EPA3869

Flyback Transformer
ELECTRONICS INC.
EPA3869
• Used in SMPS-Flyback Topology •
• Bobbin : UL94V-0 Recognized Materials •
• UL 1446 Class B Insulation System •
• Gapped Transformer •
• Low Core Loss Materials •
• Works up to 200 KHz Switching Frequency •
Primary Specification
Inductance
(µH ± 10%)
DCR
(Ω Max.)
Leakage Inductance
(µH Max.)
Turns
Ratio
@ 100 KHz,
0.1 Vrms
@ 100 KHz,
0.1 Vrms
150
1.8
Pins
1-3,2-4
Pins
1-3,2-4
5.5
Pins
7-5,8-6
77:77
Pins
1-3:2-4
77:140:140
Pins
1-3:7-5:8-6
TBD
500
Pins 1,2-3,4 All
other wdg’s shorted
Pri. to Sec. Wdg’s
Package
.500 Max.
(12.70)
8
Schematic
.100
(2.54
8
.039
(1.00
3
2
70 Vdc
4
1
5
PCA
EPA3869
D.C.
Pin # 1
I.D.
Dielectric Rating
(Vac)
1
.500
Max.
(12.70)
.450
Max.
(11.43)
.300
(7.62)
70 Vdc
6
7
70 Vdc
5
4
.070
Typ.
(1.80)
.126
(3.20)
.100
(2.54)
.018
(.450)
.300
(7.62
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSA3869
Rev. -
4/16/02
Product performance is limited to specific parameters. Data subject to change without prior notice.
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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