E L E C T R O N I C S I N C .
Flyback Power Transformer
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
EPC3130-X
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Electrical Parameters @ 25 C
Unless Otherwise Specified Dimensions are in Inches /mm .010 /.25
CSC3130-X Rev. 7 9/27/04 FT
Package
Voltage
(Vdc)
Primary OCL
(H 10%)
273
490
342
466
466
256
@ 10 KHz, 0.1 Vrms
TOP249Y
TOP234Y
TOP247Y
TOP247Y
TOP244Y
Viper 100
Chipset
120-375
120-375
120-375
120-375
120-375
120-395
V in
19
12
35
24
24
24
V out 1
Current
(Amp.)
PCA
Part Number
EPC3130-1
EPC3130-2
EPC3130-3
EPC3130-4
EPC3130-5
EPC3130-6
19
12
35
12
5
24
V out 2
15
15
15
15
15
13
V out 3
1.8
1.9
1.0
2.0
1.0
1.8
Sec. 1
1.8
1.9
1.0
0.1
0.8
1.8
Sec. 2
.05
.05
.05
.05
.05
.05
Sec. 3
Dielectric Rating
(Vrms)
Between Wdg's to Core
1 sec. 4500 or 60 sec. 3750
Pri. to all Sec. Wdg's & Core
1 sec. 4500 or 60 sec. 3750
Between Pri. Wdg & Bias
1 sec. 1500
Schematic
9
10
11
12
1
3
5
6
V in Pri.
Sec. 3
(Fb/Bias)
Sec. 1
Sec. 2
Shield is optional
7
8
Sec. 4
N
N
N
24
N
N
V out 4
N
N
N
.025
N
N
Sec. 4
Note : "N" equals Not Required/No Connection
Used in SMPS Flyback Topology
Designed for use with Power Integration Chip
Reinforced Insulation (Triple Insulated Wire)
UL 94V-0 Recognized Components
UL 1446 Class F Insulation System
Very Low Core Loss
Switching Frequency : 132 KHz Isolation : 4500 Vrms
.200
(5.08)
.051
(1.30)
1.00
(25.40)
Suggested
Layout
12
7
6
1
PCA
EPC3130-X
Date Code
.937
Max.
(23.80)
.138
(3.50)
.031 Sq.
(.800)
1.330 Max.
(33.78)
Pin 1
I.D.
.200
(5.08)
1.00 Typ.
(25.40)
1.320 Typ.
(33.55)
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