Specification Number
SGE2687-1G
Revision. A (090605)
4W LMT2110 80.0:1 Transformer
TM ®
Microsemi
WWW.Microsemi .COM
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2687-1G high voltage transformer for CCFL inverter power
supplies. SGE2687-1G 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) 40 51.5 59.5 RDC2-3, RDC3-4(mΩ) 100 111 125
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) 2.5 2.9 3.7 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 10 10 1600
Winding Method Bifilar
PHYSICAL SPECIFICATIONS & WIRING DIAGRAM
S
SG
GE
E2
26
68
87
7-
-1
1G
G
PART MARKING
SGE-G XYZD
SGE2687-1G: MSC PN, XYZ: Datecode (X:YR, YZ=WK), D: Plant Code, A: Rev.#
PACKAGING SPEC AND ORDER INFORMATION
Packaging Order Information
SGE2687-1G ( Standard for TRAY)
SGE2687-1GTR (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