www.DataSheet4U.com
®
Specification Number SGE2655-3G Revision. A (082905)
TM
6W LMT3811 35.4:1 Transformer
DESCRIPTI...
www.DataSheet4U.com
®
Specification Number SGE2655-3G Revision. A (082905)
TM
6W LMT3811 35.4:1 Transformer
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2655-3G high
voltage transformer for CCFL inverter power supplies. SGE2655-3G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-2.
WWW . Microsemi . C OM
ELECTRICAL CHARACTERISTICS
Inductance (@ 10Khz, 0.1V) Items Min Nom Max L1-2, L2-3 (µH) 222 245 266 L4-5 (mH) 830 1012 1230 Inductance (@ 100KHz, 1V) LLKG1-2, LLKG2-3 (µH) 21 23 25 LLKG4-5 (mH) NA NA NA Rating Note: Max output power varies depend on operating condition. Max Open Output
Voltage 2000VRMS , 3sec. Max Output
Voltage 1100VRMS Max Output Power 6W DC. Resistance Min Nom Max RDC1-2, RDC2-3(mΩ) 180 187 194 RDC4-5 (Ω) 390 415 430 RDC1-2 / RDC2-3 0.96 1 1.04 Secondary Self Capacitance ( HP4192A 1MHz C meter, 30mVrms) C4-5 (pF) 2.0 2.5 3.5 Dielectric
Voltage Withstand 60Hz, Arc-detect enabled, 5 sec. min. 200µA max. leakage current Secondary to Core 2500VRMS min. ( 60sec) Primary to Core 1000VRMS min. Primary to Secondary 2500VRMS min. Items
WINDING SPECIFICATIONS
Primary Winding Sequence Wire Size & Type Number of Turns Winding Method Pin 1 – 2 2S – 1F #31, Single Insulation, 180°C 24 Bifilar Pin 2 – 3 3S – 2F #31, Single Insulation, 180°C 24 Secondary Pin 4 – 5 5S – 4F #46, Triple Insulation, 180°C 1700 Skip sector 1. ( Empty)
PHYSICAL SPECIFI...