Transformer
Description
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Specification Number SGE2641-3 Rev.
A (073001) This Document describes and specifies the electrical and mechanical characteristics of SGE2641-3 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
104 117 137 920 1040 1200 Inductance ( at 100Khz, 1Vrms) 10 11 12 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.
).
.
150 174 198 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.
2000Vrms 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 #35*2, Single Insulation, #35*2, Single Insulation, 180°C 180°C 18 18 Bifilar on Sector #1 Secondary Pin 4-5 5S-4F #46, Triple insulation, 180°C 1700 Sector #3 to #7.
skip #2
3.
Physical Specification & Wiring Diagram
Linfinity Microelectronics, Inc.
, 11861 Western Ave.
, Garden Grove, CA 92841 tel.
(714) 898-8121
...
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