Surface Mount Power Transformer
E L E C T R O N I C S I N C .
EPC3020G-EPC3027G
Features of the EFD15-6 Series
• Low Loss Material ensures operation in High Frequency
Switching Converters such as Flyback, Buck, Boost
Topology or as Coupled Inductors
• UL1446 Class B Insulating System
• UL 94V-0 Recognized Material
• Very Low Leakage Inductance
Primary Specification
Part
Connection
DCR
Idc
Inductance
(µH 20%)
@ 0 Adc
Inductance
Change
Vt 1
Temp. Rise
@ Idc
Number
(Ω Max.)
(Amps)
(V-µSec. Max.)
@ Idc (Typ.)
(°C Typ.)
Series
Parallel
.083 xNs
.083 /Np
.083
2.6 /Ks
2.6 /Kp
1.8
23.7 x(Ns) 2
28%
28%
6%
62.5 xNs
62.5
20
20
39
24
24
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
EPC3020G
EPC3021G
EPC3022G
EPC3023G
EPC3024G
EPC3025G
EPC3026G
EPC3027G
23.7
Single Wdg
Series
23.7
62.5
.057xNs
.057 /Np
.057
3.6 /Ks
3.6 /Kp
2.17
11.3 x(Ns) 2
11.3
26%
26%
4%
43 xNs
43
Parallel
Single Wdg
Series
11.3
43
.083 xNs
.083 /Np
.083
4.4 /Ks
4.4 /Kp
1.8
12.7 x(Ns) 2
12.7
6.5%
6.5%
0%
62.5 xNs
62.5
Parallel
Single Wdg
Series
12.7
62.5
.057xNs
.057 /Np
.057
5.3 /Ks
5.3 /Kp
2.17
6.1 x(Ns) 2
6.1
3%
43 xNs
43
Parallel
3%
Single Wdg
Series
6.1
0%
43
.083 xNs
.083 /Np
.083
4.4 /Ks
4.4 /Kp
1.8
10.1 x(Ns) 2
10.1
2%
62.5 xNs
62.5
Parallel
2%
Single Wdg
Series
10.1
0%
62.5
2
.057xNs
.057 /Np
.057
5.3 /Ks
5.3 /Kp
2.17
4.9 x(Ns)
4.9
0.5%
0.5%
0%
43 xNs
43
Parallel
Single Wdg
Series
4.9
43
2
.083 xNs
.083 /Np
.083
4.4 /Ks
4.4 /Kp
1.8
7.94 x(Ns)
7.94
0%
62.5 xNs
62.5
Parallel
0%
Single Wdg
Series
7.94
0%
62.5
2
.057xNs
.057 /Np
.057
5.3 /Ks
5.3 /Kp
2.17
3.8 x(Ns)
3.8
0%
43 xNs
43
Parallel
0%
Single Wdg
3.8
0%
43
•
Switching Frequency : Up to 1 MHz • Isolation : 500 Vrms •
Package EFD15-6
Schematic
.028
(.700)
1
4
9
Pin 1
I.D.
.646 Max.
(16.40)
Notes :
1. Ns = Number of series connections
2. Np = Number of parallel connections
3. Ks = Ns x 6/Ns
12
1
6
12
7
.098
2
5
8
4. Kp = 6/Np
.709
PCA
EPC30XXG
D.C.
(2.50)
.492
Max.
(12.50)
11
(18.00)
3
6
7
10
1:1:1:1:1:1
.016
(.400)
.315 Max.
(8.00)
0°-8°
.072
(1.82)
.012
(.300)
.837
(21.25)
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.
CSC3020G-CSC3027G Rev. 2 12/18/02
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA [ PCA ELECTRONICS INC. ]