 Rev. A, 2005-09-06 Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 1 Specification Number SGE2678-1G Revision. A (090605) TM (R) 2.4W LMT2608 66.7:1 Transformer NOTES WWW .Microsemi .C OM NOTES NOTES PRODUCTION DATA - Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not necessarily include testing of all parameters. Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. Copyright (c) 2004 Rev. A, 2005-09-06 Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 2 |
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