Specification Number
SGE2685-1G
Revision. A (101805)
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright © 2004
Rev. A, 2005-10-18
WWW.Microsemi .COM
7W LMT3210 62.5:1 Transformer
TM ®
DESCRIPTION
This document describes and specifies the electrical and mechanical characteristics of the SGE2685-1G high voltage transformer for CCFL inverter power
supplies. SGE2685-1G is the RoHS compliant and Lead free transformer. For Reliability and Safety Specification, refer to SGE2606-1.
ELECTRICAL CHARACTERISTICS
Items Inductance (@ 10Khz, 0.1V) Items DC. Resistance
Min Nom Max Min Nom Max
L1-2,L2-3 (µH) 112 130 152 RDC1-2, RDC2-3(mΩ) 225 239 253
L4-5 (mH) 1600 1825 2050 RDC4-5 (Ω) 563 580 620
LLKG1-2, LLKG2-3 (µH) Inductance (@ 100KHz, 1V), with Short pin4-5 R1-2/R2-3 0.96 1 1.04
15 16 17 Quality Factor Q1-2,Q2-3 15 18 -
LLKG4-5 (mH) NA NA NA Quality Factor Q4-5 20 24 -
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 2000VRMS , 3sec. Secondary to Core 2500VRMS min. ( 1min)
Max Output Voltage 1600VRMS Primary to Core 1000VRMS min.
Max Output Power 7W Primary to Secondary 2500VRMS min.
WINDING SPECIFICATIONS
Primary Secondary
Pin 1–2 Pin 2-3 Pin 4 – 5
Winding Sequence 1S – 2F 2S-3F 4S – 5F
Wire Size & Type AWG#33, Single Insulation, 180°C AWG#33, Single Insulation, 180°C AWG#46, Triple Insulation, 180°C
Number of Turns 16 16 2000
Winding Method Bifilar
PHYSICAL SPECIFICATIONS & WIRING DIAGRAM
5
4
1
2
3
3
2
15
4
ROUNDED ON SECONDARY END
RECOMMEND THE PADS BE
PCB PAD Recommendation
Marking:
0.10MIN
Kapton Tape
See Marking
PCB OUTOUT
SGE2685-1G
ZZZ PYMDD A
PART MARKING
SGE-G
–
SGE2685-1G: MSC PN
ZZZ PYMDD A ZZZ: TMP(Maker code), P: Plant Code, Y: Year, M: Month, D: Date, A: Spec Rev.#
PACKAGING SPEC AND ORDER INFORMATION
Packaging Order Info rmation
–
SGE2685-1GTR, TR - (Tape and Reel ) . Blank - Tray
TAPE & REEL : Refer to SGE2604-1
SGE2685-1G
Specification Number
SGE2685-1G
Revision. A (101805)
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright © 2004
Rev. A, 2005-10-18
WWW.Microsemi .COM
7W LMT3210 62.5:1 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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NO
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