SGE2641-3 Datasheet, PDF (1/1 Pages) Microsemi Corporation – high voltage transformer for CCFL inverter power supply

Magnetic Component Specification
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
1. Electrical Characteristics
Items
L1-2, L2-3 (uH)
Inductance ( at 10Khz, 0.1V)
Min
Nom
Max
104
117
137
L4-5 (mH)
920
1040
1200
L_LKG2-4 ,L_LKG4-6
(uH)
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
Primary to Core
Primary to Secondary
60 Hz.,Arc-detect enabled, 5
sec. min., 200uA max.
leakage current
Operating Test
V4-5
Primary driven with 60 kHz.
sine wave source (pin 1-3),
secondary measured with
Tektronix P6015 (or equiv.)..
Items
R1-2, R2-3(mΩ)
D.C Resistance
Min
Nom
Max
150
174
198
Rdc4-5(Ω)
405
415
430
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
Primary
Pin 1 – 2
Pin 2-3
Winding Sequence
2S-1F
3S-2F
Wire Size & Type
#35*2, Single Insulation, #35*2, Single Insulation,
180°C
180°C
Number of Turns
18
18
Winding Method
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. [phone]