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
EPC3133-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
CSC3133-X Rev. 3 1/26/05 FT
Package
Voltage
(Vdc)
Primary
OCL
(H 10%)
5100
2100
3670
1660
2800
1800
@ 10 KHz,
0.1 Vrms
TNY253 (44 KHz)
TOP242P (132 KHz)
TNY254 (44KHz)
TNY266P (132 KHz)
TNY267
TNY268 (132 KHz)
Chipset
120-375
120-375
120-375
120-375
120-375
120-375
V in
Pin 1-3
7.5
3.3
12
5
3.3
24
V out
1
Current
(Amp.)
Note : "N" means Not Required/No Connections
PCA
Part
Number
EPC3133-1
EPC3133-2
EPC3133-3
EPC3133-4
EPC3133-5
EPC3133-6
Schematic A
V in Pri.
(Pin 1-3)
Sec. 3
(Fb/Bias)
Schematic B
N
6.2
N
N
N
24
V out
2
N
15
15
N
15
13
V out
3
.173
1.5
.25
1.0
2.0
0.17
Sec.
1
N
0.4
N
N
N
0.17
Sec.
2
N
.05
.05
N
.05
.05
Sec.
3
A
B
A
A
A
A
Schematic
Dielectric Rating
(Vdc)
Between Sec. Wdg's to Core
1 sec. 4500 or 60 sec. 3750
Pri. to all Sec. Wdg's
1 sec. 4500 or 60 sec. 3750
Between Pri. Wdg & Bias
1 sec. 1500 or 60 sec. 1000
6
7
8
9
Sec. 4
Sec. 1
Sec. 2
---
30
---
---
---
---
V out
4
---
.005
---
---
---
---
Sec.
4
.138
(3.50)
.551
(14.00)
.590
(15.00)
.669
(17.00)
.197
(5.00)
.779
(19.80)
.098
(2.50)
.197
(5.00)
.590
Typ.
(15.00)
.587
(14.90)
.157 (4.00)
.025 Sq.
(.640)
.937
(23.80)
.193 (4.90)
.669
Typ.
(17.00)
2
3
4
5
V in Pri.
(Pin 1-3)
Sec. 3
(Fb/Bias)
6
7
8
9
Sec. 1
Sec. 2
1
1
5
6
9
PCA
EPC3133-X
Shield is optional
Pin #2 is not connected in circuit
2
3
4
5
1
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/44 KHz Isolation : 3750 Vrms
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