SGE2645-1G Datasheet, PDF (1/2 Pages) Microsemi Corporation – 6W LMT3811 75.0:1 Transformer

Specification Number
SGE2645-1G
Revision. A (082905)
®
TM
6W LMT3811 75.0:1 Transformer
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2645-1G high voltage transformer for CCFL inverter power
supplies. SGE2645-1G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-2.
ELECTRICAL CHARACTERISTICS
Items
Inductance (@ 10Khz, 0.1V)
Min
Nom
Max
L1-2, L2-3 (µH)
31
36
42
L4-5 (mH)
700
790
945
L_LKG1-2, L_LKG2-3 (µH)
Inductance (@ 100KHz, 1V)
4.4
4.5
4.6
L_LKG4-5 (mH)
NA
NA
NA
Rating
Note: Max output power varies depend on operating condition.
Max Open Output Voltage
Max Output Voltage
Max Output Power
2000V_RMS , 3sec.
1100V_RMS
6W
Items
DC. Resistance
Min
Nom
Max
R_DC1-2, R_DC2-3(mΩ)
51
R_DC4-5 (Ω)
273
52.3
53.5
284
295
R_DC1-2 / R_DC2-3
0.96
1
1.04
Secondary Self Capacitance ( HP4192A 1MHz C meter, 30mVrms)
C_4-5 (pF)
2.0
2.5
3.0
Dielectric Voltage Withstand
60Hz, Arc-detect enabled, 5 sec. min. 200µA max. leakage current
Secondary to Core
Primary to Core
Primary to Secondary
2500V_RMS min. ( 60sec)
1000V_RMS min.
1000V_RMS min.
WINDING SPECIFICATIONS
Winding Sequence
Wire Size & Type
Number of Turns
Winding Method
Primary
Pin 1 – 2
Pin 2 – 3
2S – 1F
3S – 2F
#29, Single Insulation, 180°C
#29, Single Insulation, 180°C
10
10
Bifilar
Secondary
Pin 4 – 5
5S – 4F
#45, Triple Insulation, 180°C
1500
PHYSICAL SPECIFICATIONS & WIRING DIAGRAM
PART MARKING
SGE…………-…G XYZD A – SGE2645-1G: MSC PN, XYZ: Datecode (X:YR, YZ=WK), D: Plant Code, A: Rev.#
PACKAGING SPEC AND ORDER INFORMATION
Packaging Order Information – SGE2645-1G ( Standard for TRAY)
SGE2645-1GTR (Tape and Reel )
SGE2645-1GT (with Polymide Tape for TRAY)
TAPE & REEL : Refer to SGE2604-4 specification
Copyright © 2004
Rev. A, 2005-08-29
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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