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EPC3127-X_15 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Flyback Power Transformer
Flyback Power Transformer
ELECTRONICS INC.
EPC3127-X & EPC3127-X-LF
• Used in SMPS Flyback Topology
• Designed for use with Power Integration Chip
• Reinforced Insulation (Triple Insulated Wire)
• Add “-LF” after part number for Lead-Free
• UL 94V-0 Recognized Components
• UL 1446 Class F Insulation System
• Very Low Core Loss
Electrical Parameters @ 25° C
PCA
Part
Number
{ EPC3127-1(-LF)
EPC3127-2(-LF)
EPC3127-3(-LF)
EPC3127-4(-LF)
Chipset
Voltage
(Vdc)
L Prim.
[Pins 2-1]
(µH ± 10%)
V In
V Out V Out
Fb
@ 10 KHz,
1
2
0.1 Vrms
TNY268P
120-375
5
---
15
TNY266P
120-375
5
---
15
TOP232Y/TOP242Y 120-375
5
3.3
15
TOP244P
120-375 13.55
---
15
TNY267
120-375
3.3
---
15
1900
1900
2400
475
2800
• Switching Frequency : 132 KHz • Isolation : 4500 Vrms •
Dielectric Rating
(Vrms)
1 sec. 4500 or 60 sec. 3750
V In Wdg to all V Out Wdg’s & Core
1 sec. 4500 or 60 sec. 3750
Between V Out Wdg’s to Core
Current
(Adc)
V Out V Out Fb
1
2
3.0
---
.05
2.0
---
.05
2.0
2
.05
1.2
---
.05
2.0
---
.05
Schematic
A
A
B
A
A
1 sec. 1500
Between V In Wdg & Fb Wdg
Notes :
1. Lead Finish
2. Peak Solder Rating
(Wave Solder Only)
3. Weight
4. Packaging Information Tray :
EPC3127-X
SnPb
260°C
10 (+2/-0) seconds
TBD grams
TBD pieces/tray
EPC3127-X-LF
Hot Tin Dip (Sn)
260°C
10 (+2/-0) seconds
TBD grams
TBD pieces/tray
Schematic A
1
V In
2
3
Fb
4
8
V Out 1
7
Schematic B
1
V In
2
3
Fb
4
8
V Out 1
7
6
V Out 2
5
Package
.138
(3.50)
.787
(20.00)
.728
Max.
(18.50)
Pin 1 I.D.
.815
(20.70)
.552
Max.
(14.00)
PCA
EPC3127-X(-LF)
D.C.
.590
Typ.
(15.00)
.031 Ø
(.800)
.063
(1.60)
.590
Typ.
(15.00)
.197
(5.00)
.590
(15.00)
1
8
.197
(5.00)
2
7 .590
3
6 (15.00)
4
5
.051
(1.30)
Component Side
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.
CSC3127-X & -LF Rev. 8 2/22/07 RR
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com