EPC3143G Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Flyback Transformer

Flyback Transformer
ELECTRONICS INC.
EPC3143G
• Used in SMPS Flyback Topology
• UL1446 Clas B Insulating System
• UL94V-0 Recognized Components
• Switching Frequency : 275 KHz
• Low Core Loss Materials
• 2250 Vac Isolation
Inductance
(µH ± 10%)
@ 10 KHz, 0.1 Vrms
30
Pins 1-2
Electrical Parameters @ 25° C
Leakage Inductance
(µH Typ.)
DCR
(Ω Typ.)
1.6
.164
.590
.017
Pins 1-2 w/all others shorted
Pins 1-2
Pins 3-4
Pins 10-8
• Operating Temperature : -40°C to +85°C •
Schematic
1
33-57 Vdc
2
3
13 V (.005 A)
4
10
7.0 V (2 A Max.)
8
6
3.3 V (1A Max.)
5
.018
Pins 5-6
Turns Ratio
(±2%)
1:.444:.25:.111
Pins 1-2:3-4:10-8:5-6
.032
(0.81)
.800
Max.
(20.32)
.138
(3.51)
PCA
EPC3143G
Date Code
.780
(19.80)
.995 Max.
(25.27)
.197
(5.00)
Package
.070
(1.78)
.591
(15.00)
.760
(19.30)
.138
(3.51)
.430
Max.
()
1.035
(26.29)
0.865
(21.97)
.197
(5.00)
Suggested
Pad Layout
.085
(2.16)
.663
(16.84)
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3143G Rev. 1 5/7/03
TEL: [phone]
FAX: [phone]
http://www.pca.com