EPC3129-1 データシートの表示（PDF） - Unspecified
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EPC3129-1 Datasheet PDF : 1 Pages
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Flyback Power Transformer
ELECTRONICS INC.
EPC3129-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
Chipset
Voltage
(Vdc)
Primary
OCL
(µH ± 10%)
Current
(Amp.)
Schematic
V in
V out V out V out V out @ 10 KHz, Sec. Sec. Sec. Sec.
1
2
3
4
0.1 Vrms
1
2
3
4
EPC3129-1 TOP244Y 120-375
12
N
15
---
876
2.5
N
.05
---
A
EPC3129-2 TOP243P 120-375
5
3.3
15
30
1000
0.9
1.5
.05
.03
B
• Switching Frequency : 132 KHz • Isolation : 4500 Vrms •
Dielectric Rating
(Vrms)
1 sec. 4500 or 60 sec. 3750
Pri. to all Sec. Wdg’s & Core
1 sec. 4500 or 60 sec. 3750
Between Sec. Wdg’s to Core
• Note : “N” means Not Required/No Connections •
1 sec. 1500
Between Pri. Wdg & Bias
Schematic A
Schematic B
1
V in Pri.
3
Sec. 3 4
(Fb/Bias) 5
10
Sec. 1
9
7
Sec. 2
6
1
Pri.
3
Sec. 3 4
(Fb/Bias) 5
10
Sec. 4
9
Sec. 1
7
Sec. 2
6
* Shield is optional
1.130
(28.80)
.138
(3.50)
PCA
EPC3129-X
D.C.
.846
Max.
(21.50)
.197
(5.00)
.028 Sq.
(.700)
Package
1.130
(28.80)
.787
Typ.
(20.00)
.787
(20.00)
Suggested
Layout
.051
(1.30)
.197
(5.00)
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.
CSC3129-X Rev. 1 4/9/03 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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