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EPC3133-X Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Flyback Power Transformer
Flyback Power Transformer
ELECTRONICS INC.
EPC3133-X
• 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
Electrical Parameters @ 25° C
PCA
Part
Number
EPC3133-1
EPC3133-2
EPC3133-3
EPC3133-4
EPC3133-5
EPC3133-6
Chipset
TNY253 (44 KHz)
TOP242P (132 KHz)
TNY254 (44KHz)
TNY266P (132 KHz)
TNY267
TNY268 (132 KHz)
Voltage
(Vdc)
Primary
OCL
(µH ± 10%)
Current
(Amp.)
V in
V out V out V out V out @ 10 KHz,
Pin 1-3
1
2
3
4
0.1 Vrms
Sec.
1
Sec. Sec.
2
3
120-375 7.5
N
N
---
120-375 3.3
6.2
15
30
120-375 12
N
15
---
120-375 5
N
N
---
120-375 3.3
N
15
---
120-375 24
24
13
---
5100
2100
3670
1660
2800
1800
.173
N
N
1.5 0.4 .05
.25
N .05
1.0
N
N
2.0
N .05
0.17 0.17 .05
• Switching Frequency : 132 KHz/44 KHz • Isolation : 3750 Vrms •
Sec.
4
---
.005
---
---
---
---
Schematic
A
B
A
A
A
A
Dielectric Rating
(Vdc)
1 sec. 4500 or 60 sec. 3750
Pri. to all Sec. Wdg’s
1 sec. 4500 or 60 sec. 3750
Between Sec. Wdg’s to Core
• Note : “N” means Not Required/No Connections •
1 sec. 1500 or 60 sec. 1000
Between Pri. Wdg & Bias
.193 (4.90)
.157 (4.00)
Schematic A
Schematic B
1
V in Pri. 2
(Pin 1-3)
3
Sec. 3 4
(Fb/Bias) 5
.937
(23.80)
1
9
Sec. 1
8
V in Pri.
(Pin 1-3)
2
3
7
Sec. 2
6
Shield is optional
Sec. 3 4
(Fb/Bias) 5
Pin #2 is not connected in circuit
Package
.779
(19.80)
.197
(5.00)
9
Sec. 4
8
Sec. 2
7
Sec. 1
6
.590
(15.00)
.587
(14.90)
PCA
EPC3133-X
9
6
.669
(17.00)
1
5
.669
Typ.
(17.00)
.025 Sq.
(.640)
.098
(2.50)
.590
Typ.
(15.00)
.197
(5.00)
.138
(3.50)
.551
(14.00)
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.
CSC3133-X Rev. 3 1/26/05 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com