Specification Number
SGE2688-1G
Revision. A (090605)
4W LMT2110 61.5:1 Transformer
TM ®
Microsemi
WWW.Microsemi .COM
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2688-1G high voltage transformer for CCFL inverter power
supplies. SGE2688-1G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-3.
ELECTRICAL CHARACTERISTICS
Inductance (@ 10Khz, 0.1V) DC. Resistance
Items Min Nom Max Items Min Nom Max
L2-3, L3-4 (µH) 73.5 87 101 RDC2-3, RDC3-4(mΩ) 163 168 173
L6-7 (mH) 1024 1213 1396 RDC6-7 (Ω) 350 361 390
Inductance (@ 100KHz, 1V) RDC2-3 / RDC3-4 0.96 1 1.04
LLKG2-3, LLKG3-4 (µH) 4.7 5.1 5.5 Secondary Self Capacitance ( HP4192A 1MHz C meter, 30mVrms)
LLKG6-7 (mH) NA NA NA C6-7 (pF) 2.0 2.5 3.5
Rating
Note: Max output power varies depend on operating condition. Dielectric Voltag e Withstand
60Hz, Arc-detect enabled, 5 sec. min. 200µA max. leakage current
Max Open Output Voltage 1500VRMS , 3sec. Secondary to Core 2000VRMS min. ( 60sec)
Max Output Voltage 1000VRMS Primary to Core 1000VRMS min.
Max Output Power 4W Primary to Secondary 1000VRMS min.
WINDING SPECIFICATIONS
Primary Secondary
Pin 2 – 3 Pin 3 – 4 Pin 6 – 7
Winding Sequence 2S – 3F 3S – 4F 6S – 7F
Wire Size & Type #33, Single Insulation, 180°C #33, Single Insulation, 180°C #46, Triple Insulation, 180°C
Number of Turns 13 13 1600
Winding Method Bifilar
PHYSICAL SPECIFICATIONS & WIRING DIAGRAM
S
SG
GE
E2
26
68
88
8-
-1
1G
G
PART MARKING
SGE-G XYZD
A
–
SGE2688-1G: MSC PN, XYZ: Datecode (X:YR, YZ=WK), D: Plant Code, A: Rev.#
PACKAGING SPEC AND ORDER INFORMATION
Packaging Order Information
–
SGE2688-1G ( Standard for TRAY)
SGE2688-1GTR (Tape and Reel )
TAPE & REEL : Refer to SGE2604-3 specification
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright © 2004
Rev. A, 2005-09-06
Specification Number
SGE2688-1G
Revision. A (090605)
4W LMT2110 61.5:1 Transformer
TM ®
Microsemi
WWW.Microsemi .COM
NOTES
N
NO
OT
TE
ES
S
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.
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright © 2004
Rev. A, 2005-09-06
