E L E C T R O N I C S I N C .
25W Flyback Transformer
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
• Designed to work with Linear Tech. LTC4278
• Bobbin : UL94V-0 Recognized Materials
• Storage Temperature : -40°C to +125°C
• Operating Temperature : -40°C to +85°C
• Class 130ºC Insulation System
• Duty Cycle : 62% Max.
• Switching Frequency : 250kHz
• Add “-LF” after part for Lead Free
EPC3546G & EPC3546G-LF
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Electrical Parameters @ 25° C
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
CSC3546G & -LF Rev. 06-07-12 JDG
Dielectric Rating
(Vrms)
1500
Wdg. - Wdg.
Wdgs. - Core
0.25
Pri. w/ Aux. and Sec.
shorted
Leakage Inductance
(µH Max.)
@ 100 KHz,
1.0 Vrms
Inductance
(µH ± 5%)
@ 100 KHz,
1.0 Vrms
9.5
Pri.
DCR
(mΩ Typ.)
13.5
Pri.
280
Aux.
134
Sec.
1:3.375
Pri.:Sec.
1:0.75
Pri.:Aux.
Turns
Ratio
Notes :
1. Lead Finish
2. Peak Solder Rating
(for wave solder process Only)
3. Weight
4. Packaging Information
(Tube)
EPC3546G
SnPb
225°C
13.5 grams
25 pcs / tube
EPC3546G-LF
Hot Tin Dip (Sn) or SnCu
260°C
13.5 grams
25 pcs / tube
SchematicPackage
0.830
(21.08)
76
1 12
0.028
(0.71)
0.875
(22.23)
0.118
(3.00)
0.866
(22.0)
0.150
(3.81)
0.118
(3.00)
0.080
(2.03)
Component Outline
1.20 x 0.840
(30.48 x 21.34)
PCB Layout
(Top View)
0.440 Max.
(11.18)
1.128
(28.65)
0.079
(2.01)
0.004
(0.10)
6
1
7
12
5
1
6
2
Pri.
9V to 57V
3
8
7
12
11
4
Aux.
10V (30mA)
Sec.
48V (0.5A)
Cw-w
(pF Typ.)
@ 100 KHz,
1.0 Vrms
95
Pri. to Aux. and Sec.