PCA EPC3472G

25W Flyback Transformer
EPC3472G & EPC3472G-LF
ELECTRONICS INC.
• Designed to work with Linear Tech. LTC4278
• 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
Inductance
(µH ± 5%)
@ 100 KHz,
1.0 Vrms
9.0
Pri.
13.5
Pri.
280
2.6
Aux.
Cw-w
(pF Typ.)
Leakage Inductance
(µH Max.)
@ 100 KHz,
1.0 Vrms
@ 100 KHz,
1.0 Vrms
Turns
Ratio
DCR
(mΩ Typ.)
1:0.375
Sec.
Pri.:Sec.
1:0.75
Pri.:Aux.
Dielectric Rating
(Vrms)
87
0.25
1500
Pri. to Aux. and Sec.
Pri. w/ Aux. and Sec.
shorted
Wdg. - Wdg.
Wdgs. - Core
Package
Schematic
1
12
Pri.
9V to 57V
0.830
(21.08)
1
12
2
11
3
Sec.
5V (5A)
4
6
7
0.440 Max.
(11.18)
Aux.
10V (30mA)
5
8
6
7
0.004
(0.10)
1.128
(28.65)
0.079
(2.01)
0.875
(22.23)
6
0.150
(3.81)
0.028
(0.71)
0.866
(22.0)
0.080
(2.03)
7
PCB Layout
(Top View)
0.118
(3.00)
1
Component Outline
1.20 x 0.840
(30.48 x 21.34)
0.118
(3.00)
12
EPC3472G
EPC3472G-LF
1. Lead Finish
SnPb
Hot Tin Dip (Sn) or SnCu
2. Peak Solder Rating
225°C
260°C
13.5 grams
13.5 grams
25 pcs / tube
25 pcs / tube
Notes :
(for wave solder process Only)
3. Weight
4. Packaging Information
(Tube)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3472G & -LF
Rev.4
12-07-09 JDG
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com