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EPC3479G Datasheet Preview

EPC3479G Datasheet

Flyback Transformer

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Flyback Transformer
ELECTRONICS INC.
EPC3479G & EPC3479G-LF
Inductance
(µH ± 5%)
@ 100 KHz,
1.0 Vrms
9.0
Pri.
DCR
(mTyp.)
13.5 270
2.4
Pri. Aux. Sec.
• 25W PoE Applications
• Bobbin : UL94V-0 Recognized Materials
• Storage Temperature : -40°C to +125°C
• Operating Temperature : 0°C to +70°C
• Class 130ºC Insulation System
• Duty Cycle : 62% Max.
• Switching Frequency : 250kHz
• Add “-LF” after part for Lead Free
Electrical Parameters @ 25° C
Turns
Ratio
Cw-w
(pF Typ.)
Leakage Inductance
(µH Max.)
@ 100 KHz,
1.0 Vrms
@ 100 KHz,
1.0 Vrms
1:0.25
1:0.75
75
0.300
Pri.:Sec.
Pri.:Aux.
Pri. to Aux. and Sec.
Pri. w/ Aux. and Sec.
shorted
Dielectric Rating
(Vrms)
1500
Wdg. - Wdg.
Wdgs. - Core
Package
1 12
0.830
(21.08)
67
0.440 Max.
(11.18)
0.004
(0.10)
1
Pri.
9V to 57V
2
3
4
Aux.
5
10V (30mA)
6
Schematic
12
11
Sec.
3.3V (7.5A)
8
7
1.128
(28.65)
0.079
(2.01)
0.875
0.028
(22.23)
(0.71)
67
0.150
(3.81)
0.866
(22.0)
0.080
(2.03)
PCB Layout
(Top View)
Component Outline
0.118
(3.00)
0.118
(3.00)
1.20 x 0.840
(30.48 x 21.34)
1 12
Notes :
1. Lead Finish
2. Peak Solder Rating
3. Weight
4. Packaging Information
(Tube)
EPC3479G
SnPb
225°C
12.9 grams
25 pcs / tube
EPC3479G-LF
Hot Tin Dip (Sn) or SnCu
260°C
12.9 grams
25 pcs / tube
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.
CSC3479G & -LF Rev.2 11-02-09 JDG
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com


Part Number EPC3479G
Description Flyback Transformer
Maker PCA Electronics
Total Page 1 Pages
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