SGE2648-1

Specification Number SGE2648-1 Rev. B (073001) This Document describes and specifies the electrical and mechanical characteristics of SGE2648-1 high voltage transformer for CCFL inverter power supply. This component should be designed and manufactured in accordance with Engineering Specification LES3811T Magnetic Component Specification 1. Electrical Characteristics Items L1-2, L2-3 (uH) L4-5 (mH) LLKG2-4 ,LLKG4-6 (uH) Inductance ( at 10Khz, 0.1V) Min Nom Max Items D.C Resistance Min Nom Max 243 282 329 890 1012 1210 Inductance ( at 100Khz, 1Vrms) 24.5 26.5 28.5 Should be shorted pin 4-5 Secondary Self Capacitance C4-5 (pF) 2.0 2.5 3.0 Dielectric Voltage Withstand Secondary to Core 60 Hz.,Arc-detect enabled, 5 sec. min., 200uA max. Primary to Core leakage current Primary to Secondary Operating Test V4-5 Primary driven with 60 kHz. sine wave source (pin 1-3), secondary measured with Tektronix P6015 (or equiv.).. 420 440 460 R1-2, R2-3(mΩ) 405 415 430 Rdc4-5(Ω) R1-2/R2-3 0.96 1 1.04 Balance of Primary DC resistance will be used as Bifilar winding measure tool HP4280A 1Mhz C meter, Floating mode 2500Vrms min. ( 1min. 60Hz) 1000Vrms min. 1000Vrms min. 2000Vrms min. 2. Winding Specifications Winding Sequence Wire Size & Type Number of Turns Winding Method Primary Pin 1 – 2 Pin 2-3 2S-1F 3S-2F #34, Single Insulation, #34, Single Insulation, 180°C 180°C 28 28 Bifilar Secondary Pin 4-5 5S-4F #46, Triple insulation, 180°C 1700 3. Physical Specification & Wiring Diagram Microsemi Integrated Products. 11861 Western Ave., Garden Grove, CA 92841 tel. (714) 898-8121