Specification Number
SGE2668-1G
Revision. A (051106)
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright © 2004
Rev. A, 2006-05-11
WWW.Microsemi .COM
2.4W LMT2608 80.0:1 Transformer
TM ®
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2668-1G high voltage transformer for CCFL inverter power
supplies. SGE2668-1G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-4.
ELECTRICAL CHARACTERISTICS
Inductance (@ 10Khz, 0.1V) DC. Resistance
Items Min Nom Max Items Min Nom Max
L1-2,L2-3 (µH) 22 29 37 RDC1-2, RDC2-3(mΩ) 100 118 128
L4-5 (mH) 300 433 547 RDC4-5 (Ω) 470 493 560
Inductance (@ 100KHz, 1V), with Short pin4-5 R1-2/R2-3 0.96 1 1.04
LLKG1-2, LLKG2-3 (µH) 6.2 6.7 7.4 Quality Factor Q1-3 30 50
LLKG4-5 (mH) NA NA NA Quality Factor Q4-5 NA NA NA
Rating
Note: Max output power varies depend on operating condition. Dielectric Voltage Withstand
60Hz, Arc-detect enabled, 5 sec. min. 200µA max. leakage current
Max Open Output Voltage 1500VRMS , 3sec. Secondary to Core 1500VRMS min. ( 1min)
Max Output Voltage 1000VRMS Primary to Core 750VRMS min.
Max Output Power 2.4W Primary to Secondary 1000VRMS min.
WINDING SPECIFICATIONS
Primary Secondary
Pin 1 – 2 Pin 2 – 3 Pin 4 – 5
Winding Sequence 1S – 2F 2S – 3F 5S – 4F
Wire Size & Type 0.18φ, Single Insulation, 180°C 0.18φ, Single Insulation, 180°C 0.03φ, Triple Insulation, 180°C
Number of Turns 13 13 1600
Winding Method Bifilar
PHYSICAL SPECIFICATIONS & WIRING DIAGRAM
PART MARKING
SGE-G XYZD
A
–
SGE2668-1G: MSC PN,
PYMDD A: P: Plant Code, Y=Year, M:Month, DD:date A: Rev.#
PACKAGING SPEC AND ORDER INFORMATION
Packaging Order Information
–
SGE2668-1GTR (Tape and Reel )
TAPE & REEL : Refer to SGE2604-4 specification
S
SG
GE
E2
26
66
68
8-
-1
1G
G
Specification Number
SGE2668-1G
Revision. A (051106)
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright © 2004
Rev. A, 2006-05-11
WWW.Microsemi .COM
2.4W LMT2608 80.0:1 Transformer
TM ®
NOTES
PRODUCTION DATA – Information contained in this document is proprietary to
Microsemi and is current as of publication date. This document may not be modified in
any way without the express written consent of Microsemi. Product processing does not
necessarily include testing of all parameters. Microsemi reserves the right to change the
configuration and performance of the product and to discontinue product at any time.
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