FSCQ-SERIES
2. Transformer Schematic Diagram
EER3540
1
2
3
18
17
16
15
14
13
12
11
10
Np1
N24V
Na
N18V
N125V/2
Np2
Np2
N125V/2
N125V/2
4
5
6
7
8
9
N12V
N24V
N125V/2
Np1
N12V
N a
N18V
3.Winding Specification
No Pin (s→f)
Wire
Turns
32
Winding Method
N
1 - 3
16 - 15
18 - 17
12 - 13
3 - 4
0.5φ × 1
0.5φ × 1
0.4φ × 2
0.5φ × 2
0.5φ × 1
0.5φ × 1
0.4φ × 2
0.3φ × 1
Center Winding
Center Winding
Center Winding
Center Winding
Center Winding
Center Winding
Center Winding
Center Winding
p1
N
32
125V/2
N
24V
N
12V
13
7
N
p2
32
N
15 - 14
11 - 10
7 - 6
32
125V/2
N
10
18V
N
a
20
4.Electrical Characteristics
Pin
Specification
740uH ± 5%
10uH Max
Remarks
Inductance
1 - 3
1 - 3
1kHz, 1V
Leakage Inductance
2
nd all short
5. Core & Bobbin
Core : EER3540
Bobbin : EER3540
Ae : 107 mm2
21
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
